Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 41 IoCs
  • Suspicious use of WriteProcessMemory 3 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:1580
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2856

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1580-54-0x0000000000C70000-0x0000000000CB0000-memory.dmp

    Filesize

    256KB

  • memory/1580-55-0x000007FEF5D50000-0x000007FEF673C000-memory.dmp

    Filesize

    9.9MB

  • memory/1580-56-0x000000001AFB0000-0x000000001B030000-memory.dmp

    Filesize

    512KB

  • memory/1580-57-0x000007FEF5D50000-0x000007FEF673C000-memory.dmp

    Filesize

    9.9MB