Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 11:27

General

  • Target

    7fb9b5d6c809318c0f4757ba245f6302.exe

  • Size

    598KB

  • MD5

    7fb9b5d6c809318c0f4757ba245f6302

  • SHA1

    037a18b0fc5656f1714b59628249fc6b20b3af57

  • SHA256

    208ec739072925c9c23ec8f7ab27168acfa9c63dc15d32dddd9a4d3c83116b97

  • SHA512

    8fbf569e05bd748bc44681230c84049a9f5f3c5d9fa398338f313353e1ef3ce193187ea7949c239b7d369bae616dbf464a0916ba5365798566ff36abd2b542c0

  • SSDEEP

    6144:rhYsafa0idunTIPDan9xTy2VTk0xfdI3QPTYiEYKB6eTBh+:rWlfiunTIe9hTk0xlI30TYUHeT

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fb9b5d6c809318c0f4757ba245f6302.exe
    "C:\Users\Admin\AppData\Local\Temp\7fb9b5d6c809318c0f4757ba245f6302.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\ProgramData\PULxfCSq\svchost.exe
      "C:\ProgramData\PULxfCSq\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      PID:4512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 1036
        3⤵
        • Program crash
        PID:2132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4512 -ip 4512
    1⤵
      PID:2444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\PULxfCSq\svchost.exe

      Filesize

      603KB

      MD5

      1d7f8ff71ede62e632ec8dd30fb0032d

      SHA1

      f84e4abf3bf72fa5ff26940b7e2edc5ca0d3b0b0

      SHA256

      2f928ed9bf3aeb7f5dd78e17d5b5c9cace73bb4961ad00ec787bfe31abbe8aba

      SHA512

      41945d44af746b4194066c1d5b8275ee22daa87589a623fd662f6dc15d7230e3b00075263dfa3976a475f8a904ccf733c3dc15e85086db0ddd67d639b7c38925

    • memory/2772-0-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/2772-9-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4512-8-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4512-12-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4512-22-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB