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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2024, 21:59

General

  • Target

    Token_gen_NEW-1/Token gen NEW.exe

  • Size

    227KB

  • MD5

    8bbae925a80cc6308db0cd883f0581ec

  • SHA1

    e87e29da57a338511cb9e01cd724b06db038b220

  • SHA256

    95b70d9c016dcbf42a26364d2c5df1de069fe9628effab99074bcc713de8f96f

  • SHA512

    d83778a3146f4ede9c43c70463665697b4fbf14e3f553353698ed797581f166a40ec0c9c77b6efd8c1d5bd650e4e9e6abb35293de43c7d259983a7a2958af093

  • SSDEEP

    6144:MloZM+rIkd8g+EtXHkv/iD4p5zVYe5xymXKYZd8goPJb8e1mHXi:KoZtL+EP8p5zVYe5xymXKYZd81Ky

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 2 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\Token_gen_NEW-1\Token gen NEW.exe
    "C:\Users\Admin\AppData\Local\Temp\Token_gen_NEW-1\Token gen NEW.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2164

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2144-0-0x00000000011F0000-0x0000000001230000-memory.dmp

    Filesize

    256KB

  • memory/2144-1-0x000007FEF5750000-0x000007FEF613C000-memory.dmp

    Filesize

    9.9MB

  • memory/2144-2-0x000000001B0F0000-0x000000001B170000-memory.dmp

    Filesize

    512KB

  • memory/2144-3-0x000007FEF5750000-0x000007FEF613C000-memory.dmp

    Filesize

    9.9MB