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Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 04:32

General

  • Target

    3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe

  • Size

    81KB

  • MD5

    39946c783d92988d63d627ec98e0077c

  • SHA1

    234072a15b1cb89fbde180d4a2380871ba6d04e2

  • SHA256

    3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086

  • SHA512

    b8280ce9f5a420ab2164ace726f2f88e02ace732c1e59b8de47b2e3ca434a792b54c32a3972af2d20d2250f247f190cf2f865d56376e3a438c1b8b50a490092f

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO0j:RshfSWHHNvoLqNwDDGw02eQmh0HjWOg

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe
    "C:\Users\Admin\AppData\Local\Temp\3235913053e2fadfc2cead1cb4045a32d70edbee63d73f6ae31489675cf4a086.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    82KB

    MD5

    4231978b8f669707cecb59fc7e2e6c58

    SHA1

    cd73f4c623f4ab57135f1f58bbdd5974b7895adc

    SHA256

    39e53e7ff822e74af48737c8596c36d9adb6eb4b2364e39bc9ff7fc553a91551

    SHA512

    d2a49b01ac53e7bd7f431128f223a806274da135ae26701481f9e5536a06d1618e9ff2ad8d1de88a2475d531da1e104cd598689fbb95143b608c48402bdadee1

  • C:\Windows\System\rundll32.exe

    Filesize

    82KB

    MD5

    62b2f9915ac9cd0116c955759e487aac

    SHA1

    e643084f7b3eb835fcee0e8fe8a4ae320fc3e567

    SHA256

    c4837c7dd23db8356b2b894becfbcd308f38f1a2a52708f729e1bdc395e64179

    SHA512

    5edf6d8222dc9cd1ad8c08cf68471e41b2579df2527acad2392d512822181817147b732e105ed4fd2ab34d2ad8609045631d6b305b494d8ff8fd09efa1c65c57

  • C:\Windows\system\rundll32.exe

    Filesize

    82KB

    MD5

    62b2f9915ac9cd0116c955759e487aac

    SHA1

    e643084f7b3eb835fcee0e8fe8a4ae320fc3e567

    SHA256

    c4837c7dd23db8356b2b894becfbcd308f38f1a2a52708f729e1bdc395e64179

    SHA512

    5edf6d8222dc9cd1ad8c08cf68471e41b2579df2527acad2392d512822181817147b732e105ed4fd2ab34d2ad8609045631d6b305b494d8ff8fd09efa1c65c57

  • memory/1748-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3480-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3480-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB