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Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/04/2024, 03:36

General

  • Target

    c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe

  • Size

    56KB

  • MD5

    4440eed36cb99f5529238ec67e1e58ae

  • SHA1

    bdf33a7db224ac839e11058ed631e49969e92c1e

  • SHA256

    c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d

  • SHA512

    b2d62d799145ad9159285458399a6786d9901fcc7a74fdedd91ec1ade10247f3b56f4b09716368083e01256233c104d9c07398f2e57dd65f2739ee44bc923c08

  • SSDEEP

    768:/mnVAp7lyHeUueqkpI8dBwNQnxxy+CVr/FC0uVexxhU98eF:enVA9k+leqkpI8dBwCy+er/F5Hi9X

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\codecupdate.exe
      "C:\Users\Admin\AppData\Local\Temp\codecupdate.exe"
      2⤵
      • Executes dropped EXE
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\codecupdate.exe

    Filesize

    56KB

    MD5

    ff62fb8d0785c1459c275faa5f8d260b

    SHA1

    564e08a024147dfa0d190c444a489376d7ca55e9

    SHA256

    e8de83cca4cdfb4a847bccf0384494dacd013a34f1c11a36309864450541d3d5

    SHA512

    7eb229c83e96146ca196cdc3617a75a19c84a581e6afc2c86c46f8215ced0470a46c74da684d05cf4f224de286a64db635ac799e4802ee8050d1aac84a8b8241

  • memory/1492-12-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4800-0-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB