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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 02:43

General

  • Target

    97ac68d72812a7b31de91271f428518f.exe

  • Size

    329KB

  • MD5

    97ac68d72812a7b31de91271f428518f

  • SHA1

    ac65a1879617ce788e71286209cf726ba785f5ca

  • SHA256

    a8c59abed8d4a8dd3e5caec2b1b8632d43941ce962039991aaa2feb1be61267d

  • SHA512

    d7941bfd72c6889a86f37ba7deebc455111b979cdb6220dc0d7ca359d4a32f9645441609bb428d71395b81197fc22e9e26139c53f6954711dbcbe9f93def6035

  • SSDEEP

    6144:s/g/J/4Qk2vz3AW1n6TF5gcueFwgOCzQ7UffswixccY/nDy9ixs55WSyj+hg:s/g/J/4hOO5hFwtgFixc/dxi5Iq

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe
    "C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2516 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\97ac68d72812a7b31de91271f428518f.exe" & start C:\Users\Admin\AppData\Local\oeioak.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2516
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2096
      • C:\Users\Admin\AppData\Local\oeioak.exe
        C:\Users\Admin\AppData\Local\oeioak.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\oeioak.exe

    Filesize

    329KB

    MD5

    97ac68d72812a7b31de91271f428518f

    SHA1

    ac65a1879617ce788e71286209cf726ba785f5ca

    SHA256

    a8c59abed8d4a8dd3e5caec2b1b8632d43941ce962039991aaa2feb1be61267d

    SHA512

    d7941bfd72c6889a86f37ba7deebc455111b979cdb6220dc0d7ca359d4a32f9645441609bb428d71395b81197fc22e9e26139c53f6954711dbcbe9f93def6035

  • memory/2516-1-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2516-0-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2516-2-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2516-3-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2516-4-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2516-5-0x0000000000250000-0x0000000000252000-memory.dmp

    Filesize

    8KB

  • memory/2516-7-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-17-0x00000000002A0000-0x00000000002A2000-memory.dmp

    Filesize

    8KB

  • memory/2860-13-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-14-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-15-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-18-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-19-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-20-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2860-21-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-22-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-23-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-24-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-25-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2860-26-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB