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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2023, 14:52

General

  • Target

    7efc38d6ecf2aec38813fb0bdd6b897409900b80cc77ac1629341efcf8b1045f.exe

  • Size

    10.1MB

  • MD5

    bbf99d8c20d24e8adaac010c140ef35b

  • SHA1

    25c92909d20973257611acfa42abdb08cdefcc1c

  • SHA256

    7efc38d6ecf2aec38813fb0bdd6b897409900b80cc77ac1629341efcf8b1045f

  • SHA512

    877e3936682eb9dabee61dcec660d2b14813dc7505dbe58da19d405e78eda0a8c7875979e3dbe9ac960184d3bd43fc458801959e51d2c364f0beaab5e269d9ab

  • SSDEEP

    98304:1IwOctqbvRtiS8UjuGVyT1Zqv9Y+9S0qWC4zL5pMKE:1IhcYvRtctzTLwW0ASEKE

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7efc38d6ecf2aec38813fb0bdd6b897409900b80cc77ac1629341efcf8b1045f.exe
    "C:\Users\Admin\AppData\Local\Temp\7efc38d6ecf2aec38813fb0bdd6b897409900b80cc77ac1629341efcf8b1045f.exe"
    1⤵
    • Drops startup file
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Windows\SysWOW64\taskmgr.exe
      C:\Windows\system32\taskmgr.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1276
    • C:\Windows\SysWOW64\net.exe
      net user Admin 159238
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 user Admin 159238
        3⤵
          PID:4512
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x3f8 0x348
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1276-137-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-139-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-138-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-143-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-144-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-146-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-147-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-148-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-149-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/1276-145-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/4140-133-0x0000000000400000-0x0000000000E61000-memory.dmp

      Filesize

      10.4MB

    • memory/4140-152-0x0000000000400000-0x0000000000E61000-memory.dmp

      Filesize

      10.4MB