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Analysis

  • max time kernel
    129s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/08/2023, 00:04

General

  • Target

    Chainsaw man game.exe

  • Size

    227KB

  • MD5

    004651fee59587df29f0095ac31f53f6

  • SHA1

    e61c6bf3bbfbc21261fcc3b3e08877b6037478d0

  • SHA256

    a590ec1d73ded06dd8029777f3ec1a4d9f1d208f45d1401aff94c61f7877077b

  • SHA512

    be71239fdb1c54c03223ae719ba84355df72b08ee414d923a9ae963f2901a4c78b6c93d2bdd1929e7ea2cec3ad0d2f579c06386dd65fcf6d34aa24f512c6bec3

  • SSDEEP

    6144:eloZM+rIkd8g+EtXHkv/iD4xS+SbhS6F+AxDeebyd6ln8e1m5i:IoZtL+EP8o+SbhS6F+AxDeebFhx

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chainsaw man game.exe
    "C:\Users\Admin\AppData\Local\Temp\Chainsaw man game.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1320-117-0x000001E314CB0000-0x000001E314CF0000-memory.dmp

    Filesize

    256KB

  • memory/1320-118-0x00007FFC56CE0000-0x00007FFC576CC000-memory.dmp

    Filesize

    9.9MB

  • memory/1320-119-0x000001E32F3B0000-0x000001E32F3C0000-memory.dmp

    Filesize

    64KB

  • memory/1320-121-0x00007FFC56CE0000-0x00007FFC576CC000-memory.dmp

    Filesize

    9.9MB