General

  • Target

    f0033f3778e39a3be78d3938a73c5e02301a85d138e2e.exe

  • Size

    47KB

  • Sample

    240821-fnjc1avcln

  • MD5

    27058f6c310e29963251df57e752456a

  • SHA1

    747b0923209199b7e430e1a6896e9304eae02707

  • SHA256

    f0033f3778e39a3be78d3938a73c5e02301a85d138e2e4e3ec41be55996ceaa6

  • SHA512

    d6a9317d28580ada68c927bb7d0aa69a91e5868bdfa6dfb79f37fe9284e55ff35a96b10b69a2d342d5b8a5cb6019e31e17643460458e0f070084918266148eb2

  • SSDEEP

    768:MuwpFTAY3IQWUe9jqmo2qLvJ/wzHGb4rQPIapEreM0brbS1rWFspBZz4w114G9eB:MuwpFTA4/2sGzrVapfbvSNWFybsw19Ns

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

176.111.174.140:6606

176.111.174.140:7707

176.111.174.140:8808

Mutex

Hp6kvaq9BCyI

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

redline

Botnet

diamotrix

C2

176.111.174.140:1912

Targets

    • Target

      f0033f3778e39a3be78d3938a73c5e02301a85d138e2e.exe

    • Size

      47KB

    • MD5

      27058f6c310e29963251df57e752456a

    • SHA1

      747b0923209199b7e430e1a6896e9304eae02707

    • SHA256

      f0033f3778e39a3be78d3938a73c5e02301a85d138e2e4e3ec41be55996ceaa6

    • SHA512

      d6a9317d28580ada68c927bb7d0aa69a91e5868bdfa6dfb79f37fe9284e55ff35a96b10b69a2d342d5b8a5cb6019e31e17643460458e0f070084918266148eb2

    • SSDEEP

      768:MuwpFTAY3IQWUe9jqmo2qLvJ/wzHGb4rQPIapEreM0brbS1rWFspBZz4w114G9eB:MuwpFTA4/2sGzrVapfbvSNWFybsw19Ns

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks