Analysis

  • max time kernel
    3s
  • max time network
    7s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2024 13:48

General

  • Target

    DominantExecutor.exe

  • Size

    235KB

  • MD5

    ebc311b832b0270e6e821f172455b932

  • SHA1

    e8eda44e191962d8f0c1baeb7ac544e67f916df2

  • SHA256

    5258c5c9535c48eb0f8a5b4ddc3f4deb8d001230e88d9cab5e25201eaececb60

  • SHA512

    8a007d4ec12ed739f1ae3ca2faa1c744df7d4418ceeb06b7adf88bcd094a9cfd0b9b26aa75872630e6d41bc8b9b240938591abb58ba8c8904fb098c2bec2df0f

  • SSDEEP

    6144:rloZM+rIkd8g+EtXHkv/iD48gIsywvrYJhkijD65Wb8e1mmi:poZtL+EP88gIsywvrYJhkijD6Qk

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Umbral family
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DominantExecutor.exe
    "C:\Users\Admin\AppData\Local\Temp\DominantExecutor.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1616-0-0x000007FEF6533000-0x000007FEF6534000-memory.dmp

    Filesize

    4KB

  • memory/1616-1-0x0000000000B10000-0x0000000000B50000-memory.dmp

    Filesize

    256KB

  • memory/1616-2-0x000007FEF6530000-0x000007FEF6F1C000-memory.dmp

    Filesize

    9.9MB

  • memory/1616-3-0x000007FEF6530000-0x000007FEF6F1C000-memory.dmp

    Filesize

    9.9MB