Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 19:11

General

  • Target

    Unpaid Orders.exe

  • Size

    714KB

  • MD5

    a8840ab3795a9da734322e577d8562ea

  • SHA1

    479416944428b322eb81421535f457803088404c

  • SHA256

    dd64934df95a8678e303aaef7b1b8b58caa68a039e3f50788c7c88f408e93432

  • SHA512

    03d861f734650e0a8c5c2274008cdd94b13492e56f069ade03eda95b8f0615dce8fd5d70180a0f91cc30e36a52b88df08c26a9a9f8d082213bce95c94023331a

  • SSDEEP

    12288:v6UZhF9WMHm+v6yNjd7ooBjGBXkn0LjphnNfWeqUF16IreRZs:yUb2MG+ieFoY651jphnlFqs/

Malware Config

Extracted

Family

agenttesla

Credentials

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 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe
    "C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • 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\Unpaid Orders.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KeECWTaVQBbzE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KeECWTaVQBbzE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4125.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe
      "C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe"
      2⤵
        PID:2400
      • C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe
        "C:\Users\Admin\AppData\Local\Temp\Unpaid Orders.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4125.tmp

      Filesize

      1KB

      MD5

      cb439667d94229b652d2add91783ddd7

      SHA1

      8b0a2cadaed164c1c21af20924dd427b546c66ad

      SHA256

      0d1029f831e072cc28ab06880ecf519250d2d00c8ebe869429ca230c7bef90b6

      SHA512

      f61360cfdcfc537377062ce4375dcc4490ca6598af25c53e88a10b16c3bdc5ce6ec5cc2674e2ac96dc72fc1a3f360f48b319c1b0a8723c8f639b4ab489514f52

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

      Filesize

      7KB

      MD5

      d539a3a20b804758f0c7cb70b5097577

      SHA1

      eb95065a3735ea97b491ca1b55750f5d0887988b

      SHA256

      f6afa6355ed338fdc411f1ebb17f2eb5c328dd5b5baf839584e02df6aa9c1b13

      SHA512

      7408a314e5ca55701c6d17edeb690d003bf743fe30b770aa9bf551ca77c3a9c99ac21aab5593be863444cdf22c033f7cd2dda788e643900b08c388ae73adcdb7

    • memory/1260-29-0x0000000074990000-0x000000007507E000-memory.dmp

      Filesize

      6.9MB

    • memory/1260-0-0x0000000000DA0000-0x0000000000E56000-memory.dmp

      Filesize

      728KB

    • memory/1260-2-0x0000000004E30000-0x0000000004E70000-memory.dmp

      Filesize

      256KB

    • memory/1260-3-0x0000000000320000-0x0000000000338000-memory.dmp

      Filesize

      96KB

    • memory/1260-4-0x0000000000440000-0x000000000044E000-memory.dmp

      Filesize

      56KB

    • memory/1260-5-0x0000000000450000-0x0000000000464000-memory.dmp

      Filesize

      80KB

    • memory/1260-6-0x00000000005C0000-0x0000000000644000-memory.dmp

      Filesize

      528KB

    • memory/1260-1-0x0000000074990000-0x000000007507E000-memory.dmp

      Filesize

      6.9MB

    • memory/2396-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-40-0x00000000006A0000-0x00000000006E0000-memory.dmp

      Filesize

      256KB

    • memory/2396-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2396-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2396-46-0x0000000074990000-0x000000007507E000-memory.dmp

      Filesize

      6.9MB

    • memory/2396-45-0x00000000006A0000-0x00000000006E0000-memory.dmp

      Filesize

      256KB

    • memory/2396-42-0x0000000074990000-0x000000007507E000-memory.dmp

      Filesize

      6.9MB

    • memory/2396-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2608-34-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2608-39-0x0000000002780000-0x00000000027C0000-memory.dmp

      Filesize

      256KB

    • memory/2608-38-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2608-41-0x0000000002780000-0x00000000027C0000-memory.dmp

      Filesize

      256KB

    • memory/2608-36-0x0000000002780000-0x00000000027C0000-memory.dmp

      Filesize

      256KB

    • memory/2608-44-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2860-37-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2860-43-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB

    • memory/2860-35-0x0000000002A70000-0x0000000002AB0000-memory.dmp

      Filesize

      256KB

    • memory/2860-33-0x000000006EA20000-0x000000006EFCB000-memory.dmp

      Filesize

      5.7MB