Overview

overview

7

Static

static

ulti_final.scr

windows7_x64

7

ulti_final.scr

windows10_x64

7

Analysis

  • max time kernel
    11s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    22/10/2020, 06:28

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General

  • Target
    ulti_final.scr
  • Size 5.8MB
  • Sample201022-e6crlxmkfj
  • SHA256 4ddfd623ef499cb59cd55be3a72e22acefb23488d1631692baaff001471b2bea
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 13 IoCs
  • JavaScript code in executable 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ulti_final.scr
    "C:\Users\Admin\AppData\Local\Temp\ulti_final.scr" /S
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\ulti_final.scr
      "C:\Users\Admin\AppData\Local\Temp\ulti_final.scr" /S
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Windows\SYSTEM32\wscript.exe
        wscript Xxkg6.vbs
        3⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3868
        • C:\Windows\System32\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\ProgramData\Microsoft Essentials\Software Essentials.vbs"
          4⤵
            PID:1752

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads