Analysis

  • max time kernel
    46s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 01:45

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:2792
    • 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:2740
    • 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:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ukxgIDsbfbZiNd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC429.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2756
    • 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:2252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC429.tmp

    Filesize

    1KB

    MD5

    c37cc0647a30e827127fa64b6082d8d7

    SHA1

    6c31e27695a95db7e00403d14247dacfa60f1d42

    SHA256

    7ecd8d26c40f8e29b941a2fe5ee904de67e34953f7bcb636a3f80ddb4a1a1022

    SHA512

    fed62a6e2f5679d4ba059542805791b3238f7c04f2e50114130eba04b6a95f5f2e5a23b587e7144ea67866080a52c35b742cd1673444c63ba6fa9f58587c5698

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E75ILNHO68BAIIA16VTA.temp

    Filesize

    7KB

    MD5

    8bfc9d51b96d9ebd3b0487c7156f326f

    SHA1

    e0002c97aec7f1610d6cb5bbc6b629daee4d9a66

    SHA256

    76678904e93842f023425cdd5efe272cc5fbe59bbaa8b036662ff8bd4508f43e

    SHA512

    3af9b720a32f55eded9c40966ca0d981170be25d91c346528fc42d18bb09214b3cae3bce4c1dd6897021a5e0e7f0c346f88bd898d0341c26e92a74e001063db4

  • memory/2252-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2252-30-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2252-28-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2792-6-0x0000000005260000-0x00000000052E8000-memory.dmp

    Filesize

    544KB

  • memory/2792-1-0x00000000009E0000-0x0000000000AAE000-memory.dmp

    Filesize

    824KB

  • memory/2792-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2792-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-3-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2792-31-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-5-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-4-0x0000000000550000-0x0000000000562000-memory.dmp

    Filesize

    72KB