Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 15:27

General

  • Target

    NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe

  • Size

    293KB

  • MD5

    02ca3b79c12ed28ec6eb5410b20c5df0

  • SHA1

    3a97a86b041e37414072174d7b6707a0f52f2ff5

  • SHA256

    d8a3a182fcd2773594f2055d1f54c7e558510d6a0a372ff7f721d360425aef90

  • SHA512

    5fb4a458e2e30fdf86d8d0d73a88a38d757771bf5331c3cba83bf49ada625513d9bf8bd72131211eeb652d08cc206a79660a676036586650ceaa9629f02ef40f

  • SSDEEP

    6144:GloZM+rIkd8g+EtXHkv/iD44FuHhv0IHB2PxM4d90b8e1mXi:woZtL+EP84FuHhv0IHB2PxM4deJ

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\NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.02ca3b79c12ed28ec6eb5410b20c5df0_JC.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2896-0-0x0000000000FA0000-0x0000000000FF0000-memory.dmp

    Filesize

    320KB

  • memory/2896-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2896-2-0x000000001B220000-0x000000001B2A0000-memory.dmp

    Filesize

    512KB

  • memory/2896-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

    Filesize

    9.9MB