General

  • Target

    024329b091275921183104901dd986ef_JaffaCakes118

  • Size

    308KB

  • Sample

    240328-lksp6ahe51

  • MD5

    024329b091275921183104901dd986ef

  • SHA1

    6cd4de1da31572dd9e30c991cb4dfc68dff4e291

  • SHA256

    c84323551b8814bcdf1b176cc38f197a00025817e93f6c8aefaa7ab180187cde

  • SHA512

    80a7e37a242dba50ceadd9b8b46d2fb38c7eaf408a7175f8752698b1e08ac982ad841125198c53d0e0b8dd502b10183e56eeb3709e75181082071089c44d53fe

  • SSDEEP

    6144:F8LxBsxzFUP5VmgKag/0FrOKWh+beUFDC1WbazwBnNDL6f22cc:/VF+KpOKhFUFDt2ghcR

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot2006818448:AAEbXxhowuXbSCsvvlr5pUkJzFhgKnfWtso/sendDocument

Targets

    • Target

      024329b091275921183104901dd986ef_JaffaCakes118

    • Size

      308KB

    • MD5

      024329b091275921183104901dd986ef

    • SHA1

      6cd4de1da31572dd9e30c991cb4dfc68dff4e291

    • SHA256

      c84323551b8814bcdf1b176cc38f197a00025817e93f6c8aefaa7ab180187cde

    • SHA512

      80a7e37a242dba50ceadd9b8b46d2fb38c7eaf408a7175f8752698b1e08ac982ad841125198c53d0e0b8dd502b10183e56eeb3709e75181082071089c44d53fe

    • SSDEEP

      6144:F8LxBsxzFUP5VmgKag/0FrOKWh+beUFDC1WbazwBnNDL6f22cc:/VF+KpOKhFUFDt2ghcR

    • AgentTesla

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

    • AgentTesla payload

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/wwovt.dll

    • Size

      30KB

    • MD5

      3db889c292904a3fcefaaea76ca6dc24

    • SHA1

      b9e0cf954f3cbf80245e32633a01644f69a6f0d8

    • SHA256

      15efdfbe9775fdeb2a57a01564006d1322e9f7815c8f4325d88d6403fe809238

    • SHA512

      7abcdc3b2bcf849fa359010ebe04b587e9e7f8b3222a949f03fd5766506a0f612ab875bb205a60a7fe170002177c0a3d841965d902a175656406ff10df345047

    • SSDEEP

      384:6X21oCNE0oHVOBiEN1EDzSW4Ys7//YriYpICfKSZP8ZWYahHT/yKetlOmdmSlmOW:6m1DE00OBiOW4L7Hw/phiZQhH7y3

    • AgentTesla

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

    • AgentTesla payload

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

8
T1552

Credentials In Files

6
T1552.001

Credentials in Registry

2
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

8
T1005

Email Collection

2
T1114

Tasks