Analysis

  • max time kernel
    146s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-en
  • resource tags

    arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-11-2024 13:32

General

  • Target

    EacBypassGLOBAL.exe

  • Size

    312KB

  • MD5

    312f3cb6ec13f32fa7e70ca7717fdfe4

  • SHA1

    6324c2bb52adcf190dcdf41acd426599751da68f

  • SHA256

    b76766976849bada142b6825d45e1a0b4054dc948a990f7fa8cd8291c1731ba4

  • SHA512

    bc3ba54a285b1d714b86e558d6e65fd2e9a1c87b7977cf4345451148fbabfbd9563d732237ee26bb06471b8c39b25bbdd64deed19c87e646fb116c3080374a1c

  • SSDEEP

    6144:1loZM+rIkd8g+EtXHkv/iD4ndCljpaC9mop7mGzdwb8e1mXiM6hd39hikTH1:XoZtL+EP8ndCljpaC9mop7mGzS9L3z

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\EacBypassGLOBAL.exe
    "C:\Users\Admin\AppData\Local\Temp\EacBypassGLOBAL.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2900

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4592-1-0x000002477C9C0000-0x000002477CA14000-memory.dmp

    Filesize

    336KB

  • memory/4592-0-0x00007FF878853000-0x00007FF878855000-memory.dmp

    Filesize

    8KB

  • memory/4592-2-0x00007FF878850000-0x00007FF879312000-memory.dmp

    Filesize

    10.8MB

  • memory/4592-4-0x00007FF878850000-0x00007FF879312000-memory.dmp

    Filesize

    10.8MB