Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 02:13

General

  • Target

    SystemUpdate.exe

  • Size

    38.5MB

  • MD5

    812fb887e9dba4a5484fef3e0affe368

  • SHA1

    a96a4132b8f03810d0c3862fa90108da8cc0bce6

  • SHA256

    5d99f5bf54c9d7728bbfd50f75b462d453130fff7df37a039cb8cfd490b2e397

  • SHA512

    a615394160fdec370b37885291c23d6584cde8287a618d3eda782fa9b9166abd733902f5f800657c801ef47bd1b4201b90782748c9057dca57dc0a579b65b44e

  • SSDEEP

    786432:gHrt2V0YlUNf5ajZV3p3vv8gt7usRxcJ+519jtD+/K48NJtvXdlxn8C4L:gL4uEUNf5WZggt5cmBRUK48rPlxC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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\SystemUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\SystemUpdate.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\onefile_2580_133873424947980000\Stub.exe
      C:\Users\Admin\AppData\Local\Temp\SystemUpdate.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\onefile_2580_133873424947980000\python310.dll

    Filesize

    4.3MB

    MD5

    e4533934b37e688106beac6c5919281e

    SHA1

    ada39f10ef0bbdcf05822f4260e43d53367b0017

    SHA256

    2bf761bae584ba67d9a41507b45ebd41ab6ae51755b1782496d0bc60cc1d41d5

    SHA512

    fa681a48ddd81854c9907026d4f36b008e509729f1d9a18a621f1d86cd1176c1a1ff4f814974306fa4d9e3886e2ce112a4f79b66713e1401f5dae4bcd8b898b9

  • memory/668-34-0x000000013FA50000-0x0000000145491000-memory.dmp

    Filesize

    90.3MB

  • memory/2580-63-0x000000013F750000-0x0000000141E00000-memory.dmp

    Filesize

    38.7MB