Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2024, 20:24

General

  • Target

    Neverlose.exe

  • Size

    231KB

  • MD5

    2a9d5da0bb69d53e1b68178bc63e9390

  • SHA1

    b1170f7ca36ea613188a272dc8ff8720a586de3a

  • SHA256

    b575e722311556b67bc4f2ff77470063e5453e8f9952ddcd33afec9bdefc3902

  • SHA512

    372288f96c8d39cba9529e7c44ce4b083eddf50dc3c3317b7b97c02d07018cdc2e0913da3e8309d548f80d68c95b9dd65e4febd4d7ca3b4d6a8df3360cf6aca3

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4ZvHYe5xypXKYZd8ZC6lY8e1mGi:joZtL+EP8pHYe5xypXKYZd8dk2

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\Neverlose.exe
    "C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2756-0-0x000007FEF6403000-0x000007FEF6404000-memory.dmp

    Filesize

    4KB

  • memory/2756-1-0x00000000009C0000-0x0000000000A00000-memory.dmp

    Filesize

    256KB

  • memory/2756-2-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

    Filesize

    9.9MB

  • memory/2756-3-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

    Filesize

    9.9MB