General

  • Target

    AWB DHL 7214306201 Shipment_pdf.exe

  • Size

    485KB

  • Sample

    230328-wbqjjscc86

  • MD5

    aecb508586356ab8ea6bf6ce6cc964f4

  • SHA1

    a9b192e515b1b4d396d8c6cb00565dd71af3ed4a

  • SHA256

    145ac60ec975bb0a649e3b056fba500a2877dad80ee5453c947413c7d5218caa

  • SHA512

    6513d11154d048eacca468ace53e6eca9a01a84116ff56f1d3b44cfc0644ac48f17e36c8a4c8baa8eb2a7d2c353fb6acb05c969c1d69598ef566090a38f8640a

  • SSDEEP

    12288:sK3FTyoJ43erqBTIDkh0eTR46bTXEYCkjX2w4vU1upOQAW:UsaBBTRh04RJELkjXAcAs/W

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5409839916:AAEYUYZy0IhJQAm4VXi620si4okGW8FDL2w/

Targets

    • Target

      AWB DHL 7214306201 Shipment_pdf.exe

    • Size

      485KB

    • MD5

      aecb508586356ab8ea6bf6ce6cc964f4

    • SHA1

      a9b192e515b1b4d396d8c6cb00565dd71af3ed4a

    • SHA256

      145ac60ec975bb0a649e3b056fba500a2877dad80ee5453c947413c7d5218caa

    • SHA512

      6513d11154d048eacca468ace53e6eca9a01a84116ff56f1d3b44cfc0644ac48f17e36c8a4c8baa8eb2a7d2c353fb6acb05c969c1d69598ef566090a38f8640a

    • SSDEEP

      12288:sK3FTyoJ43erqBTIDkh0eTR46bTXEYCkjX2w4vU1upOQAW:UsaBBTRh04RJELkjXAcAs/W

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Tasks