Recently, a simple and short email with a suspicious RTF attachment that had been sent to a telecommunications agency in South Asia caught the attention of FortiGuard Labs. The email was disguised as having come from a Pakistan government division and delivered the PivNoxy malware.

Affected Platforms: WindowsImpacted Parties: Windows usersImpact: Controls victim’s machine and collects sensitive informationSeverity Level: Medium

This blog describes how the attack works, suggests who the threat actor behind the operation might be, and details the techniques used by the attacker.…

Read More

On Saturday, August 13th, Checkmarx’s Software Supply Chain Security Typosquatting engine detected a large-scale attack on the Python ecosystem with multi-stage persistent malware.

The PyPi user account devfather777 published a dozen malicious Typosquatting packages under the names of popular projects with slight permutation

All of those malicious packages contained a code executed upon installation which download and execute a windows executable hosted on GitHub under the user account jagermager999 repository jagermager999/8746465cdg78cdsxasy8a

On Sunday, August 14th, the attacker added configuration to launch DDOS attack against CS1.6 server

All of the findings were reported to the security teams of PyPi and GitHub

Attack Vector — Typosquatting

Typosquatting is technique attackers use many times to deliver malware to innocent victims as seen before.…

Read More
Background

Over the last year Mandiant has been tracking UNC3890, a cluster of activity targeting Israeli shipping, government, energy and healthcare organizations via social engineering lures and a potential watering hole. Mandiant assesses with moderate confidence this actor is linked to Iran, which is notable given the strong focus on shipping and the ongoing naval conflict between Iran and Israel.…

Read More
New stealer developing Crypto Miner capabilities

During a routine threat hunting exercise, Cyble Research Labs (CRL) came across a Twitter post wherein researchers mentioned a URL that hosts a Windows executable payload with the name systemupdate.exe. The researcher in the Twitter post claims this Windows executable is a variant of Typhon stealer malware delivered via a crafted .lnk…

Read More

We found APT group Iron Tiger’s malware compromising chat application Mimi’s servers in a supply chain attack.

We noticed a server hosting both a HyperBro sample and a malicious Mach-O executable named “rshell.” HyperBro is a malware family used by Iron Tiger (also known as Emissary Panda, APT27, Bronze Union, and Luckymouse), an advanced persistent threat (APT) group that has been performing cyberespionage for almost a decade, and there have been no reports of this group associated with a tool for Mac operating systems (OS).…

Read More

This post is also available in: 日本語 (Japanese)

Executive Summary

Beginning in early May 2022, Unit 42 observed a threat actor deploying Cuba Ransomware using novel tools and techniques. Using our naming schema, Unit 42 tracks the threat actor as Tropical Scorpius.

Here, we start with an overview of the ransomware and focus on an evolution of behavior observed leading up to deployment of Cuba Ransomware.…

Read More
Introduction

In April 2022, PT Expert Security Center detected an attack on a number of Russian media and energy companies that used a malicious document called «list.docx» to extract a malicious payload packed with VMProtect. Having analyzed the network packet, we found it to be identical to the one we studied in our report on APT31 tools, suggesting that these may belong to one and the same group.…

Read More

For each discovered drive, ROADSWEEP will initialize a new thread which is responsible for encrypting all files within that drive. This thread enumerates the file system using the Windows FindFirstFileW and FindNextFileW APIs. For each root directory, a ransomware note is created with the content and filename noted above.…

Read More

By Securonix Threat Labs, Threat Research: D. Iuzvyk, T. Peck, O. Kolesnikov

Last Updated: July 20, 2022

Introduction

The Securonix Threat Research (STR) team has been observing and investigating a new attack campaign exploiting high-value targets, including Czech Republic, Poland, and other countries. The attack campaign has been tracked by STR as STIFF#BIZON.…

Read More

By Jim Walter & Aleksandar Milenkoski

LockBit 3.0 ransomware (aka LockBit Black) is an evolution of the prolific LockBit ransomware-as-a-service (RaaS) family, which has roots that extend back to BlackMatter and related entities. After critical bugs were discovered in LockBit 2.0 in March 2022, the authors began work on updating their encryption routines and adding several new features designed to thwart researchers.…

Read More

In April 2022, ESET researchers discovered a previously unknown macOS backdoor that spies on users of the compromised Mac and exclusively uses public cloud storage services to communicate back and forth with its operators. Following analysis, we named it CloudMensis. Its capabilities clearly show that the intent of its operators is to gather information from the victims’ Macs by exfiltrating documents, keystrokes, and screen captures.…

Read More

Published On : 2022-07-13

NukeSped RAT Report

Suspected Malware: NukeSped MalwareFunction: RATRisk Score: 8Confidence Level: HighThreat actor Associations: Lazarus Group (North Korea)

Executive Summary:

The NukeSped malware is a remote access trojan (RAT) and has been attributed to the threat actor Lazarus Group. The group has been active since 2009 and remain active in 2022 and continue its operation to target countries mainly in Asia Pacific Region.…

Read More

Over the last month a crimeware group best known as 8220 Gang has expanded their botnet to roughly 30,000 hosts globally through the use of Linux and common cloud application vulnerabilities and poorly secured configurations. In a recent campaign, the group was observed making use of a new version of the IRC botnet, PwnRig cryptocurrency miner, and its generic infection script.…

Read More