Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 02:07

General

  • Target

    9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe

  • Size

    722KB

  • MD5

    a137190807cc53e311cd9c9517e86631

  • SHA1

    4bce0de9f0dc621a3f8317d271ba0aca034231a5

  • SHA256

    9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046

  • SHA512

    363e5ffed8da58069105e6b7cc90598d4ebf865a05f4100514870280c3b7500f9efed2d123f83ea2f1e37e7177c1232e741f6373a1bcba779cb71ea47f24eb3a

  • SSDEEP

    12288:OcK1lNZRA0N0Y/qX4bGkdF8MUiUExDNVIXkYyXHhZON9ojMm8sk4H4444C4kR:cl7N24brnUiUExAXkYy3DOnNm8L4H44C

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 2 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe
    "C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2656
    • 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\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FpByGrxqZQnm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FpByGrxqZQnm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4692.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:596
    • C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe
      "C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe"
      2⤵
        PID:2676
      • C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe
        "C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe"
        2⤵
          PID:2728
        • C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe
          "C:\Users\Admin\AppData\Local\Temp\9a3df156a13ba47cbdea89891641b0fd9bf9a3337034c10a38537dfe573b6046.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2672

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp4692.tmp
        Filesize

        1KB

        MD5

        ae0c2e99451b0c523eb4d6eb0b5127e7

        SHA1

        769c3b9813da005daec58588e40cd794b9f21b25

        SHA256

        5f68de1ecfb015343b1925033c45abafcad6ec55ccc2119e3c87fac4975d29cf

        SHA512

        bed6ac52b202d37c4baa8ce8cfccdd6fc3dfb9a5648be962093c5a2cf02b174bbcce88d677488741da41d07dc993da5cbd604aa0662ee68e553b014b078d7d7a

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

        7KB

        MD5

        464e5ef7df8a4bea420c912a3aff279e

        SHA1

        2acf9e5aaa25970f431c9407b0de156cef26310f

        SHA256

        b4c2088dcbe26e3ec9450b8a8eb918e68ccca41fe60664816e67328a454c7a7b

        SHA512

        ca00dd9c91510eb9112afea851dd9effbb6fd2a455c167b74836126cd0a6f4163035de9474bf242173f38b75c6764640cd06166972eeadf8f762d7317ecb25c1

      • memory/2392-45-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2392-40-0x00000000022B0000-0x00000000022F0000-memory.dmp
        Filesize

        256KB

      • memory/2392-42-0x00000000022B0000-0x00000000022F0000-memory.dmp
        Filesize

        256KB

      • memory/2392-37-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2392-35-0x00000000022B0000-0x00000000022F0000-memory.dmp
        Filesize

        256KB

      • memory/2392-33-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2460-43-0x00000000025D0000-0x0000000002610000-memory.dmp
        Filesize

        256KB

      • memory/2460-34-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2460-46-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2460-39-0x00000000025D0000-0x0000000002610000-memory.dmp
        Filesize

        256KB

      • memory/2460-41-0x00000000025D0000-0x0000000002610000-memory.dmp
        Filesize

        256KB

      • memory/2460-36-0x000000006E9C0000-0x000000006EF6B000-memory.dmp
        Filesize

        5.7MB

      • memory/2656-0-0x0000000000120000-0x00000000001D6000-memory.dmp
        Filesize

        728KB

      • memory/2656-2-0x0000000004820000-0x0000000004860000-memory.dmp
        Filesize

        256KB

      • memory/2656-1-0x0000000074650000-0x0000000074D3E000-memory.dmp
        Filesize

        6.9MB

      • memory/2656-30-0x0000000074650000-0x0000000074D3E000-memory.dmp
        Filesize

        6.9MB

      • memory/2656-7-0x0000000074650000-0x0000000074D3E000-memory.dmp
        Filesize

        6.9MB

      • memory/2656-3-0x00000000006E0000-0x00000000006F8000-memory.dmp
        Filesize

        96KB

      • memory/2656-6-0x0000000000480000-0x0000000000502000-memory.dmp
        Filesize

        520KB

      • memory/2656-8-0x0000000004820000-0x0000000004860000-memory.dmp
        Filesize

        256KB

      • memory/2656-5-0x0000000000750000-0x0000000000764000-memory.dmp
        Filesize

        80KB

      • memory/2656-4-0x0000000000740000-0x000000000074E000-memory.dmp
        Filesize

        56KB

      • memory/2672-23-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-38-0x0000000074650000-0x0000000074D3E000-memory.dmp
        Filesize

        6.9MB

      • memory/2672-44-0x0000000004780000-0x00000000047C0000-memory.dmp
        Filesize

        256KB

      • memory/2672-24-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-32-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-22-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2672-21-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-29-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-27-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-47-0x0000000074650000-0x0000000074D3E000-memory.dmp
        Filesize

        6.9MB

      • memory/2672-48-0x0000000004780000-0x00000000047C0000-memory.dmp
        Filesize

        256KB