Analysis

  • max time kernel
    61s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2023 21:18

General

  • Target

    RUNTWAREV2.exe

  • Size

    227KB

  • MD5

    6a3f3ce9e59e7f8b18895edb0ccb8e4f

  • SHA1

    81da4be170d0e4be51014e5bccc89c09f0c95202

  • SHA256

    dee17b4eadaee39276596882c2c60a1b59451017aa91f5c255dee92ae6689449

  • SHA512

    b9caa7e6020d9c7b2442b351a03215a4dece45613918936f848de180b5da92286a20ea8527c676b6fd0d4843a7c2fd9f9123c85c8630e62b883a907ae0101fba

  • SSDEEP

    6144:+loZM+rIkd8g+EtXHkv/iD44AummkrHMV9YW3X2cAb8e1mxzOi:ooZtL+EP84AummkrHMV9YW3X21Azj

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\RUNTWAREV2.exe
    "C:\Users\Admin\AppData\Local\Temp\RUNTWAREV2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4420

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4632-0-0x00000205B7340000-0x00000205B7380000-memory.dmp

    Filesize

    256KB

  • memory/4632-1-0x00007FFAFB260000-0x00007FFAFBD21000-memory.dmp

    Filesize

    10.8MB

  • memory/4632-2-0x00000205B9180000-0x00000205B9190000-memory.dmp

    Filesize

    64KB

  • memory/4632-4-0x00007FFAFB260000-0x00007FFAFBD21000-memory.dmp

    Filesize

    10.8MB