General

  • Target

    SCS AWB and Commercial Invoice.exe

  • Size

    612KB

  • Sample

    250204-q86zxaxqgw

  • MD5

    90d3693237ab538a39b44e399e96b668

  • SHA1

    d8a59dc7a9d4d8c6f4f0c9a86219746b00a3bbd7

  • SHA256

    777f42b7f48939008d57d46ff443a292669fbfdbba5c566090448b49fd5a79a3

  • SHA512

    0d158bd0b2bdebf3ebc5601edad03af8bc6f87a77f222a4db13cd4cbe817537ff33d8f02c2e973bd3c44d6dfd42f6c1ab9d16b80cf124cfae745ce08d19b7ad8

  • SSDEEP

    12288:Uvd17c3wecl9Z2Cjex7uQN2oQ1eSTu6/V9mdol:gb7c3weEGn2oqqWV9mdg

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

TZcnTcBHbLCXf1ef

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      SCS AWB and Commercial Invoice.exe

    • Size

      612KB

    • MD5

      90d3693237ab538a39b44e399e96b668

    • SHA1

      d8a59dc7a9d4d8c6f4f0c9a86219746b00a3bbd7

    • SHA256

      777f42b7f48939008d57d46ff443a292669fbfdbba5c566090448b49fd5a79a3

    • SHA512

      0d158bd0b2bdebf3ebc5601edad03af8bc6f87a77f222a4db13cd4cbe817537ff33d8f02c2e973bd3c44d6dfd42f6c1ab9d16b80cf124cfae745ce08d19b7ad8

    • SSDEEP

      12288:Uvd17c3wecl9Z2Cjex7uQN2oQ1eSTu6/V9mdol:gb7c3weEGn2oqqWV9mdg

    • Detect Xworm Payload

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Snakekeylogger family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • 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 local email clients

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks