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Analysis

  • max time kernel
    590s
  • max time network
    598s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2022, 05:32

General

  • Target

    f0d26d73b326478c0805de8f1c46da495ddd13d9de0dab8ca865b969032d2345.exe

  • Size

    500KB

  • MD5

    b625b87a9dfdc345d226e913f9f95d77

  • SHA1

    6a46bf2364024c654a0a7ee5108a0b58414df2bf

  • SHA256

    f0d26d73b326478c0805de8f1c46da495ddd13d9de0dab8ca865b969032d2345

  • SHA512

    855f4c682f37dd9ff9395d699410d14528971795caeb9af80015ceb5948eee19c00ab6dd5d6d92be664197a4cf8f8310fab7966be15f2a791e357abb70c1cbd0

  • SSDEEP

    6144:qa+tnVAIV+k9xHJyfJ4+dIE4n9xrH/vlWBRdLbyx68pjdVym/OyIOSbCCCCCC:q5tnGIV+kO1dIE4n3rlYFGx68NdV5Id

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0d26d73b326478c0805de8f1c46da495ddd13d9de0dab8ca865b969032d2345.exe
    "C:\Users\Admin\AppData\Local\Temp\f0d26d73b326478c0805de8f1c46da495ddd13d9de0dab8ca865b969032d2345.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\akk18beccc18467.bat
        3⤵
          PID:4888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F0D26D~1.EXE >> NUL
        2⤵
          PID:2620

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1064-139-0x0000000000BE0000-0x0000000000C2E000-memory.dmp

        Filesize

        312KB

      • memory/1064-141-0x0000000000BE0000-0x0000000000C2E000-memory.dmp

        Filesize

        312KB

      • memory/3224-132-0x0000000001000000-0x0000000001085000-memory.dmp

        Filesize

        532KB

      • memory/3224-133-0x0000000001000000-0x0000000001085000-memory.dmp

        Filesize

        532KB

      • memory/3224-138-0x0000000001000000-0x0000000001085000-memory.dmp

        Filesize

        532KB

      • memory/3224-143-0x0000000001000000-0x0000000001085000-memory.dmp

        Filesize

        532KB