General

  • Target

    PO#88224.rar

  • Size

    523KB

  • Sample

    220930-rl9mysefgj

  • MD5

    f1e18bae2646e85cbc5c78d0005c34be

  • SHA1

    f44b3f73b685c0840e388c79c1b8220bce8d5093

  • SHA256

    7e7fc6b71ce7f7dccba128722e4f32004a854253a736368dac4272584fedcc6d

  • SHA512

    a0cf52daed013ba31fc940f707ae7d98b9c783555b7e2ad9d67051278758b75628cd2790dbbb58b7edb8946da1b8426f59e33dc78d86939ffb443017f88739f3

  • SSDEEP

    12288:8IZP3FXuO3KG95sDoEZQ60vqkATCVv2IHqoA9gUgKX8n7Dwy:RZNuO3KssjmvDATCV5LNK+7My

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/

Targets

    • Target

      PO#88224.exe

    • Size

      781KB

    • MD5

      05963cbe736805e0168a5fb3d6e6ae6b

    • SHA1

      14dd852164396f3e05b6b3469263c497851f6f0c

    • SHA256

      61b7c784665ee5e76aec4437bfcf67378d075f26fbb3a0dcabce328b3778a8be

    • SHA512

      51b9207c2ccf5a6931660c623ed18a97c8a12ba0758ae891f54825114c0aa8a05ce70af42bcf8108e4835f7356e6a08d4b547d30a621cfcfb7d67ff38294fac0

    • SSDEEP

      12288:qdxsEH/ARUwqxwZNVls4QM8tOqO5c1UADqjJ5nl0+9MK:qwEoMYNbsKbc0jrZe

    • 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