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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2024, 01:54

General

  • Target

    8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe

  • Size

    778KB

  • MD5

    44ca4ba6ef061881a792bb28632eab57

  • SHA1

    b1c1f629c29f893336783f097c9148cc2588c1ec

  • SHA256

    8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260

  • SHA512

    5bdab5983b48edf0d9ac82ecbb415412fd42032732918b4978595a151e53a431dccb5aa8fedec75f3ac5827161cba2ae16c2a7c82b6f7d6e01e7a8cde2d1cd94

  • SSDEEP

    12288:OCPAph2UQQWr9hWvdOcApi/+Jsil/HffwWFSFlSP/:OCPAz2tNSlOc5+Jsi/Hfj0lQ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe
    "C:\Users\Admin\AppData\Local\Temp\8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504
    • C:\Users\Admin\AppData\Local\Temp\8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe
      "C:\Users\Admin\AppData\Local\Temp\8f8f098f083c7482d086b2ec3d4c38298f5c65dfea1d8fcba72e886f9f1c1260.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2204-0-0x0000000000E30000-0x0000000000EF8000-memory.dmp

    Filesize

    800KB

  • memory/2204-1-0x00000000747B0000-0x0000000074E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2204-2-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/2204-3-0x0000000000410000-0x0000000000428000-memory.dmp

    Filesize

    96KB

  • memory/2204-4-0x0000000000440000-0x000000000044E000-memory.dmp

    Filesize

    56KB

  • memory/2204-5-0x0000000000450000-0x0000000000466000-memory.dmp

    Filesize

    88KB

  • memory/2204-6-0x0000000000D60000-0x0000000000DE2000-memory.dmp

    Filesize

    520KB

  • memory/2204-21-0x00000000747B0000-0x0000000074E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2576-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2576-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2576-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB