Resubmissions

22-09-2022 18:09

220922-wrr3bacbc5 10

21-09-2022 18:54

220921-xj9g3aghe3 10

General

  • Target

    Curr¡culum Vitae Rita.exe

  • Size

    1.0MB

  • Sample

    220921-xj9g3aghe3

  • MD5

    ec74c708001090117278d032f8342453

  • SHA1

    f34edd03b9072dff0cbc4bfbeff2c18b98a6933e

  • SHA256

    720d90ad498171d943399e010d4aa16cc65f69bbff6f042d6b364813cfd168bb

  • SHA512

    1c7a867bd4b29ac7f83b9a406e979bc3715561dfd4d65c4378a6d7c17c96745a915f1e7e4aee8de2a2b35dca0a2c7a2c1c7ed0d6e278d30377a21cde717fcbd4

  • SSDEEP

    12288:DBluwyS7oLFMrfbIT7TNIOEbRbNmu3ROUKCeKowyaqfpPWla:tlFEFMrEHpIdbcqRnKDKo1pP+a

Malware Config

Extracted

Family

agenttesla

C2

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

Targets

    • Target

      Curr¡culum Vitae Rita.exe

    • Size

      1.0MB

    • MD5

      ec74c708001090117278d032f8342453

    • SHA1

      f34edd03b9072dff0cbc4bfbeff2c18b98a6933e

    • SHA256

      720d90ad498171d943399e010d4aa16cc65f69bbff6f042d6b364813cfd168bb

    • SHA512

      1c7a867bd4b29ac7f83b9a406e979bc3715561dfd4d65c4378a6d7c17c96745a915f1e7e4aee8de2a2b35dca0a2c7a2c1c7ed0d6e278d30377a21cde717fcbd4

    • SSDEEP

      12288:DBluwyS7oLFMrfbIT7TNIOEbRbNmu3ROUKCeKowyaqfpPWla:tlFEFMrEHpIdbcqRnKDKo1pP+a

    • 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