Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 01:37

General

  • Target

    PO IP 24000732.exe

  • Size

    802KB

  • MD5

    e90e11b3f522848cdda6418582a11321

  • SHA1

    b8a202c80349905cf1f04c4147d11272e1dd0055

  • SHA256

    f64e005b27ee50222b28815ba69baf3ed2d694892de8cd2d81ca98f44852c64f

  • SHA512

    e5743364e9dbf3749dbbbf48ab07db3fca86175da5c694b724f72a5799a49f2118a529366bcad7be0435a0ca9e5c0e4b4d13c9bfbcf0cf1ba234e074f6332bd2

  • SSDEEP

    24576:HYDo77o5wCastaTRDQs/GR2/hkpthkOI:s9wHs4tEsppkB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 TTPs

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

  • Looks up external IP address via web service 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO IP 24000732.exe
    "C:\Users\Admin\AppData\Local\Temp\PO IP 24000732.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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\PO IP 24000732.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ukxgIDsbfbZiNd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ukxgIDsbfbZiNd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FDE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2184
    • C:\Users\Admin\AppData\Local\Temp\PO IP 24000732.exe
      "C:\Users\Admin\AppData\Local\Temp\PO IP 24000732.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3FDE.tmp

    Filesize

    1KB

    MD5

    d575726f6f89c7e75665f4827cbae5cb

    SHA1

    6548e7c7836bda7863c8b7817936b28f449189a2

    SHA256

    902c1f92cd45c976c424658bf004eb585ce3f94840ba804f0aa2c17425a43fa1

    SHA512

    96f42dfd29c93fb91b265fd6cd5e078aca182e1125f6bc39667a876862e6d481d18cdda87da7b10c9b03e0b33a1c1ede8a1432b73e3c75a8122ed0be0867cca4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    6bb5dc0504502b1f28d94e84acc25e61

    SHA1

    79b69f5f3f690779cfcaf6accdbebdd3fa050983

    SHA256

    77d85b4fab09e46c87ccc9b008c4ba79c5dea7c719907564bc84cd5d56e2ed1b

    SHA512

    b875576763a921e6c4f21d2b90a98e6fc8f9db47a7ac29fc57cacba5c0188f05d5069fea34d1a10338ad5bde888fa6a1bc13ef686512fefd8ebfe741cec22f8d

  • memory/2588-30-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-28-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3044-6-0x00000000053C0000-0x0000000005448000-memory.dmp

    Filesize

    544KB

  • memory/3044-1-0x00000000010B0000-0x000000000117E000-memory.dmp

    Filesize

    824KB

  • memory/3044-0-0x000000007454E000-0x000000007454F000-memory.dmp

    Filesize

    4KB

  • memory/3044-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-3-0x000000007454E000-0x000000007454F000-memory.dmp

    Filesize

    4KB

  • memory/3044-5-0x0000000074540000-0x0000000074C2E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-4-0x0000000000920000-0x0000000000932000-memory.dmp

    Filesize

    72KB

  • memory/3044-31-0x0000000074540000-0x0000000074C2E000-memory.dmp

    Filesize

    6.9MB