Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 07:46

General

  • Target

    0x0007000000015f71-121.exe

  • Size

    229KB

  • MD5

    06129ffc46e854930cfcaa754ca1d487

  • SHA1

    e7c173c48aa107ec63bd6f9030c9ec6fe889d832

  • SHA256

    10d28e18a7df4b2c30e05e5e361f1724e0b6ea8c021d8105ee30354be79b98d1

  • SHA512

    b7121a2a65f317edbc1b4dd8dec427c277fad2b521a211d1408bc06b79431c418dad32ed61481c5ef49511cd167846e026a86147ae77bd9b0e607918feb66ab9

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD4OUCKbhS6FOAxDeebn4b8e1mSTi:voZtL+EP8OUCKbhS6FOAxDeebAo

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\0x0007000000015f71-121.exe
    "C:\Users\Admin\AppData\Local\Temp\0x0007000000015f71-121.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2540

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3020-0-0x000007FEF6543000-0x000007FEF6544000-memory.dmp

    Filesize

    4KB

  • memory/3020-1-0x0000000001060000-0x00000000010A0000-memory.dmp

    Filesize

    256KB

  • memory/3020-2-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

    Filesize

    9.9MB

  • memory/3020-3-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

    Filesize

    9.9MB