Overview

overview

10

Static

static

10

windowspowershell.exe

windows7-x64

10

windowspowershell.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    windowspowershell.exe

  • Size

    70KB

  • Sample

    240701-gdywda1clk

  • MD5

    a65730c3385f81d9dd1245fd6a7dd8bc

  • SHA1

    bfea51aad8077ffbe0893687c6706449e0204f07

  • SHA256

    f3e91c0e63a38f99af50221e9215315f401d591968c9e76d2d786908a6cccf1b

  • SHA512

    6e0327af881fbc18dc8542835513e502e1575aa4b94ced9b752194eb3d84014b0e8d47e9a44d0dc2d8eac9552b4fab7744ec4a486879d4242bd57a04ab6256c6

  • SSDEEP

    1536:4xr5e+IPIyYGFZabUnYmjLha8qB2nD6T9aZOLTST6:gFE7YWQbUmt2cKOLM6

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

so-presently.gl.at.ply.gg :59751

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      windowspowershell.exe

    • Size

      70KB

    • MD5

      a65730c3385f81d9dd1245fd6a7dd8bc

    • SHA1

      bfea51aad8077ffbe0893687c6706449e0204f07

    • SHA256

      f3e91c0e63a38f99af50221e9215315f401d591968c9e76d2d786908a6cccf1b

    • SHA512

      6e0327af881fbc18dc8542835513e502e1575aa4b94ced9b752194eb3d84014b0e8d47e9a44d0dc2d8eac9552b4fab7744ec4a486879d4242bd57a04ab6256c6

    • SSDEEP

      1536:4xr5e+IPIyYGFZabUnYmjLha8qB2nD6T9aZOLTST6:gFE7YWQbUmt2cKOLM6

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • 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

    • Adds Run key to start application

      persistence

    • 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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks