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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 18:00

General

  • Target

    942617eaa577202cb3c3cf4ae46929e6_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    942617eaa577202cb3c3cf4ae46929e6

  • SHA1

    8fc4c63b24f8d37d4aeb2095aea34828ed162348

  • SHA256

    1e5a2fd7a2ff296305600e51654c7b0dd7364584e5e9ffcd0ddb929a280aca24

  • SHA512

    9a852c3c4dd85964e9d9c27234199ac6359af7aaa53df416b6d6f4a759ee7b845abb5506e969d04467dfe040f0e73c73c409340b7d66dd703e4a7a31ee9fb4af

  • SSDEEP

    6144:H64VvSOAAAJiJQWwaEY+p55bV0f6RuI+7SqtoOPmEf/J0:H6AkAAcQWnEYEnbeXI+7SL

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\942617eaa577202cb3c3cf4ae46929e6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\942617eaa577202cb3c3cf4ae46929e6_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\Ojamea.exe
      C:\Windows\Ojamea.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:4020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 528
        3⤵
        • Program crash
        PID:9076
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4020 -ip 4020
    1⤵
      PID:9108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Ojamea.exe

      Filesize

      212KB

      MD5

      942617eaa577202cb3c3cf4ae46929e6

      SHA1

      8fc4c63b24f8d37d4aeb2095aea34828ed162348

      SHA256

      1e5a2fd7a2ff296305600e51654c7b0dd7364584e5e9ffcd0ddb929a280aca24

      SHA512

      9a852c3c4dd85964e9d9c27234199ac6359af7aaa53df416b6d6f4a759ee7b845abb5506e969d04467dfe040f0e73c73c409340b7d66dd703e4a7a31ee9fb4af

    • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

      Filesize

      390B

      MD5

      dbb608ee59f332eefaa37b052c65052d

      SHA1

      e6be814320481475b08b026e05e04bd57f40d729

      SHA256

      298c297b4baa6556bf3cef2275988d7908e891050b51736764c2f1e98d774bd1

      SHA512

      d08d56df3ff7d830354495332133ff94dbe355b6f727fdb8c9ee5df5656933ea3db72c4c2c7e8cfe4ac8c9de4d8b1b5e89ee7bedbcc85ebe37a6582d6e3aeb2b

    • memory/1780-89998-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/1780-1-0x0000000000401000-0x0000000000402000-memory.dmp

      Filesize

      4KB

    • memory/1780-2-0x00000000005F0000-0x00000000005F1000-memory.dmp

      Filesize

      4KB

    • memory/1780-3-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/1780-6-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1780-0-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/1780-89999-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4020-17-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4020-22-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/4020-18-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/4020-138413-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB