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Analysis

  • max time kernel
    102s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 04:06

General

  • Target

    2a8c76c149b7b31f27e2533ecbba80bf_JaffaCakes118.exe

  • Size

    688KB

  • MD5

    2a8c76c149b7b31f27e2533ecbba80bf

  • SHA1

    2036898e4b4eb8a5740e1eb090f6ae61483c5fae

  • SHA256

    b63b9ab36b8e6fcaf0c5455c09c76d4db231fdc0fe0077c227b9d61d4a6cd624

  • SHA512

    f800af2deefa1f4cb620325c8046590ec48b3fb4240fc1bd660d7ee38646d8d451d75baf0a882b00a000ce2590c01824597d244586a3d7b7860ef0e29d19629e

  • SSDEEP

    12288:6F0rjvmwGruGzL8LcKsgMxOYctIg5x4zs0XmVSu/nX1ns4t:6FYT4rnLWFMxnctIgcs0Xi/X6

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a8c76c149b7b31f27e2533ecbba80bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a8c76c149b7b31f27e2533ecbba80bf_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\A7C9.tmp,_IWMPEvents
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4184
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" delete HKLM\System\CurrentControlSet\Control\Safeboot /f
      2⤵
      • Impair Defenses: Safe Mode Boot
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:4596
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" delete HKLM\System\ControlSet001\Control\Safeboot /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:1652
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" delete HKLM\System\ControlSet002\Control\Safeboot /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:384
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings /v PrivacyAdvanced /t REG_DWORD /d 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:2904
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 /v {A8A88C49-5EB2-4990-A1A2-0876022C854F} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152a /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:4164
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 /v {AEBA21FA-782A-4A90-978D-B72164C80120} /t REG_BINARY /d 1a3761592352350c7a5f20172f1e1a190e2b017313371312141a152a /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:3876
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2A8C76~1.EXE >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A7C9.tmp

    Filesize

    580KB

    MD5

    d9a94bb51481ebb656569f018bae0d6a

    SHA1

    facb4322408b323483458ef44c9f6038460b2f25

    SHA256

    14d5cbec3f0d8a0afadceabd40ff072c802598f0abdebf0ff4dea5dfd3931c06

    SHA512

    f99c52250a4f69f329b23864f1a5fc09af5e659bf0822a0e18cf75ce421b6c1b85e2ab74b0c5ed8e29a73c37c7c92c18a2162259feb9c8dd64c4a3e6d1455736

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\scandisk.lnk

    Filesize

    1KB

    MD5

    f72ce4993ad6d29dbd32e99365ea5fe1

    SHA1

    019b60f3ac7d6013d4d927183a2cdf1da0a51601

    SHA256

    b07a8d94bcefc572e7e95e176e60d01788e301d90440b0ffde837c28a64dd0ec

    SHA512

    e9a655daf6923c275955484c6b8f99da6bd89b3b86f5f7f2979e6173c638cbf0ab0b517fe35be54a4ef38881e2b50017391a49ef8617b54e8bbc3efb138f91d4

  • memory/3868-63-0x0000000002700000-0x000000000277D000-memory.dmp

    Filesize

    500KB

  • memory/3868-45-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-65-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3868-62-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-64-0x0000000002820000-0x0000000002821000-memory.dmp

    Filesize

    4KB

  • memory/3868-2-0x0000000000490000-0x00000000004A0000-memory.dmp

    Filesize

    64KB

  • memory/3868-57-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-1-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3868-49-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-3-0x00000000009D0000-0x0000000000A64000-memory.dmp

    Filesize

    592KB

  • memory/3868-53-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-55-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-58-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/3868-36-0x0000000002700000-0x000000000277D000-memory.dmp

    Filesize

    500KB

  • memory/3868-39-0x0000000002700000-0x000000000277D000-memory.dmp

    Filesize

    500KB

  • memory/3868-40-0x0000000002BC0000-0x0000000002BD8000-memory.dmp

    Filesize

    96KB

  • memory/3868-51-0x0000000002BE0000-0x0000000002C01000-memory.dmp

    Filesize

    132KB

  • memory/4184-16-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-30-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-20-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-22-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-26-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-28-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-29-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-24-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB

  • memory/4184-11-0x0000000002D70000-0x0000000002D88000-memory.dmp

    Filesize

    96KB

  • memory/4184-10-0x0000000000CF0000-0x0000000000D6D000-memory.dmp

    Filesize

    500KB

  • memory/4184-7-0x0000000000CF0000-0x0000000000D6D000-memory.dmp

    Filesize

    500KB

  • memory/4184-67-0x0000000002DB0000-0x0000000002DD1000-memory.dmp

    Filesize

    132KB