Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 12:32

General

  • Target

    1818d509759888dd2360cacab1773c99_JaffaCakes118.exe

  • Size

    15KB

  • MD5

    1818d509759888dd2360cacab1773c99

  • SHA1

    cac1fde8c2232646ac57e6e4dbd3e86c89c09335

  • SHA256

    e0b52ce483e3b1f5e5bb372eba8ac930336605b756039a916108a70c83d20775

  • SHA512

    c19dc0d0aeca7ab6f7140497eac38482351cddcd3adafbcebfedc36786ca5a32205e1d6ef5efdb7478bdf9791211fed6e12b92058c57e7ec1bb27c13f0b99e82

  • SSDEEP

    384:zfXUTiYqZV42rLNwvOXCIDGSlFIL17e+Vge:7XUm3a2rLNW3ISS87e+VP

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 3 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1818d509759888dd2360cacab1773c99_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1818d509759888dd2360cacab1773c99_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • \??\c:\windows\ld09.exe
      c:\windows\ld09.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2724
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\nm8912.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\ld09.exe

    Filesize

    15KB

    MD5

    1818d509759888dd2360cacab1773c99

    SHA1

    cac1fde8c2232646ac57e6e4dbd3e86c89c09335

    SHA256

    e0b52ce483e3b1f5e5bb372eba8ac930336605b756039a916108a70c83d20775

    SHA512

    c19dc0d0aeca7ab6f7140497eac38482351cddcd3adafbcebfedc36786ca5a32205e1d6ef5efdb7478bdf9791211fed6e12b92058c57e7ec1bb27c13f0b99e82

  • C:\nm8912.bat

    Filesize

    268B

    MD5

    cd387e39c25870c3817a4d107c701cf0

    SHA1

    92dec6cd1566570f82823c9187f50ecf6d7948e3

    SHA256

    4116e6f6d424e1447ea459a539442cc8e8fbf34deddaceb0b9f0fe8e9f6f9869

    SHA512

    6915f2996ea983188dede4ad814611365ef26c58aa3c380f4a0fcfcb81e86ef2c71cbed83215bf83d280f65e234dc0c2d4969234e1ead7aebec7743197c3668e

  • memory/1448-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1448-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1448-18-0x00000000001B0000-0x00000000001BC000-memory.dmp

    Filesize

    48KB

  • memory/1448-22-0x00000000001B0000-0x00000000001BC000-memory.dmp

    Filesize

    48KB

  • memory/2724-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2724-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB