Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 11:53

General

  • Target

    DOCS.exe

  • Size

    776KB

  • MD5

    328fb60d58a1124841809a92a0f2cf35

  • SHA1

    33f5f8b67e81869842c2e1e17188b0c44bdd99f9

  • SHA256

    73b0c29386009bd757ccb9dbc9f3d4d87710ea6a769c5cccc33ac21889060f34

  • SHA512

    c1b93deca1825f7902cdd08c9a290cdeccf5ca913b09475f53a4489c951a202bdb039c3b88efc3c65ef690e2ed560b396c2bcef67f701eca7c2f6a6cea17c479

  • SSDEEP

    12288:mGPPhkZ55pS3ZBmAjhWWXS3VaYE3PsWuuBkUh13+X7wzR6BeD:mIPK/3owAjhWOSFcduozw8gBS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCS.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aueJgJ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aueJgJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6ECA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2068
    • C:\Users\Admin\AppData\Local\Temp\DOCS.exe
      "C:\Users\Admin\AppData\Local\Temp\DOCS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6ECA.tmp

    Filesize

    1KB

    MD5

    2b27bbd551a5d9a93ad0ef841edac179

    SHA1

    eddff518a984eb577a7c64f65839f1fc45870811

    SHA256

    972cb2599372ea3a0163201d7a5a690fd443edded92659cc8bf2bb5f29affaed

    SHA512

    88fd1db53c755e000412a5a0f010fde0d6546d2917361624995dc8d0f3faaf90179da52c4b79d3b8810cfbfb2e3e5f734b1fdb38e24772403c4822f5f33b73ca

  • memory/1476-29-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1476-3-0x0000000000480000-0x000000000049A000-memory.dmp

    Filesize

    104KB

  • memory/1476-0-0x00000000010E0000-0x00000000011A8000-memory.dmp

    Filesize

    800KB

  • memory/1476-4-0x0000000000570000-0x0000000000578000-memory.dmp

    Filesize

    32KB

  • memory/1476-5-0x0000000000580000-0x000000000058A000-memory.dmp

    Filesize

    40KB

  • memory/1476-6-0x0000000005CA0000-0x0000000005D1A000-memory.dmp

    Filesize

    488KB

  • memory/1476-7-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1476-8-0x0000000004F20000-0x0000000004F60000-memory.dmp

    Filesize

    256KB

  • memory/1476-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1476-2-0x0000000004F20000-0x0000000004F60000-memory.dmp

    Filesize

    256KB

  • memory/2136-33-0x0000000002620000-0x0000000002660000-memory.dmp

    Filesize

    256KB

  • memory/2136-35-0x000000006EC60000-0x000000006F20B000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-31-0x000000006EC60000-0x000000006F20B000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-30-0x000000006EC60000-0x000000006F20B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-32-0x0000000001080000-0x00000000010C0000-memory.dmp

    Filesize

    256KB

  • memory/2680-34-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-37-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-36-0x0000000001080000-0x00000000010C0000-memory.dmp

    Filesize

    256KB

  • memory/2680-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB