Analysis

  • max time kernel
    135s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 12:57

General

  • Target

    SolaraFixer.exe

  • Size

    231KB

  • MD5

    8bef46b57ddddec3d0d140f6f8d4b68e

  • SHA1

    549b51f7d1106f186de8d3594d55dcac22a6f8fc

  • SHA256

    360d3cef3d330c1930e318277939ab1c7db6c969f23be5d385b93f5faef3b4d2

  • SHA512

    5e9442c00355f5aea64b787658e7b390e5f53d1709bb4ce951db3e363b91fde46cd70d2262ddd9d06c1e21a72a2728821065d87c213ce86020a620ba468458f7

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4HlYrU69VenbGkFZw36b8e1mzCi:joZtL+EP8HlYrU69VenbGkFZwWeX

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 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SolaraFixer.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraFixer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3160-1-0x0000024843520000-0x0000024843560000-memory.dmp

    Filesize

    256KB

  • memory/3160-0-0x00007FFAC20B3000-0x00007FFAC20B5000-memory.dmp

    Filesize

    8KB

  • memory/3160-2-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

    Filesize

    10.8MB

  • memory/3160-4-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

    Filesize

    10.8MB