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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 17:59

General

  • Target

    de9dd0c28688277931a9dfe95f09c5c0.exe

  • Size

    302KB

  • MD5

    de9dd0c28688277931a9dfe95f09c5c0

  • SHA1

    a2e2cfac5bc021a692f71857aa31250869c2e6c6

  • SHA256

    6380c6a0cfeaa8c91b5c4de75539255c14fe313934ec973179d3b4d6aac79c11

  • SHA512

    3dd1e198cf4b59aff2e66537faf29d8c7c02d636d8bc58e01984c548655c352502a9d9a456e62536eede1d047e286d7f2ff73a18db4f5c0132d47d1fcf43fa85

  • SSDEEP

    6144:wfgpnTfV/4RJXkcNT43KS3KD5pJi7NVEMbOM0lcHUfh5C6KgN5E57:ZlJkh43Y5i0nlcHUJMx

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 64 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de9dd0c28688277931a9dfe95f09c5c0.exe
    "C:\Users\Admin\AppData\Local\Temp\de9dd0c28688277931a9dfe95f09c5c0.exe"
    1⤵
    • Sets file execution options in registry
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Temp\pucuu41server.exe
      "C:\Temp\pucuu41server.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Windows\system32\Deleteme.bat
        3⤵
          PID:2936
    • C:\Windows\SysWOW64\svohst.exe
      C:\Windows\SysWOW64\svohst.exe -NetSata
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\Deleteme.bat

      Filesize

      94B

      MD5

      4ad2687ee8c6719c9f879a8af9883836

      SHA1

      708dd7731fa39874ebcbc13c75c125f85a8f6317

      SHA256

      5bb9e760f213d90496ae619fbeb7b0e15a157a62dfeb42dc3cddb8f9f144b62a

      SHA512

      f1049d3a92b497de41df068b1b268968c5d77551736275ec83cc88808a5b636ccdb0927b995029744ced44905190174ae95b54318acd5f6e5d818bcfe43112b1

    • \Temp\pucuu41server.exe

      Filesize

      476KB

      MD5

      9683c5af9164dd674242979191e5f710

      SHA1

      e6e2fbcee33a4cd0e9264e4ff259e38478a1ec2d

      SHA256

      850174353615b43b7392dec40ab9f27f4afe07d82abacfec690df17a6ef6322f

      SHA512

      16a97b6bdfa769232e7e17c1585d41a6258f2a4e3b594b0ca7f88ef512fd5237166c64c6b1758c39064e622224ff5df187a7ff27b51b4782605ef65292ecd3fc

    • memory/2524-13-0x00000000003B0000-0x00000000003B1000-memory.dmp

      Filesize

      4KB

    • memory/2524-19-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/2524-23-0x00000000003B0000-0x00000000003B1000-memory.dmp

      Filesize

      4KB

    • memory/2528-17-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/2528-20-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/3012-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/3012-12-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB