Analysis

  • max time kernel
    143s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 12:56

General

  • Target

    9b9da065249e8fe54710e673923b7cd5_JaffaCakes118.exe

  • Size

    35KB

  • MD5

    9b9da065249e8fe54710e673923b7cd5

  • SHA1

    855744b965629510b6929fa1d2e19cd6c796f030

  • SHA256

    56290c2104affa1cf206123446540929c031486b6c3b3519b2de9a96963c9710

  • SHA512

    4a38a4bc84911ece6042746aa631e5077373197b2cec269c3b89b7bbb4bf0b0fd992b080f69d7c1daab608b9653be9f48cbce0c9bb9ac6a89a3ca2ffc566d1f3

  • SSDEEP

    768:Di/8POyOVXowzUyQ9EKa2Fi9k13ebvMSPIl1R3R:DNPlOVXowzUL+KOOMb0P33R

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b9da065249e8fe54710e673923b7cd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9b9da065249e8fe54710e673923b7cd5_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\system32\cmd.exe
      cmd.exe /c attrib -h -r -s "C:\ProgramData\Microsoft\$77-SystemProcessor.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Windows\system32\attrib.exe
        attrib -h -r -s "C:\ProgramData\Microsoft\$77-SystemProcessor.exe"
        3⤵
        • Views/modifies file attributes
        PID:2760
    • C:\ProgramData\Microsoft\$77-SystemProcessor.exe
      "C:\ProgramData\Microsoft\$77-SystemProcessor.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft'
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1604
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-SystemProcessor.exe'
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77-SystemProcessor.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2900
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\r77-x64.dll'
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\r77-x64.dll'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2656
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\r77-x86.dll'
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\r77-x86.dll'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1668
      • C:\Windows\system32\netsh.exe
        netsh firewall delete allowedprogram "C:\ProgramData\Microsoft\$77-SystemProcessor.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\$77-SystemProcessor.exe

    Filesize

    35KB

    MD5

    9b9da065249e8fe54710e673923b7cd5

    SHA1

    855744b965629510b6929fa1d2e19cd6c796f030

    SHA256

    56290c2104affa1cf206123446540929c031486b6c3b3519b2de9a96963c9710

    SHA512

    4a38a4bc84911ece6042746aa631e5077373197b2cec269c3b89b7bbb4bf0b0fd992b080f69d7c1daab608b9653be9f48cbce0c9bb9ac6a89a3ca2ffc566d1f3

  • C:\Users\Admin\AppData\Local\Temp\CabC9B7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC9D9.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    3b4b68f91b5e128bf9def0d3263be572

    SHA1

    06855333e85d3613f7f3854f811140401322c647

    SHA256

    fa1ba972874b5e6b8ecbdc07aef156c2cda65fa0bfdfdea85071ffede8596604

    SHA512

    c0118314eb41d40925fcf43f59a4e4e5bc8978e238ffd50a8340e47bc02a1554d123a174052da3b75fc0e7b081090c3c89e99475514d0bd6f92015da2e19bb2a

  • memory/1604-234-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

    Filesize

    2.9MB

  • memory/1604-235-0x0000000002790000-0x0000000002798000-memory.dmp

    Filesize

    32KB

  • memory/1724-8-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

    Filesize

    9.9MB

  • memory/1724-0-0x000007FEF5803000-0x000007FEF5804000-memory.dmp

    Filesize

    4KB

  • memory/1724-1-0x00000000000E0000-0x00000000000F0000-memory.dmp

    Filesize

    64KB

  • memory/2900-241-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

    Filesize

    2.9MB

  • memory/2900-242-0x0000000002820000-0x0000000002828000-memory.dmp

    Filesize

    32KB

  • memory/2912-9-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

    Filesize

    9.9MB

  • memory/2912-7-0x0000000000A40000-0x0000000000A50000-memory.dmp

    Filesize

    64KB

  • memory/2912-45-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

    Filesize

    9.9MB