Analysis

  • max time kernel
    141s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 10:37

General

  • Target

    12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe

  • Size

    227KB

  • MD5

    12fe44da33d2a9ca3d82e4eeb8bc4ec2

  • SHA1

    9664c8a7a1cc9015ec66439b3bd95606192e331a

  • SHA256

    bc481ffb7d1192a0cab5d05ce8e8f8ed6b34a8ba6b142fae75c9915bbe6bceda

  • SHA512

    8305fc7792fba5ec0f5050315f8ac102de5b7336bc638d5e0ca7d61d94f2a2b401d482b9f279c057da4e231ad038af72229e19200b29acd8e974cc52ce7ce82e

  • SSDEEP

    3072:sr3KcWmjRrzSsYYMvDzY5lBLR7oDTJiajsCQ6uY+CPnvwFbR3W6D8ot36bVef5EY:/8i7sB97iTMBKvcdms53E+5qlcAurz

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 2 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\Zi2jatDByjXgHQE.exe
      C:\Users\Admin\AppData\Local\Temp\Zi2jatDByjXgHQE.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2372
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\CTS.exe

    Filesize

    35KB

    MD5

    93e5f18caebd8d4a2c893e40e5f38232

    SHA1

    fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

    SHA256

    a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

    SHA512

    986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

  • \Users\Admin\AppData\Local\Temp\Zi2jatDByjXgHQE.exe

    Filesize

    191KB

    MD5

    94a363cd532d88ac33997c25657a19b5

    SHA1

    a98f1a8361d0183651c0ef457b9ac4339e429bea

    SHA256

    13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

    SHA512

    3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

  • memory/2652-0-0x0000000000C40000-0x0000000000C57000-memory.dmp

    Filesize

    92KB

  • memory/2652-15-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2652-13-0x0000000000C40000-0x0000000000C57000-memory.dmp

    Filesize

    92KB

  • memory/2652-12-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2652-19-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2748-21-0x0000000000B10000-0x0000000000B27000-memory.dmp

    Filesize

    92KB