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Analysis

  • max time kernel
    160s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2023, 03:22

General

  • Target

    3134871e1d6aeab6d3a5ff5e23e9cde40f50b2f36ce1031403f4457958c1df08.exe

  • Size

    76KB

  • MD5

    24aa1892cc9a6e754550df904bdf242c

  • SHA1

    63bc9ac9b0ec45517191a7b2e3ededf79907e429

  • SHA256

    3134871e1d6aeab6d3a5ff5e23e9cde40f50b2f36ce1031403f4457958c1df08

  • SHA512

    8485fe49bf6d9e376a6093afe12d9e520ae87e5178e3129bc51d4d18cd3dda105ac864360f879aeb7100101e0c205a7044108c68982b97d0b9beeae48753c6e8

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOA:RshfSWHHNvoLqNwDDGw02eQmh0HjWOA

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\3134871e1d6aeab6d3a5ff5e23e9cde40f50b2f36ce1031403f4457958c1df08.exe
    "C:\Users\Admin\AppData\Local\Temp\3134871e1d6aeab6d3a5ff5e23e9cde40f50b2f36ce1031403f4457958c1df08.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:2324
    • 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:1164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    ca4f7660ec4441b11104fb403de311f1

    SHA1

    032084c95cf271545ea59b7a28e7b26e89f0df50

    SHA256

    b0165298e9d6e1494269c5ca0c98169c32f0edc271cf8582f84d0369c4be290d

    SHA512

    d39eea34a177eb58f9dcdfa84d18716e504a5c1fe2002a3fe735279612eee6f37adf9f168d728ce9f0cea5fff1ff21124dd4959dde3ce04b0ffc0d3dcad4c5c2

  • C:\Windows\System\rundll32.exe

    Filesize

    78KB

    MD5

    d2f1469a3efd615ae90b59ae68493d68

    SHA1

    b45c6d92b073327760fd5f90834caefdb78dbbd5

    SHA256

    77af6f4a128214d02f68c7e5678eaa0347ee13258afcb803de1458db09554f83

    SHA512

    919f7a2d22608e49168f5c6ec16bf07291c2de5dade2b57a110169132492e41a54d8ebedcffc1f0071533ef291f739118823566940deda8362a1aa8153640cde

  • C:\Windows\system\rundll32.exe

    Filesize

    78KB

    MD5

    d2f1469a3efd615ae90b59ae68493d68

    SHA1

    b45c6d92b073327760fd5f90834caefdb78dbbd5

    SHA256

    77af6f4a128214d02f68c7e5678eaa0347ee13258afcb803de1458db09554f83

    SHA512

    919f7a2d22608e49168f5c6ec16bf07291c2de5dade2b57a110169132492e41a54d8ebedcffc1f0071533ef291f739118823566940deda8362a1aa8153640cde

  • memory/1164-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2324-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2324-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB