Analysis

  • max time kernel
    147s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2024, 10:47

General

  • Target

    17c68e452dc580d1d13839152dd7f5cf_JaffaCakes118.exe

  • Size

    520KB

  • MD5

    17c68e452dc580d1d13839152dd7f5cf

  • SHA1

    37da16ca017e6e71ff3e7cb400c7730dd6367474

  • SHA256

    69aeb7890b064c9ad9eea45cd2417c2b0efbae19680814bd81b42108f3231296

  • SHA512

    ea5b6e6ee54004d7aa57d9fd0ed304b0e2a6db641144f84a5bf26704657cf5511512f5cc0aeab935406932f2732826157b83f2609e3ba1f54bf1cc6920dd5970

  • SSDEEP

    12288:qJupwI3iV2ENXh2mqBMi/n+usQe2dG1p0CCbbQrLY8MkK2G0:qPI3Q2yh273v+seqG1p07H8MkfG0

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 49 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

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

  • Drops file in System32 directory 19 IoCs
  • Drops file in Windows directory 13 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17c68e452dc580d1d13839152dd7f5cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\17c68e452dc580d1d13839152dd7f5cf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\70l8.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\03ca.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2588
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\da3r.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2868
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\8ado.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2940
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s "C:\Windows\system32\8ado.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2552
    • C:\Windows\SysWOW64\aaad.exe
      C:\Windows\system32\aaad.exe -i
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2672
    • C:\Windows\SysWOW64\aaad.exe
      C:\Windows\system32\aaad.exe -s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1676
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32\830e.dll, Always
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:756
  • C:\Windows\SysWOW64\aaad.exe
    C:\Windows\SysWOW64\aaad.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32 C:\Windows\system32\830e.dll,Always
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\b.dll

          Filesize

          228KB

          MD5

          0a2ed118d197baf73219be2b85ac6572

          SHA1

          454393629e515e9cd942e823e2a37b40fb424a5c

          SHA256

          dd75dd5795f50c516b7749251cc9513b8f41d2c617e358bc2e2d46b6c8c1e0a3

          SHA512

          8017bbb6f5b4d4f893f69d1eedeb6f365c22bba98ae81eb721adcbcf031083a4fb78d3bad4844651298eb47aaeb550c17f4eedd7a72005564d6169b0080ef9dd

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\p.dll

          Filesize

          424KB

          MD5

          db749aaf5b79dcec330464f26ff51bc5

          SHA1

          42495c238d95b71c45923e270d98832be795ad32

          SHA256

          0fcf9fc0932346eadfa39ad3c3f6fa569226334306a40e8469282d4e744c0c24

          SHA512

          4d51d053385bd8edef23c77b02edc229152ad490e1e6d5efff4eb3336d4c318bb4d970c25bc5bea4795ebb1d98c10440d176770e7086eaabbcf868eec4b5a550

        • C:\Users\Admin\AppData\Local\Temp\h8nil4o8\s.exe

          Filesize

          132KB

          MD5

          f0c3079153c2fe00eba4751dd06d3c35

          SHA1

          f538cbe127b077cbda5f594a8eb3ea647014561f

          SHA256

          cd0c1ba8dce242a692cdf46f65f27568b5605ae41108b2bcc97fbaa82a2239fc

          SHA512

          3c6b72db3f8ddcc6a265953b12697275fd474d6b3d16dc57089e903501c7745cf434f3e1cdb1eb6a8c10bb19600d6a5c21c5d2a18aa28a9f4ed581895eab4439