Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 08:01

General

  • Target

    0435efb696d90b496f4dcd1ed76634f0_JaffaCakes118.exe

  • Size

    70KB

  • MD5

    0435efb696d90b496f4dcd1ed76634f0

  • SHA1

    4c0af2b33c5bd3895fd9a3408360eb945e710af7

  • SHA256

    11ce42e2efb7fd927d04b1e4dd8577be06631fca42ed310249fd5744713c9b96

  • SHA512

    80f511e23130d9266909516561063f33cc8e6bf9f0c39a4d28f2117c19b8e48c7901c10d793a9288f2e7b0bc159da0ebda3cef29333150a92b129da6a314dce5

  • SSDEEP

    1536:VPnkP4DhPlgfh1Ag7v2ICzA/MeZdJxJHrtuy90CJvQPISkj1TTTTMX8u9:p84DI5CICzA/RdJxJHrtuy9nVTTTTMXP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 46 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0435efb696d90b496f4dcd1ed76634f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0435efb696d90b496f4dcd1ed76634f0_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Windows\SUGUZEFHWD.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4988
    • C:\Users\Admin\AppData\Local\Temp\RefuteAnachronism.exe
      "C:\Users\Admin\AppData\Local\Temp\RefuteAnachronism.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:4380
    • C:\Users\Admin\AppData\Local\Temp\RefuteAnachronism.exe
      C:\Users\Admin\AppData\Local\Temp\RefuteAnachronism.exe
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\ParchmentFantasia\LicitAntediluvian.exe

    Filesize

    70KB

    MD5

    0435efb696d90b496f4dcd1ed76634f0

    SHA1

    4c0af2b33c5bd3895fd9a3408360eb945e710af7

    SHA256

    11ce42e2efb7fd927d04b1e4dd8577be06631fca42ed310249fd5744713c9b96

    SHA512

    80f511e23130d9266909516561063f33cc8e6bf9f0c39a4d28f2117c19b8e48c7901c10d793a9288f2e7b0bc159da0ebda3cef29333150a92b129da6a314dce5

  • C:\Users\Admin\AppData\Local\Temp\RefuteAnachronism.exe

    Filesize

    28KB

    MD5

    619b4cf619eaebe531bb252e99cdd23b

    SHA1

    75131437e0039afc65aca67a7a54885b58b8054e

    SHA256

    cb6686fe656cba89761f291c52a77f9f5d9c50fa20d277d4e2e1bfa122e02402

    SHA512

    40a84a0a5b9246cff882a12e76b1e014fb9b6f018a637402f74bfd24155dd64b7a1ff519907a1e24b64ca1382a191adf6d29499d8f340426cb6876cd2fe3e6d3

  • C:\Windows\SUGUZEFHWD.dll

    Filesize

    102KB

    MD5

    7c6c8aae4ee93e1133482982ae4b43e8

    SHA1

    b8ed7dfbf980a5ddae7865c917bbb58be04c51d2

    SHA256

    21b8102e9af67f442fbdac2bc7b75ec739a4fd32816cf879d73af9fc133bb994

    SHA512

    0a562fa4aa0c46da2297df655dfdbf822a3b5fbe1f095dbb441bdbd874c753d7da2ee764516513fb5d39eeb2072458e2c67068148943acf7bd70e5308ac3ca35