General

  • Target

    new.bat

  • Size

    53KB

  • Sample

    240730-y3p37swgrm

  • MD5

    902f4ecd4c40073cd9c8d5448075fa37

  • SHA1

    5a91f98c5215ee6375dc6288f484ae370b289db3

  • SHA256

    d13cd401cd3e151ecc1ddaba54245fbaadb91e76614f0ec7b203522a7fee8baf

  • SHA512

    8c123b647a516a057a817173012f5632242ba0676d11ac61509d6cea876c366486d3059c0ba20b78de94a4bf5ea22a3a72b9ca81c14d0fb0effaabef1b2adfc3

  • SSDEEP

    768:Bc6tDHus93xf8AeF07J28B7cyqr1fAGz7UqrBkhyuRlPrV0rohyOSeEIcNlYiLt0:vtxwVtb1FNFhV6VO/DOvRMpSYG

Malware Config

Extracted

Family

xworm

Version

5.0

C2

157.20.182.172:7000

157.20.182.172:8000

Mutex

iHRgIbaS0FTMce5d

Attributes
  • install_file

    USB.exe

aes.plain
aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

45.66.231.150:3232

157.20.182.172:3232

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain
aes.plain

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

nlthbmfyadihv

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/zNe6NH5y

aes.plain

Targets

    • Target

      new.bat

    • Size

      53KB

    • MD5

      902f4ecd4c40073cd9c8d5448075fa37

    • SHA1

      5a91f98c5215ee6375dc6288f484ae370b289db3

    • SHA256

      d13cd401cd3e151ecc1ddaba54245fbaadb91e76614f0ec7b203522a7fee8baf

    • SHA512

      8c123b647a516a057a817173012f5632242ba0676d11ac61509d6cea876c366486d3059c0ba20b78de94a4bf5ea22a3a72b9ca81c14d0fb0effaabef1b2adfc3

    • SSDEEP

      768:Bc6tDHus93xf8AeF07J28B7cyqr1fAGz7UqrBkhyuRlPrV0rohyOSeEIcNlYiLt0:vtxwVtb1FNFhV6VO/DOvRMpSYG

    • AsyncRat

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

    • Detect Xworm Payload

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks