Analysis

  • max time kernel
    140s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2024 14:32

General

  • Target

    866d09aa4300132477edc427dec47ac1_JaffaCakes118.exe

  • Size

    2.3MB

  • MD5

    866d09aa4300132477edc427dec47ac1

  • SHA1

    270d05cea6777b539c0be0ba769f9cd3785a0fe1

  • SHA256

    1b6a906de7a1a06b29bced6ef429d66e2bddfde2ad4168be6c567bef6511c51e

  • SHA512

    441b8cafdef3c498ef58cf1774e0d24844ad03d7c7503ca3309146c70e0d81a272ef98707a0e4ccad90f3daa1dce7a35a6982e75f7b1fbe61510c6ecd4d5739c

  • SSDEEP

    49152:YKpX2rKFo0aSEHv72DFGY6At2QL9XGHQ+dd:Ye2iWHv72N192H

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\866d09aa4300132477edc427dec47ac1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\866d09aa4300132477edc427dec47ac1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Users\Admin\AppData\Local\Temp\aemzzr\ssinitar.exe
      C:\Users\Admin\AppData\Local\Temp\aemzzr\ssinitar.exe -pasdfghij -d"C:\Users\Admin\AppData\Local\Temp\aemzzr\"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2348
    • C:\Windows\SysWOW64\Rundll32.exe
      Rundll32.exe "C:\Users\Admin\AppData\Local\Temp\aemzzr\notedll.txt",acMainDos C:\Users\Admin\AppData\Local\Temp\866d09aa4300132477edc427dec47ac1_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c .\danulev1.bat
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2992
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E557E507-B8EF-49D2-87D7-DD569EF8A081} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\aemzzr\setup.exe
      C:\Users\Admin\AppData\Local\Temp\aemzzr\setup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\aemzzr\notedll.txt

    Filesize

    829KB

    MD5

    c541b102f1b7f294296a523febb87a81

    SHA1

    c2710fda42b2f17579cb95c04406768779981028

    SHA256

    c26fdf9b19cb9be617dc24d38e94f987ed1cd39ffbebf25e0d924b5bacf42a34

    SHA512

    592d52f4ccd5acd6da3316dd46b448c76de4549da1be61498032196d7e226c6745490570104991f4a6614b91f23eb9b6b867638053816b74279bbd0b8d9de7b2

  • C:\Users\Admin\AppData\Local\Temp\aemzzr\setup.exe

    Filesize

    601KB

    MD5

    b449bc2771663eea928734b4c60f009d

    SHA1

    950a100b8b8e514f06500729a3dd067a41f83b5f

    SHA256

    6f49ae9ee37bf1ae96940ca24be6789924f197d15ee1c77e716dc08d7e1aa1ab

    SHA512

    c8d6081da307c56c29a8c420bf76c37bf620305b5b414e5c8a1af841af53174d6ddaa0b2bccd48c0a642800bcc9716445dba967abf0772795ec5cd5d3a50851a

  • C:\Users\Admin\AppData\Local\Temp\aemzzr\setup.txt

    Filesize

    601KB

    MD5

    44d1a3cfd72a3a9600ac9317496495e5

    SHA1

    c92a31aa30bca4ed972ad2d1cc02449fdf14b9ad

    SHA256

    e588f2bf80b522d41a215ecb3f7b0f32eac72b823a809f4d0d224a9363760c81

    SHA512

    bdd631f7f3f183f34bdb155c0e893bf36d8f09b5431aada607bfd033033b6cdf19c77a6eeb08329b944987802666a2d3647a13804abb25b81313a3be26c9132f

  • C:\Users\Admin\AppData\Local\Temp\danulev1.bat

    Filesize

    372B

    MD5

    588d863b125c36e24e654cb57357715a

    SHA1

    2a2082f925aaf1e8320685da00c4f9a6f3f00e38

    SHA256

    9e99fe2d8a2ad319dd5b23ce97ba4f82f9341389aae59fab89c5846ef37ec9b9

    SHA512

    e20d51ff4a8c56bc7ac0cb537cb7e845694e61004121d0e1562d32291234bd8ccfc0f57c8914d2a47044c66f4b1ca927c2f45fbc12bb720bcd379f75db0af69a

  • \Users\Admin\AppData\Local\Temp\aemzzr\notedll.txt

    Filesize

    829KB

    MD5

    4249535810df866cabfaa0de63562d82

    SHA1

    713309cc07f040f76e260f0021c28de9b226f87f

    SHA256

    02f0eb50d239c3892244ab357e13885c4e8f3dac6cbfd3221aa58524ecc95ed0

    SHA512

    d85b6d590278d08ac612d888da057d070117f0c631ff8dbe7567143175efde465c9c75c9ebe99e77179b66c5aa0dfed6f2d3ca411ef040164d20de4d05cbe074

  • \Users\Admin\AppData\Local\Temp\aemzzr\ssinitar.exe

    Filesize

    1.5MB

    MD5

    ad8658adfe0fbde2977e50313554c7a4

    SHA1

    828b72519eddd61b749e67fbf46bd760441c02d0

    SHA256

    fcaf7cad12d038fb8ac7582b57933e142ce0e48926303541d8168b64d1f72f5a

    SHA512

    6e7c5b01f8bbaea8da9684b58fa53cc88bfa5c1788b339628b235bc7884743dda182f0bde116ba4b2613553fb7e083089fa100e51350e7b89bcc5e5f3a2481f3

  • memory/2200-20-0x0000000000AF0000-0x0000000000BC6000-memory.dmp

    Filesize

    856KB

  • memory/2348-13-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2560-0-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2560-29-0x0000000000400000-0x0000000000650000-memory.dmp

    Filesize

    2.3MB

  • memory/2752-35-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2752-36-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2752-37-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB