General

  • Target
    SETUP.zip
  • Size 24.4MB
  • Sample261031-2243hs1tbs
  • SHA256 30e6f65380198bd4d49227d780f19a01d297aa8ed7ae643167e490f5e7b8fca5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • acrstealer

Version
  • 4.5.3-alpha1

C2
  • cachefly.net

  • data.wickenhollow.cc

Attributes
  • guids

    f1575b64-8492-4e8b-b102-4d26e8c70371

    01a03549-2b37-7674-afe7-d0ce54b13db8

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36

xor.hex

Extracted

Family
  • acrstealer

xor.hex

Targets

    • Target
      Setup.exe
    • Size 94KB
    • SHA256 8c1b9b8e72264e27253a7cc14d6f9a560a127ebd9f8bcec81faba94710c19a47
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects SectopRAT aka Arechclient2

    • Family: ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

    • Family: SectopRAT

      SectopRAT also known as Arechclient2 is a remote access trojan first seen in November 2019.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Registers new Windows logon scripts automatically executed at logon.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks