Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 18:39

General

  • Target

    WaveInstaller.exe

  • Size

    229KB

  • MD5

    7ca49c1e4deac51030961240dc071e44

  • SHA1

    dbe976f4e1ca8476cf35105e214e98c071bdb601

  • SHA256

    c4969a3f443dc0c21066c9b801a86d8802585ed708f209cd418d0252541884bd

  • SHA512

    cb70825c4cebc592cfe281214f3a614a5a0eac78dac3cc0a5da7116b9d2eb5af718745067c0c7be3b2957c3ddade18416171863490d40c0bec8162e0322303ae

  • SSDEEP

    6144:FloZMZrIkd8g+EtXHkv/iD4SpQvDJ6id1IJbGmTuOb8e1mBi:HoZ6L+EP8SpQvDJ6id1IJbGmT5D

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2452-0-0x000007FEF57A3000-0x000007FEF57A4000-memory.dmp

    Filesize

    4KB

  • memory/2452-1-0x0000000000230000-0x0000000000270000-memory.dmp

    Filesize

    256KB

  • memory/2452-2-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

    Filesize

    9.9MB

  • memory/2452-3-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

    Filesize

    9.9MB