Overview

overview

10

Static

static

10

fix.exe

windows7-x64

10

fix.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fix.exe

  • Size

    35KB

  • Sample

    240701-qjyl8stdna

  • MD5

    83bbe29b99a54bad48074efb72ce1fcc

  • SHA1

    421deeba13130a8eebacc8c7f48f28e6fe8485f2

  • SHA256

    99bf031f23b1759702a56ccfc9425f0a063654dcc4a94d8feeb89792c82f3082

  • SHA512

    67fe2ac907c297cd3c4d1af7f80257b468bc4e73cab428568ea1238d41cd8c43262765a0b0d43b2accb003901a66e9e7ec162fefda2fd89040697e1e168ac27f

  • SSDEEP

    768:ChiLce92aOrsQiUy5FyS9ZL6LOjhibold:ChkceWsQi5FT9ZL6LOjGo7

Score
10/10
44caliberxwormexecutionpersistenceratstealertrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

20.ip.gl.ply.gg:53765

Mutex

JCfj6Aifpywc6Ul9

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/1257280785476489217/L0UpV_ifGB55FAhZrd11A9RdK3XS9SxV4y_plmFbDZcUnmaJOTP9fgCIl4fpiKvDuv1o

Targets

    • Target

      fix.exe

    • Size

      35KB

    • MD5

      83bbe29b99a54bad48074efb72ce1fcc

    • SHA1

      421deeba13130a8eebacc8c7f48f28e6fe8485f2

    • SHA256

      99bf031f23b1759702a56ccfc9425f0a063654dcc4a94d8feeb89792c82f3082

    • SHA512

      67fe2ac907c297cd3c4d1af7f80257b468bc4e73cab428568ea1238d41cd8c43262765a0b0d43b2accb003901a66e9e7ec162fefda2fd89040697e1e168ac27f

    • SSDEEP

      768:ChiLce92aOrsQiUy5FyS9ZL6LOjhibold:ChkceWsQi5FT9ZL6LOjGo7

    Score
    10/10
    44caliberxwormexecutionpersistenceratstealertrojan

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • 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.

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks