Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2024 07:21

General

  • Target

    e9585371c2455ea483f3603b5cf1f9d5756e2539bdaabcf91349f19007c59d42N.exe

  • Size

    312KB

  • MD5

    2f2364e31c5e0194321d8ef18948ca60

  • SHA1

    164d0848c47557ab54fa08a1e21214d93ee79db9

  • SHA256

    e9585371c2455ea483f3603b5cf1f9d5756e2539bdaabcf91349f19007c59d42

  • SHA512

    20ea520f1b5b928f1a249c8240edeb646d33cefd4b31b41fdd7b1dd80f4e18670008d262b7e617d033c2d8049032a7a03007fd5d865e32d1e0bbabacd388ab6f

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4kBO8n9GuBm0dP6aP4Pb8e1m3iQsAGPi5PzRgJZc5:noZtL+EP8kBO8n9GuBm0dP6aPCxQsVGC

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\e9585371c2455ea483f3603b5cf1f9d5756e2539bdaabcf91349f19007c59d42N.exe
    "C:\Users\Admin\AppData\Local\Temp\e9585371c2455ea483f3603b5cf1f9d5756e2539bdaabcf91349f19007c59d42N.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2100

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2540-0-0x000007FEF5643000-0x000007FEF5644000-memory.dmp

    Filesize

    4KB

  • memory/2540-1-0x0000000000DD0000-0x0000000000E24000-memory.dmp

    Filesize

    336KB

  • memory/2540-2-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

    Filesize

    9.9MB

  • memory/2540-3-0x000007FEF5640000-0x000007FEF602C000-memory.dmp

    Filesize

    9.9MB