General

  • Target
    ยซ๐šˆ๐šž๐š›๐šœ๐™ต๐š’๐š•๐šŽ๐š๐šŽ๐šŠ๐š๐šข๐™ณ0๐š†๐™ฝ๐š•ร–๐šŠ๐šยซยซ4405ยปยป_ยป.7z
  • Size 8.7MB
  • Sample251108-ppf4psypbp
  • SHA256 4ae7549d216931a6414b8427bbd8ed2e2e79d3a61ba5cda8e2e0006e7cd6002c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\com_adv_foundation_dbg

  • inject_dll

    %windir%\SysWOW64\rasapi32.dll

xor.hex

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://87.120.219.26/CCZT7wMNnD29ie

Extracted

Family
  • acrstealer

Attributes
  • ddrs

    crl4.digicert.com

Extracted

Family
  • amadey

Version
  • 5.70

Botnet
  • 2265ca

C2
  • http://mi.huffproofs.com

Attributes
  • install_dir

    3be1510d5b

  • install_file

    Pwvoqdmgn.exe

  • strings_key

    13416e8592239dcfe754c2affc83cb4f

  • url_paths

    /kaWt2QXfpPueNM/index.php

rc4.plain

Targets

    • Target
      Setup.exe
    • Size 1.7MB
    • SHA256 9155314a52c72e0b5c43e6eb061b212b5c2f827ce61130e1675f02c6aa0bef3a
    • MD5 SHA1 SHA512 SSDEEP
    • ACR stealer,GrMsk

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

    • Acrstealer family

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detects Amadey x86-bit Payload

    • Detects unpacked ACRstealer payload

    • Badlisted process makes network request

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

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks