Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2023 16:05

General

  • Target

    NEAS.Syncronized20exe_JC.exe

  • Size

    378KB

  • MD5

    f722fd75ed010251ca9ea71a34c480f0

  • SHA1

    7e2edd16c5f0f25afb209cd9667421ee5c57ebb9

  • SHA256

    818603cc9f08d52c05d296d894d22b8b922e43d07e5181fe2f812866cb72955c

  • SHA512

    4c4c52297215984170b516c26e97cb5132ab9f95449449cd3c99a53cd1039e4f8c51692a32768321da3bdf6da4ee8b55bb7a0f44346d11a69750094c990d34cb

  • SSDEEP

    6144:FloZM+rIkd8g+EtXHkv/iD4eE/KrVOsTPkyFQu//OoEb8e1mOQC6i:HoZtL+EP89/KrVOsTPkyFQu//Ohn/

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 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.Syncronized20exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.Syncronized20exe_JC.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/428-0-0x0000021B79E30000-0x0000021B79E94000-memory.dmp

    Filesize

    400KB

  • memory/428-1-0x00007FFCBE2D0000-0x00007FFCBED91000-memory.dmp

    Filesize

    10.8MB

  • memory/428-2-0x0000021B7C410000-0x0000021B7C420000-memory.dmp

    Filesize

    64KB

  • memory/428-4-0x00007FFCBE2D0000-0x00007FFCBED91000-memory.dmp

    Filesize

    10.8MB