Analysis

  • max time kernel
    30s
  • max time network
    14s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 13:32

General

  • Target

    Solara/Solara Installer.exe

  • Size

    328KB

  • MD5

    4f7415acf4f5a898dd0ea6e7924137e2

  • SHA1

    13f5917af6bbf1f1f98633ac18532d8a43c2d92e

  • SHA256

    c182f999bccd715dd8dfd60b2c212ceaec08bad843ee95ecef3abf6230b7a447

  • SHA512

    eb903b09428f8ef8ba349a507a73627875096a4952ed768c640752b6bf1019a0ea1ca88246928055ba8591666de4dbfbf58bab65fc12e7544d013e13e838feb9

  • SSDEEP

    6144:iloZM+rIkd8g+EtXHkv/iD4CzaYSx6PTg8e1mHisxBt25:soZtL+EP8CzaYSj9sxBt

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\Solara\Solara Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara\Solara Installer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4116-0-0x00007FFEEE0C3000-0x00007FFEEE0C5000-memory.dmp

    Filesize

    8KB

  • memory/4116-1-0x00000233DE860000-0x00000233DE8B8000-memory.dmp

    Filesize

    352KB

  • memory/4116-2-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

    Filesize

    10.8MB

  • memory/4116-4-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

    Filesize

    10.8MB