General

  • Target

    order confirmation.rar

  • Size

    523KB

  • Sample

    220930-rnewcsdgf2

  • MD5

    effc25ad839736afe9c834a4e038d7c8

  • SHA1

    3fded3001d66c1a45644f5ed2995cc53d637dea8

  • SHA256

    8fb54e1438db82aebe87c4876a03f6855188fe1334dddc5bc1c6dcfb20239a22

  • SHA512

    4cce77a0d5aae28023c67dcc236e1f5c37759711f08ec04e941d7903d52632e1fa4985f9b8dec4eb7bbf6d781007ecdf199cae518e426f8906d392ffd7dd98ec

  • SSDEEP

    12288:jIZP3FXuO3KG95sDoEZQ60vqkATCVv2IHqoA9gUgKX8n7DwV:cZNuO3KssjmvDATCV5LNK+7MV

Malware Config

Extracted

Family

agenttesla

C2

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

Targets

    • Target

      order confirmation.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