Analysis

  • max time kernel
    140s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 04:59

General

  • Target

    8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe

  • Size

    351KB

  • MD5

    8d693029cddf88f890c47f7cc60b58a8

  • SHA1

    c5d0a280952b06612206168991c5fd93fbbb58b1

  • SHA256

    d04544f5bdc06884d71d095b7f7048a7a4c86a5177787deaab076d52b3246203

  • SHA512

    d75235c02a7edf6448175b7ffcd6d3985802ff29f05ffd69a2415afb377155a54737daf776c0ad59517563ea3d3ba1c278a9943e58a8d620df0e38ff60f609e4

  • SSDEEP

    3072:rqRAFgKD5iLDeZl/AtADljPzXbMrawgkeAubbixuB2MiOQHQRvOxop0o:rqKgmwfeZlVt7graw1uKoQwUn

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\Kkiqya.exe
      C:\Windows\Kkiqya.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:1540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 608
        3⤵
        • Program crash
        PID:102160
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1540 -ip 1540
    1⤵
      PID:102136

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Kkiqya.exe

      Filesize

      351KB

      MD5

      8d693029cddf88f890c47f7cc60b58a8

      SHA1

      c5d0a280952b06612206168991c5fd93fbbb58b1

      SHA256

      d04544f5bdc06884d71d095b7f7048a7a4c86a5177787deaab076d52b3246203

      SHA512

      d75235c02a7edf6448175b7ffcd6d3985802ff29f05ffd69a2415afb377155a54737daf776c0ad59517563ea3d3ba1c278a9943e58a8d620df0e38ff60f609e4

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

      Filesize

      390B

      MD5

      5f0551e800f3d7b9547997bcdce3fd4d

      SHA1

      1a061f7e49eb4b30e5cdb81bc34cecd885a11a18

      SHA256

      af39d015e1976f8fe3e5bd4d56f045cf01c6f0ae8304581f251ccee8051feeac

      SHA512

      86673a6a12294597cf5782bcc9c3b0074a5672673600170ca2052a00ea6855189c4f72d81e8b9b550f20bc8cb8bbac9a2e52fb10a581b1e962c26dfbbe261f2a

    • memory/944-3-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/944-0-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/944-6-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/944-2-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/944-1-0x0000000000401000-0x0000000000402000-memory.dmp

      Filesize

      4KB

    • memory/944-57371-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/944-57333-0x0000000002090000-0x00000000020BE000-memory.dmp

      Filesize

      184KB

    • memory/1540-13-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1540-18-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1540-19-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1540-23-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB

    • memory/1540-112721-0x0000000001F80000-0x0000000001FAE000-memory.dmp

      Filesize

      184KB

    • memory/1540-112727-0x0000000000400000-0x000000000043B000-memory.dmp

      Filesize

      236KB