Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2024, 03:13

General

  • Target

    c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe

  • Size

    5.1MB

  • MD5

    c22bb640af450ee76e5b190ecd2219ea

  • SHA1

    875a38d9ec7c813acf71767ce80628752fa8315d

  • SHA256

    ca97632b8bcd4b099c546dc9c7929528241ecfdd4bf6c4b27db9d746132d3204

  • SHA512

    66af7fc149d0eccf3af8385f0000b2de6698f872308e092c26c8d3dd263354f05822ef48b494fbd4c1481e8df86f88ebb3d873adb8f9bfca38829a968d6ad08c

  • SSDEEP

    98304:i0qh0r0q2wf02GzMwDws0q40q0qC0FwwRZHwNwYwx0qJ0nwQ0Z0q/Npww2ewl0qi:i7effIPEsy58doQaTxLhQyZbIly38doX

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 4 IoCs
  • Sets service image path in registry 2 TTPs 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 3 IoCs
  • UPX packed file 14 IoCs

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

  • Adds Run key to start application 2 TTPs 12 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5092
      • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1440
      • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4600
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:2160
    • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\c22bb640af450ee76e5b190ecd2219ea_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:4336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

          Filesize

          1KB

          MD5

          7fb5fa1534dcf77f2125b2403b30a0ee

          SHA1

          365d96812a69ac0a4611ea4b70a3f306576cc3ea

          SHA256

          33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

          SHA512

          a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

          Filesize

          436B

          MD5

          971c514f84bba0785f80aa1c23edfd79

          SHA1

          732acea710a87530c6b08ecdf32a110d254a54c8

          SHA256

          f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

          SHA512

          43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

          Filesize

          174B

          MD5

          87c931476e746340f3357aaf40dfaa06

          SHA1

          84cbb67c61f6d44b114256b592220c1ad98f5682

          SHA256

          45a44f67c8201597382a18b184db9e5ec8794487b4879147d68d0fb375bbe761

          SHA512

          c6a13b0ce8817b4e2598b6be6f21a07b1d86b538186f2f8fa7e89ffe0b7a13588f553aa0d1231a61548c829d63ff4dd7846001824a8f145d6a0b1de478cfcbec

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

          Filesize

          170B

          MD5

          94e3cca1a829200e67aa4e7ebb06b9d0

          SHA1

          8ccc325700bf7dc0eabc756a257c7a678d83879d

          SHA256

          174276d3b8899bde031909f8dd3bc1118475e4fa17a722269f83ade248b4c139

          SHA512

          671bc6fb0e846b35e730262541a468599b6457016d3a9ccdd05ccb131c2fe9e068290b61f0aed8119f0c85b5c7d9a43e06018ebb80a09e8f4fbc719f981e681e

        • C:\Users\Admin\AppData\Local\cftmon.exe

          Filesize

          5.1MB

          MD5

          55a52cedd8ebb985d6e3f3c0b83a0cca

          SHA1

          5dd69240a0e54cc3e93fd23c4bb219f3e443dfde

          SHA256

          b0e0f9f05bfae4875f44b8ad2f2bfb19ea5205f70a1ccbac1be5342067148caa

          SHA512

          54c9595a5db1097a1bb3eb7e148d35b7081c928f76cceddedcf5b2997a0d34b466c3897f63a1dc1b397612ab3a623dd0e99214b30c824520e51132edd15152bd

        • C:\Windows\SysWOW64\drivers\spools.exe

          Filesize

          5.1MB

          MD5

          53fc3e40c003e20d366f5edbeffaa0b0

          SHA1

          0c56c06369163d3b8b1325dd22e336d9f5d7d169

          SHA256

          eecf4c3aa5ca97bde5e3f670553300f96ee5eec75b0645c3f2e58d6fbf893714

          SHA512

          50206da1eb68587bd8518cad6835aba47ce3130912e2aa19f846bb38b34dba0626f24a220352757b0258b67679ffa0d713fff6769569f13485fb32cfe71d3747

        • C:\Windows\SysWOW64\ftpdll.dll

          Filesize

          5KB

          MD5

          d807aa04480d1d149f7a4cac22984188

          SHA1

          ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

          SHA256

          eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

          SHA512

          875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

        • memory/1072-32-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1440-29-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

        • memory/1440-30-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4336-44-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4600-43-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4600-45-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

        • memory/5004-0-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/5004-13-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

        • memory/5004-14-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/5004-12-0x0000000010000000-0x000000001010B000-memory.dmp

          Filesize

          1.0MB

        • memory/5092-31-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB