General

  • Target

    finished.exe

  • Size

    11.4MB

  • Sample

    240523-v739vaag4s

  • MD5

    e26d5747c9b0a6f9c45e8b720b356cd0

  • SHA1

    4978f157cf943ad47ce63a4028a5c0419cd61fae

  • SHA256

    6ced8dbb0a2a2839e41d540c041d0146cb66327174aaa19cbd4eebfb8b306a0b

  • SHA512

    b41d3528f8bba081864b1290c02252e68108bc3dc195921dd0e89fe2d1d700c11e056562cac8f1c4ccddf1db33a49f8e804ec9278b6555a8417003a3eb875a49

  • SSDEEP

    196608:WojZ9Dxm6UDwH/IxTWxQBxv5gK8NmjeR+SHcW2qfhiX79/+PODgXaWggH/:Work6UDwgYx8V53Rc+SHcW2wiZKXx

Malware Config

Extracted

Family

xworm

C2

engine-romania.gl.at.ply.gg:37581

Attributes
  • Install_directory

    %AppData%

  • install_file

    discord.exe

Targets

    • Target

      finished.exe

    • Size

      11.4MB

    • MD5

      e26d5747c9b0a6f9c45e8b720b356cd0

    • SHA1

      4978f157cf943ad47ce63a4028a5c0419cd61fae

    • SHA256

      6ced8dbb0a2a2839e41d540c041d0146cb66327174aaa19cbd4eebfb8b306a0b

    • SHA512

      b41d3528f8bba081864b1290c02252e68108bc3dc195921dd0e89fe2d1d700c11e056562cac8f1c4ccddf1db33a49f8e804ec9278b6555a8417003a3eb875a49

    • SSDEEP

      196608:WojZ9Dxm6UDwH/IxTWxQBxv5gK8NmjeR+SHcW2qfhiX79/+PODgXaWggH/:Work6UDwgYx8V53Rc+SHcW2wiZKXx

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Drops file in Drivers directory

    • Stops running service(s)

    • 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

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

7
T1082

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks