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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 11:13

General

  • Target

    ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll

  • Size

    21KB

  • MD5

    ff271ab8a5d5c9cd0659ab4217422523

  • SHA1

    d3db7e245b5f5a940c07428669788213b5ce2036

  • SHA256

    f13cac36eee733155c3bccf019b3e3831419b0c3190d747e95f9c0db99dd8c8d

  • SHA512

    d91f0c005440f9b6722ce9e9b1d623c3f390a6eef3ae610334098f1c589eb1df1615cf49e9d62110d7860f8379e256d2fa2e17e062c185dbe5ebcbdb17d13c39

  • SSDEEP

    384:TLWCpCJ6x37z8MxLvLW9GhOEv+fmuhx+VqC0eWPpnwDL9ADemjx5uo:/zZhFxLDW9Gc9fmuhxKqCCyL93mP

Score
8/10

Malware Config

Signatures

  • Stops running service(s) 3 TTPs
  • UPX packed file 3 IoCs

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

  • Launches sc.exe 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff271ab8a5d5c9cd0659ab4217422523_JaffaCakes118.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe import "C:\Users\Admin\ipkg.avi"
        3⤵
          PID:1932
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe config PolicyAgent start=auto
          3⤵
          • Launches sc.exe
          PID:2980
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe stop PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2660
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe start PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2576
        • C:\Windows\SysWOW64\sc.exe
          C:\Windows\System32\sc.exe stop PolicyAgent
          3⤵
          • Launches sc.exe
          PID:2428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Drv.sys

      Filesize

      3KB

      MD5

      287227be5634bc9dc7848df03ee0ffb2

      SHA1

      62e7f9c9ba1075762fd3e29a8423314c7ac2a986

      SHA256

      9c4d62e16c1de27158b34a8162d76c4feffc0e3bec74374785f176b4f0e1d8ff

      SHA512

      114a049673159ce92d00cb3d46ac51fe9a42d73801e30ff8c16049b9e55ab156cf3cf200d226c7424246396859bc2dc6ebc2f268ec6a977aad04a5cdd0557dac

    • C:\Users\Admin\ipkg.avi

      Filesize

      56KB

      MD5

      bc8025bc98da7f4ed891c9f9991d3ff1

      SHA1

      70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

      SHA256

      59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

      SHA512

      7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

    • memory/2932-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2932-1-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2932-13-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB