General

  • Target

    c70afb606221a72c84de5fbd45fec4fd1a20f5660aada89d3d077f6b07b000a3.exe

  • Size

    1.1MB

  • Sample

    241026-c4p9pswkdr

  • MD5

    be6a834da8ecf8227b52d4b70dabc6d4

  • SHA1

    bd6561c114620ebfece9bb582984466521799057

  • SHA256

    c70afb606221a72c84de5fbd45fec4fd1a20f5660aada89d3d077f6b07b000a3

  • SHA512

    6bdcd1d1784b65170ce40308375101a808b0fbbfdb598b0fb6e3c0d76b3094e4aad561a66b5f0dff4c1f771228e10cb5e6fa84d185917c76f75140ec665ea1b0

  • SSDEEP

    12288:5g3nx+EghYzypKIsgz7GRFmgk9iLUxCm9P:2LgSuKIXYFmbFxCwP

Malware Config

Extracted

Family

xworm

Version

5.0

C2

212.162.149.53:7071

Mutex

TY63fKZqa6RHKwzW

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

FOZ

C2

212.162.149.53:2049

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      c70afb606221a72c84de5fbd45fec4fd1a20f5660aada89d3d077f6b07b000a3.exe

    • Size

      1.1MB

    • MD5

      be6a834da8ecf8227b52d4b70dabc6d4

    • SHA1

      bd6561c114620ebfece9bb582984466521799057

    • SHA256

      c70afb606221a72c84de5fbd45fec4fd1a20f5660aada89d3d077f6b07b000a3

    • SHA512

      6bdcd1d1784b65170ce40308375101a808b0fbbfdb598b0fb6e3c0d76b3094e4aad561a66b5f0dff4c1f771228e10cb5e6fa84d185917c76f75140ec665ea1b0

    • SSDEEP

      12288:5g3nx+EghYzypKIsgz7GRFmgk9iLUxCm9P:2LgSuKIXYFmbFxCwP

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • Detect Xworm Payload

    • RedLine

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

    • RedLine payload

    • Redline family

    • UAC bypass

    • Windows security bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks