Overview

overview

10

Static

static

1

esigned-do...ml.bat

windows7-x64

8

esigned-do...ml.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    esigned-document_eml.bat

  • Size

    2KB

  • Sample

    250102-q65ztsxjhq

  • MD5

    a0d37228b4ad0ebea6537b99cbcb7ff0

  • SHA1

    cec0438ed7acde6a177bc220df2d4fa94352e539

  • SHA256

    e85d8640a62e0d223fe9892384eecb8bb9e67d4bf2fc020881058506b33bec30

  • SHA512

    a4fda2b2adbe591bbfb44fb0949becf75349f5255f197008727486f15e0cc18fcdbce6c1d3ba16e65a5e32a5d8ffc857cfa75402975eafedf4c11524d4f1f9ea

Score
10/10
strratadwarediscoveryexecutionpersistenceprivilege_escalationstealertrojan

Malware Config

Targets

    • Target

      esigned-document_eml.bat

    • Size

      2KB

    • MD5

      a0d37228b4ad0ebea6537b99cbcb7ff0

    • SHA1

      cec0438ed7acde6a177bc220df2d4fa94352e539

    • SHA256

      e85d8640a62e0d223fe9892384eecb8bb9e67d4bf2fc020881058506b33bec30

    • SHA512

      a4fda2b2adbe591bbfb44fb0949becf75349f5255f197008727486f15e0cc18fcdbce6c1d3ba16e65a5e32a5d8ffc857cfa75402975eafedf4c11524d4f1f9ea

    Score
    10/10
    discoveryexecutionstrratadwarepersistenceprivilege_escalationstealertrojan

    • STRRAT

      STRRAT is a remote access tool than can steal credentials and log keystrokes.

      trojanstealerstrrat

    • Strrat family

      strrat

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution

    • Downloads MZ/PE file

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
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

Browser Extensions

1
T1176

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

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

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks