Resubmissions

25-01-2025 16:46

250125-vacevstjbk 10

General

  • Target

    XClient.exe

  • Size

    61KB

  • Sample

    250125-vacevstjbk

  • MD5

    1f2d7a5deda5d3d47b028f3e0820bd84

  • SHA1

    d73ae116a5eed7a7fadbff2b046336cc5e21b28f

  • SHA256

    f6df5e6ed88075cec7dfce8897314885d038e92b359edb0a2cc172b7f86749f7

  • SHA512

    9c9b02585fb24807fe830982009b89180226dde459b1e72a8fa78dc5b77052c5f203325eb9be3298fc376c9f0a0b43cbcbfc63ef57d493498b6b4966a3476cd6

  • SSDEEP

    1536:7YNqBkIQDjzm1G4nCPx5LTnBjkbvtN1TPe4WmjV6FYO7v/ah:7Yc0zm1GOCPzLrBjkbvnKwO7nI

Malware Config

Extracted

Family

xworm

C2

sponef159-35748.portmap.host:35748

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot7508868671:AAG6XIOhz39IrQIUnjub1TKVOVZHfdjpsvM/sendMessage?chat_id=6094400048

Targets

    • Target

      XClient.exe

    • Size

      61KB

    • MD5

      1f2d7a5deda5d3d47b028f3e0820bd84

    • SHA1

      d73ae116a5eed7a7fadbff2b046336cc5e21b28f

    • SHA256

      f6df5e6ed88075cec7dfce8897314885d038e92b359edb0a2cc172b7f86749f7

    • SHA512

      9c9b02585fb24807fe830982009b89180226dde459b1e72a8fa78dc5b77052c5f203325eb9be3298fc376c9f0a0b43cbcbfc63ef57d493498b6b4966a3476cd6

    • SSDEEP

      1536:7YNqBkIQDjzm1G4nCPx5LTnBjkbvtN1TPe4WmjV6FYO7v/ah:7Yc0zm1GOCPzLrBjkbvnKwO7nI

    • Detect Xworm Payload

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks