Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13-02-2024 18:03

General

  • Target

    99c8e0020a03e49c208cce601caf599e.exe

  • Size

    506KB

  • MD5

    99c8e0020a03e49c208cce601caf599e

  • SHA1

    a0e6e29fa81510d9598d1a32056eea36ad17e892

  • SHA256

    ce481c89c65c5dad216aaedf8ef38b41f93ff08a6ad56d6b0ed6278b5f2d6649

  • SHA512

    de9c8c17ec90d5d5e1c2c64a62c4985a704a6db7d2bec12931ceeb7e49684f5bbfbda6f171a0518aa36f7652477fc8ba8ac981e1c4b64d8e86a380057e701b2d

  • SSDEEP

    12288:XRjmhXwQ9LN4Gf/Q5oUgWsoZore9RFdw8V6:BiwQ9LyG3kgOZoQw8V6

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe" /TN Google_Trk_Updater /F
    1⤵
    • Creates scheduled task(s)
    PID:2772
  • C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe
    C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2440
  • C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe
    "C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\99c8e0020a03e49c208cce601caf599e.exe

    Filesize

    506KB

    MD5

    06b5a242bf86fefe55dff0082ad3560e

    SHA1

    63ae5ebca6baca1fe573e2881cf0d3e4236d0b67

    SHA256

    72c51dc56d0802d6370fbd6758d9c6d3b326104fb4be9eb925049a372341f69a

    SHA512

    1eb21d686a716704b7929c9a95725f241fe9e3f3929a278f848844e9eea88a4f2ec726446cf026606e5df593a6723a99ae3dcbb7d46d42249856ff5b27757006

  • C:\Users\Admin\AppData\Local\Temp\Cab60F6.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar6147.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2000-15-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/2000-12-0x0000000001490000-0x0000000001513000-memory.dmp

    Filesize

    524KB

  • memory/2000-2-0x0000000000330000-0x00000000003B3000-memory.dmp

    Filesize

    524KB

  • memory/2000-1-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/2000-0-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2440-26-0x0000000002D60000-0x0000000002DDE000-memory.dmp

    Filesize

    504KB

  • memory/2440-23-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2440-17-0x0000000001490000-0x0000000001513000-memory.dmp

    Filesize

    524KB

  • memory/2440-64-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB