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Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 15:07

General

  • Target

    e5bfc858958d395224e140aaa85b6080_NEIKI.exe

  • Size

    65KB

  • MD5

    e5bfc858958d395224e140aaa85b6080

  • SHA1

    41de7b5e0d24a50540420341e83c0f0183fa873d

  • SHA256

    887376c474c6891d6374982e7f50779ff4bf4e0b6f739e16870cbcff78f9611f

  • SHA512

    c099a9924328508ca8267fe38874bfc13377586aa2be827d878dbe1eeb0c0f579b28a3257684e4f872d6817117210c747501658541986ed5bb96e6e36eb735c2

  • SSDEEP

    768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyX60:Zr3Z5IfQIR81ad5yX60

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5bfc858958d395224e140aaa85b6080_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\e5bfc858958d395224e140aaa85b6080_NEIKI.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\gsqhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E5BFC8~1.EXE > nul
      2⤵
        PID:4348
    • C:\Windows\Debug\gsqhost.exe
      C:\Windows\Debug\gsqhost.exe
      1⤵
      • Executes dropped EXE
      PID:1272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\debug\gsqhost.exe

      Filesize

      65KB

      MD5

      140666b57c3e25b18ba32c9de98cc771

      SHA1

      38e9ca76b8399e91842061d5af1f09c2f46b71ba

      SHA256

      84c80debe0ca4c2bce25afbc8493777844781670d48a9f57ff1fd4c289037270

      SHA512

      a6466e8aec93b650c97c7cbe9a519056b09b3a01295d789b4ea21a8385a536c7327bcecb6cc8998059ae422f58222cdd66fbe3af48277f546fd75dcf4fdfee89

    • memory/1272-5-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/1272-6-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/3852-0-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB