General

  • Target

    RSG USD17309.exe

  • Size

    822KB

  • Sample

    221129-sg9mtsdf8t

  • MD5

    e619cdd352048c3823ac99bca6698bc2

  • SHA1

    97e4aac514cfffb25a738e2b18443c9d11958970

  • SHA256

    b9f0fee4b618fa2f84768ffe0815a2291798380591724470b52a8939e5d26547

  • SHA512

    5f915fff53dfc62b1e2db5339c176dccf67e9dc5b1096cba0fe7ec208f2d4e53887f6094bb05c92e35b1f57dd4ca737a4bf841fc3cda42afc7f6baba12e8feb4

  • SSDEEP

    12288:mOv4+qQknbPjHmv8rcRAt59Y2PG1rar3vj6cYC67HLTZi5VrRt3c/TCHcJ:0+qbPy9At02PG1ar/2c+7HLUj/3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5700681005:AAF2K-iQMsKRkqCcUgSZLmmugrKJcbb8Xg8/

Targets

    • Target

      RSG USD17309.exe

    • Size

      822KB

    • MD5

      e619cdd352048c3823ac99bca6698bc2

    • SHA1

      97e4aac514cfffb25a738e2b18443c9d11958970

    • SHA256

      b9f0fee4b618fa2f84768ffe0815a2291798380591724470b52a8939e5d26547

    • SHA512

      5f915fff53dfc62b1e2db5339c176dccf67e9dc5b1096cba0fe7ec208f2d4e53887f6094bb05c92e35b1f57dd4ca737a4bf841fc3cda42afc7f6baba12e8feb4

    • SSDEEP

      12288:mOv4+qQknbPjHmv8rcRAt59Y2PG1rar3vj6cYC67HLTZi5VrRt3c/TCHcJ:0+qbPy9At02PG1ar/2c+7HLUj/3

    • AgentTesla

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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks