Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 11:41

General

  • Target

    CODEMCFA.exe

  • Size

    231KB

  • MD5

    9503a8b58a6162341186e7376beed76f

  • SHA1

    1076edc775b7a770b4908ff8a961d6db50489ca0

  • SHA256

    149e3d957ea166e513bfdf2152403b27e75ae5fe110bae79b2104fdab6f8f6b3

  • SHA512

    f2f19b80e2d369c49d9dcc25fda842c28b31baca6f78528c2074591251a947e55978173ffc72f341fbb0959219470080ad59f2f7868661d903494a308e3a1f96

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD48xntPlO2ZTc1niinND1b8e1mXKDi:joZtL+EP88xntPlO2ZTc1niinNZI5

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • 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\CODEMCFA.exe
    "C:\Users\Admin\AppData\Local\Temp\CODEMCFA.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2440-0-0x000007FEF5C83000-0x000007FEF5C84000-memory.dmp

    Filesize

    4KB

  • memory/2440-1-0x0000000000BF0000-0x0000000000C30000-memory.dmp

    Filesize

    256KB

  • memory/2440-2-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

    Filesize

    9.9MB

  • memory/2440-3-0x000007FEF5C83000-0x000007FEF5C84000-memory.dmp

    Filesize

    4KB

  • memory/2440-4-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

    Filesize

    9.9MB

  • memory/2440-5-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

    Filesize

    9.9MB