Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 20:35

General

  • Target

    JaffaCakes118_4374bc7c7e064c522ad5b244f7535340.exe

  • Size

    123KB

  • MD5

    4374bc7c7e064c522ad5b244f7535340

  • SHA1

    790a9a47c4e2da8d4c3b4bc0c6dc91d623d19d88

  • SHA256

    31f2cc0bc83c8288abc45f7d57560ab13b6bae574e0944cef4da98f6fd6b3940

  • SHA512

    06d6a211611838d0cfa4286e62044f4c7b00c08f38d19df3befd32a798870a3a159d5f743349db41933df78f5d8f77030bd8c5d8d70cc21f4fffbaa4f2c5a6bd

  • SSDEEP

    3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLljqD5:OVYrJrOSsRwcpiF

Score
8/10

Malware Config

Signatures

  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 4 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4374bc7c7e064c522ad5b244f7535340.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4374bc7c7e064c522ad5b244f7535340.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\iaccess32.exe
      C:\Windows\iaccess32.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
        3⤵
        • Manipulates Digital Signatures
        • System Location Discovery: System Language Discovery
        • Runs regedit.exe
        PID:3056
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:224
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:1128

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Public\Desktop\NOCREDITCARD.lnk

            Filesize

            2KB

            MD5

            6eb65b9c9389b8319de18d97cbd79fc6

            SHA1

            8a9d501185ccb7cab5fce6f030b9319357e444e8

            SHA256

            dfc44f60d647bfd515a8c241b2953dd3b658471b58e16ec113b56afed98252d9

            SHA512

            72a34c60b51525b720f4d78e61288fae277526797a5fe1fa12777e127b42a55db7aa9ff4deeb03fff0edfc37e77f1a73ca198625ad60cf6851791184d536a48f

          • C:\Windows\SysWOW64\egaccess4_1071.dll

            Filesize

            76KB

            MD5

            b83f652ffa76451ae438954f89c02f62

            SHA1

            b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

            SHA256

            f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

            SHA512

            965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

          • C:\Windows\dialerexe.ini

            Filesize

            587B

            MD5

            2467b6db517327de4ba8a0549582b19f

            SHA1

            e81a9c551b8da351aa0d5bfeae6ab5b02bf27736

            SHA256

            ccc9290200f64d9035cc1c0cde88e9fdff10ddb3685328a0c3f38d30ab5415ba

            SHA512

            49a732b28e15d99dec418613ca3351f8738f733d7c775ab3184581d40a908711bb5551c625bdfde25afdf1760d860699373d9a935457faac4e0a7c8ca8242cd8

          • C:\Windows\iaccess32.exe

            Filesize

            123KB

            MD5

            108c8d631c72039039100658bc5ad599

            SHA1

            7a8e5c7118cd28a5b99bf9daa507748eccbb38fd

            SHA256

            eca0505983bb83f0a3b567e23b936600b8ea551584f4d2e73ab4e3080302ba4a

            SHA512

            87e2f9c781b6ae3d5c783b2a2e66ceabcace6d8a57af26bd0623408396e12ecd23caf9aaaa76937fb9d83bb4e998d08e18a9a8e9eae8b9acbf0137ec3b6aa358

          • C:\Windows\tmlpcert2007

            Filesize

            6KB

            MD5

            b103757bc3c714123b5efa26ff96a915

            SHA1

            991d6694c71736b59b9486339be44ae5e2b66fef

            SHA256

            eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

            SHA512

            d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

          • memory/224-29-0x0000000010000000-0x0000000010047000-memory.dmp

            Filesize

            284KB

          • memory/2360-4-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/2360-63-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/4328-0-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/4328-6-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB