Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 01:23

General

  • Target

    a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe

  • Size

    690KB

  • MD5

    5f3fd22657bf0adfc057647d37085731

  • SHA1

    2dbb0499f14d803b4f7f38064703783a0c55feec

  • SHA256

    a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

  • SHA512

    b2ccfda801941d9973eee76bc0dd83a1ab29fd272bc0b9e7890bb8e04ceda6689755e841f11b59d9e1fdbf60c73dfe06850d076be8fdf89db71192a8cdad09ea

  • SSDEEP

    12288:vPNpjsvRaQaeIzsVYem3KRl8j5mrAbSk2/m00UfVjo9zp84RagOUU:nNpjCbae9/mWlm+AYm072yqaBUU

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7144925531:AAFj5KN4HiQlwcqqHICdvh7iOOg5_U7HmZs/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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).

  • 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 7 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\a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe
    "C:\Users\Admin\AppData\Local\Temp\a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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\a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ffxtmx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ffxtmx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DBA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2580
    • C:\Users\Admin\AppData\Local\Temp\a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe
      "C:\Users\Admin\AppData\Local\Temp\a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cashout\cashout.exe
    Filesize

    690KB

    MD5

    5f3fd22657bf0adfc057647d37085731

    SHA1

    2dbb0499f14d803b4f7f38064703783a0c55feec

    SHA256

    a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

    SHA512

    b2ccfda801941d9973eee76bc0dd83a1ab29fd272bc0b9e7890bb8e04ceda6689755e841f11b59d9e1fdbf60c73dfe06850d076be8fdf89db71192a8cdad09ea

  • C:\Users\Admin\AppData\Local\Temp\tmp5DBA.tmp
    Filesize

    1KB

    MD5

    7e67534069436f210771105b4f3d243e

    SHA1

    672960909ec253a5b006e769e65126cb4d314955

    SHA256

    1ace8131db5395857aaa5eb5648ebc5f600547b2f76f57caf327006b8a8a41ed

    SHA512

    885f1923f01264d72b68c737f484606cc01c5d18e76076b2f8c95fe45cf4677641bf0f21705edcc94049ec56ac83159608c5f7e38e8aff9cdda1e41e1984daf9

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

    7KB

    MD5

    4cbbfe142566bbb7f2e7a5f8d595ab9c

    SHA1

    c2219c875c95f88eda94035c8abc88910e809741

    SHA256

    d090b139b94411942dd622f96060a588e61e9a2eb74176477ccf4ccf9199f59f

    SHA512

    2d26740522ef7c48598082fee965cb2dc2cafea955923167ccc2dd9163a7fea4c65570e40a27b032ae2cc6e6c4609906ae1b25e9fd4bac8c94dc91f5f50f6da3

  • memory/2224-0-0x00000000013C0000-0x0000000001472000-memory.dmp
    Filesize

    712KB

  • memory/2224-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp
    Filesize

    6.9MB

  • memory/2224-2-0x0000000004A50000-0x0000000004A90000-memory.dmp
    Filesize

    256KB

  • memory/2224-3-0x0000000000D10000-0x0000000000DB2000-memory.dmp
    Filesize

    648KB

  • memory/2224-4-0x00000000007B0000-0x00000000007C8000-memory.dmp
    Filesize

    96KB

  • memory/2224-5-0x00000000005F0000-0x00000000005FE000-memory.dmp
    Filesize

    56KB

  • memory/2224-6-0x0000000000970000-0x0000000000984000-memory.dmp
    Filesize

    80KB

  • memory/2224-7-0x00000000004D0000-0x0000000000558000-memory.dmp
    Filesize

    544KB

  • memory/2224-36-0x00000000745D0000-0x0000000074CBE000-memory.dmp
    Filesize

    6.9MB

  • memory/2532-33-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2532-40-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2532-42-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2532-38-0x0000000002C60000-0x0000000002CA0000-memory.dmp
    Filesize

    256KB

  • memory/2560-46-0x0000000000210000-0x0000000000250000-memory.dmp
    Filesize

    256KB

  • memory/2560-22-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-30-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-37-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-24-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-32-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-50-0x0000000000210000-0x0000000000250000-memory.dmp
    Filesize

    256KB

  • memory/2560-26-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2560-49-0x0000000073380000-0x0000000073A6E000-memory.dmp
    Filesize

    6.9MB

  • memory/2560-20-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2560-45-0x0000000073380000-0x0000000073A6E000-memory.dmp
    Filesize

    6.9MB

  • memory/2640-35-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2640-44-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2640-41-0x000000006E8F0000-0x000000006EE9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2640-43-0x00000000029D0000-0x0000000002A10000-memory.dmp
    Filesize

    256KB

  • memory/2640-39-0x00000000029D0000-0x0000000002A10000-memory.dmp
    Filesize

    256KB