Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2024, 19:52

General

  • Target

    a7fdb1e7dca4d8c514bcf7efa8cbd59f_JaffaCakes118.exe

  • Size

    386KB

  • MD5

    a7fdb1e7dca4d8c514bcf7efa8cbd59f

  • SHA1

    1ec849c22ca517b17cf441866f92eaa669d19b5e

  • SHA256

    1cf613da36c8d8bcdafca886e643fd83678f1807d1da5a9a8d357ca75c18b2a7

  • SHA512

    9f0486af0a064c52e513d60e75db28d6081952db89d48e8e42c4bb384faf635347a364a8bb5218d6b0cfceb184fdbfe22561ef1252a4e90891f87dbc5e0103e5

  • SSDEEP

    6144:K3Vcakevn8OzkYFfSPz7ZGmbqZzLIgVungJC8Fc:+cav8OzkYdSvZ/qZzIgpe

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7fdb1e7dca4d8c514bcf7efa8cbd59f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7fdb1e7dca4d8c514bcf7efa8cbd59f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\ProgramData\bD28285AcKpF28285\bD28285AcKpF28285.exe
      "C:\ProgramData\bD28285AcKpF28285\bD28285AcKpF28285.exe" "C:\Users\Admin\AppData\Local\Temp\a7fdb1e7dca4d8c514bcf7efa8cbd59f_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\bD28285AcKpF28285\bD28285AcKpF28285

          Filesize

          192B

          MD5

          6fbe74a87c0bad607b6dd35aa9600557

          SHA1

          a6d0de7580d5b8f316755f21581a331afeb951dd

          SHA256

          f155179f3b9a83d4a47df940b1afc85b09fe8b064bd47a13d469d41225e37658

          SHA512

          93eaaf8c456033a96b9dce793e868b48370073edf74a8848fb547aee897b4693fc0ef9c75862271f37eacff1875b3b53abcc803b101174810359ebf55c4a64d1

        • \ProgramData\bD28285AcKpF28285\bD28285AcKpF28285.exe

          Filesize

          386KB

          MD5

          b38e55e3b883dee879abd1d2e52048ff

          SHA1

          7b8875b8503c8453b2fa5d6de61e02f6a31493d0

          SHA256

          cf610347cf9d0e22230dc2a803d3586ab99912d6804e3cc8e424d04075586328

          SHA512

          cf67844cff0e29af5804e4c31d79ee2ebcebf2c1875bc1987329796e69933e8eb076ee1bc1390c758e2ba1b9053cb5619049df7827b4a2e52622fc66389387a5

        • memory/2108-0-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/2108-3-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/2108-17-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/3056-19-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/3056-22-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/3056-29-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/3056-37-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB

        • memory/3056-39-0x0000000000400000-0x00000000004C1000-memory.dmp

          Filesize

          772KB