General

  • Target

    updated SOA.pdf.exe

  • Size

    705KB

  • Sample

    230329-hrha8agg8s

  • MD5

    72b566a19405295457438c5373f2e91c

  • SHA1

    bc3ea0e5fb136dfc33d7442fd191439501b55303

  • SHA256

    0543d3e6b17798c68a8f2442b5d2bc1a2407dbdabd0c82ba7c8ddcde3488f662

  • SHA512

    9e241b12f6d2b08450966ec9162e0a241d71469a2527d2dcc65e04b47c5772f3136dbb2a1482413bddd0a022f9155e5cef7a1c48aa8fb4d7a620c5f5d23a8c87

  • SSDEEP

    12288:nzveLTgNGSD7QK8oX97/kBPB/SyXEROFIA/DLRPbnf7+mWc1:ze/MMZU9Tu5qydFN9Tf7+Jc

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/

Targets

    • Target

      updated SOA.pdf.exe

    • Size

      705KB

    • MD5

      72b566a19405295457438c5373f2e91c

    • SHA1

      bc3ea0e5fb136dfc33d7442fd191439501b55303

    • SHA256

      0543d3e6b17798c68a8f2442b5d2bc1a2407dbdabd0c82ba7c8ddcde3488f662

    • SHA512

      9e241b12f6d2b08450966ec9162e0a241d71469a2527d2dcc65e04b47c5772f3136dbb2a1482413bddd0a022f9155e5cef7a1c48aa8fb4d7a620c5f5d23a8c87

    • SSDEEP

      12288:nzveLTgNGSD7QK8oX97/kBPB/SyXEROFIA/DLRPbnf7+mWc1:ze/MMZU9Tu5qydFN9Tf7+Jc

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks