Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    10-07-2024 11:22

General

  • Target

    348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    348311b0a982c9b93ab6cec99010398c

  • SHA1

    fd91cb902d533412964a0006a57cf8b8f30cc115

  • SHA256

    1658436033caa97f4dbe821eef2f1f0427cfe4b6aaeae1dbff428ea65e08d118

  • SHA512

    0fd4549dcf9defe07bcf3c42f4777430c325b29d5949802d1d4a7c742371532e42ae624932ce247b3120f6298a71e69ea0925039982f7632c214dbd147e7df9c

  • SSDEEP

    768:mC6qxQuiqGbx4T/AScPIuqeDP6khdFtOwMxU+RUBJvOXa+:h6qxQui3mTxuPdhLtOwyUhIt

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 1 IoCs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\SysWOW64\sc.exe
      sc delete darkness
      2⤵
      • Launches sc.exe
      PID:1200
    • C:\Windows\system\dwm.exe
      "C:\Windows\system\dwm.exe" /start
      2⤵
      • Executes dropped EXE
      PID:1984
  • C:\Windows\system\dwm.exe
    C:\Windows\system\dwm.exe
    1⤵
    • Modifies firewall policy service
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\system\dwm.exe

    Filesize

    41KB

    MD5

    348311b0a982c9b93ab6cec99010398c

    SHA1

    fd91cb902d533412964a0006a57cf8b8f30cc115

    SHA256

    1658436033caa97f4dbe821eef2f1f0427cfe4b6aaeae1dbff428ea65e08d118

    SHA512

    0fd4549dcf9defe07bcf3c42f4777430c325b29d5949802d1d4a7c742371532e42ae624932ce247b3120f6298a71e69ea0925039982f7632c214dbd147e7df9c

  • memory/1984-12-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2352-13-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3032-8-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB