Analysis

  • max time kernel
    133s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 22:15

General

  • Target

    75a5b31d37d41f4c2f30703d90585861.exe

  • Size

    13KB

  • MD5

    75a5b31d37d41f4c2f30703d90585861

  • SHA1

    ab0fff31acbff44c3b104864988cf299e0ec7a04

  • SHA256

    6815e7018b26ae888576c94ea2ae2e2a43f63f6017f2502cc8be086ec384f7f6

  • SHA512

    e37f5e51535a9b38f14ab3f99b942bb217ac4f355a1081a00c5eb0be27eef92e57d7ea309ef26df0e79785a7956ce3bead923311988b504802413afe85f90a6a

  • SSDEEP

    384:L7VbKFt3s4yThhXFUSGNclIOATSdqg+vwfZ+pk:XFKFtc4yThVbGNcllArRvy

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75a5b31d37d41f4c2f30703d90585861.exe
    "C:\Users\Admin\AppData\Local\Temp\75a5b31d37d41f4c2f30703d90585861.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\Mann.exe
      C:\Windows\system32\Mann.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\Mann.exe > nul
        3⤵
          PID:2852
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c echo ping 127.1 -n 3 >nul 2>nul >c:\2.bat&echo del C:\Windows\system32\75a5b31d37d41f4c2f30703d90585861.exe>>c:\2.bat&echo del c:\2.bat>>c:\2.bat&c:\2.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.1 -n 3
          3⤵
          • Runs ping.exe
          PID:2788
    • C:\Windows\SysWOW64\Mann.exe
      C:\Windows\SysWOW64\Mann.exe
      1⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:2312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\2.bat

      Filesize

      94B

      MD5

      12a691da2b1c89c0fa585fa1d7465285

      SHA1

      e206fafdfea9e0dc7271eb25b7b388ec1d3e6c70

      SHA256

      c0354d5d8f2ecee0ebf975a62c1b4f86ee8cdbecb07f164d8e1a766f57047696

      SHA512

      4507e9b11c19663dd007cb46a1f06da826f95aadf2bb54f94976133be87a600051e7bc8b31b5f0ff032e6de18352f88be305c2ebf6ca94e2c7cfd5e05c3cbb30

    • \Windows\SysWOW64\Mann.exe

      Filesize

      18KB

      MD5

      2c6d407c7df7e9a65083b4cf90cb09ec

      SHA1

      69e40c8063a9312482affd5f56d59ffccb323b70

      SHA256

      90d0b221198a49dc3540d05963119ae769e3d754ee9c1677352557749d1a2cce

      SHA512

      f83f97cd9181a49fc1d7053f80dae840609268d904b30202c36b292b8d3a60140c7a2e3afda465e7ac18681c818a42c8d01eec73cbc6953658b1a959d3b8c63b

    • memory/1420-14-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB