Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 19:06

General

  • Target

    ec00f05db9d26bef124b5a143278d877_JaffaCakes118.exe

  • Size

    405KB

  • MD5

    ec00f05db9d26bef124b5a143278d877

  • SHA1

    b42906001e6382d6359e2d65d721d2f5e32a60d4

  • SHA256

    5180e7449355a82cd7e2f04fea92e07e902ae9b61cf6903c92a96948e3e08087

  • SHA512

    65d3af33f8242a367a6061e6110d973efba018e18e529130240ca14aa16982b3d0250f115a90974291f87672ed6779a38c06f19bfc3f7dca07052f2bbd30cf36

  • SSDEEP

    6144:1BmCr/JPiSFvbfCw5tg8b+IpxpLW/VpCuLkkri6+hZIuJZt1/59I4eAs:DrRPiSpCSBb+M9cpRLkHhZJx1/53e

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec00f05db9d26bef124b5a143278d877_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec00f05db9d26bef124b5a143278d877_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\WINDOWS\explo.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\reg.exe
        REG DELETE HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /F
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4020
    • C:\WINDOWS\PeerNet\update.exe
      C:\WINDOWS\PeerNet\update.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\WINDOWS\explo.bat

    Filesize

    77B

    MD5

    842a5b9784004744843472d6c3440c60

    SHA1

    a61b7111c76dec741fb98b1eef6e6c45a02e6091

    SHA256

    f335661fabddf3ecca56756521b02fc9ae3c28952054eb8001dd6563a1c3b70b

    SHA512

    89a97e327c595239ba0d4718b09d6bb89a284b030ce32a4d54d8c81a964d13038f1e2107bb19c90a62a90036358cd6ffcd01699b310ebb74905254357fda876b

  • C:\Windows\PeerNet\update.exe

    Filesize

    405KB

    MD5

    ec00f05db9d26bef124b5a143278d877

    SHA1

    b42906001e6382d6359e2d65d721d2f5e32a60d4

    SHA256

    5180e7449355a82cd7e2f04fea92e07e902ae9b61cf6903c92a96948e3e08087

    SHA512

    65d3af33f8242a367a6061e6110d973efba018e18e529130240ca14aa16982b3d0250f115a90974291f87672ed6779a38c06f19bfc3f7dca07052f2bbd30cf36

  • memory/3576-8-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/3576-20-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3576-21-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/3576-22-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3576-23-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3576-25-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/4152-0-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/4152-9-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB