Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-05-2024 08:43

General

  • Target

    RobloxsClient.exe

  • Size

    229KB

  • MD5

    663e1b4816d16fad7d5790d8fc165642

  • SHA1

    e4f07dce25baeaf159ea532bec52182fb3c98476

  • SHA256

    43ac88fdf90508b4cae3f2607e028babe769e5b75549f8c68eac8c0610ec7d7e

  • SHA512

    5a29f10a7b9398e44d07007582d4bee8bd281d4d0db0503a96bae52b3ea5a0ec05044eb531040a5ba6ab296a6bafd09898324e6711f6818371d37eb25f16b530

  • SSDEEP

    6144:FloZM+rIkd8g+EtXHkv/iD4K2hFecjfUt1gevPeHOb8e1m+Ni:HoZtL+EP8K2hFecjfUt1gevPeSfE

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\RobloxsClient.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxsClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2568

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2320-0-0x000007FEF52B3000-0x000007FEF52B4000-memory.dmp

    Filesize

    4KB

  • memory/2320-1-0x00000000013E0000-0x0000000001420000-memory.dmp

    Filesize

    256KB

  • memory/2320-2-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

    Filesize

    9.9MB

  • memory/2320-3-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

    Filesize

    9.9MB