Overview

overview

10

Static

static

10

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

  • Size

    40KB

  • Sample

    240523-tgb71agf34

  • MD5

    e5cb8c66cab6a972529a85480b9881bc

  • SHA1

    58eb0e24f0eb4865838d307df886d2b40bfb77cd

  • SHA256

    69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

  • SHA512

    6c049e084e00eea72b3b78480fb79879c8c961d188178b3c59211bbc69ab25deaf88453dc1f4ec23c08ee80e452a453464780193e849121f2f625f96f0dd26f3

  • SSDEEP

    768:uNfPMSk3K/EzTb/0x8WuFZ4lJF5PC9O9EB68OMh63/aO:uf05a/CTjM89UFc9UEB68OMsx

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.141.26.119:1996

Mutex

wHK5NlknpAL3Lk1X

Attributes
  • Install_directory

    %AppData%

  • install_file

    csrss.exe

aes.plain

Targets

    • Target

      69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

    • Size

      40KB

    • MD5

      e5cb8c66cab6a972529a85480b9881bc

    • SHA1

      58eb0e24f0eb4865838d307df886d2b40bfb77cd

    • SHA256

      69b4f3e7db53a18e1352367ecbf25dba0b86e96af655e6127db1b1205a181f63

    • SHA512

      6c049e084e00eea72b3b78480fb79879c8c961d188178b3c59211bbc69ab25deaf88453dc1f4ec23c08ee80e452a453464780193e849121f2f625f96f0dd26f3

    • SSDEEP

      768:uNfPMSk3K/EzTb/0x8WuFZ4lJF5PC9O9EB68OMh63/aO:uf05a/CTjM89UFc9UEB68OMsx

    Score
    10/10
    xwormexecutionrattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks