Overview

overview

10

Static

static

10

1c1d169d67...a4.exe

windows7-x64

10

1c1d169d67...a4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1c1d169d6719f3c05e3ea0e8c91d26b53524588b8ffcc64b273eeec359eb51a4

  • Size

    56KB

  • Sample

    240614-x2kxeswgpk

  • MD5

    f68cad23c9bc135471958c4a3d4d8fa9

  • SHA1

    c5194b77d6fa5e9e87ec138be44384531dc7e076

  • SHA256

    1c1d169d6719f3c05e3ea0e8c91d26b53524588b8ffcc64b273eeec359eb51a4

  • SHA512

    72b34dbac8c3bbfa3156059a1e48fd81e6683a367b01de972153472aadcfcba513a60d8dab4af06f8bc35d96421734f6d981e72a9d6192b08049272582b8db1a

  • SSDEEP

    1536:VHxjJE4u4y96411QQh0Shu/bNgl4e6Axk0MrOYgpM:VRjJM910b/bNgmwxkPrOYg6

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    $77svchost.exe

  • telegram

    https://api.telegram.org/bot6094198209:AAGtbuJi6hBqVBpkxn3UzVsVOtCJjMn1cjE

Targets

    • Target

      1c1d169d6719f3c05e3ea0e8c91d26b53524588b8ffcc64b273eeec359eb51a4

    • Size

      56KB

    • MD5

      f68cad23c9bc135471958c4a3d4d8fa9

    • SHA1

      c5194b77d6fa5e9e87ec138be44384531dc7e076

    • SHA256

      1c1d169d6719f3c05e3ea0e8c91d26b53524588b8ffcc64b273eeec359eb51a4

    • SHA512

      72b34dbac8c3bbfa3156059a1e48fd81e6683a367b01de972153472aadcfcba513a60d8dab4af06f8bc35d96421734f6d981e72a9d6192b08049272582b8db1a

    • SSDEEP

      1536:VHxjJE4u4y96411QQh0Shu/bNgl4e6Axk0MrOYgpM:VRjJM910b/bNgmwxkPrOYg6

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables using Telegram Chat Bot

    • 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

    • Executes dropped EXE

    • 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

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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