Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 05:29

General

  • Target

    81c9f59d59f47adb56dcd644fe8ad3c2_JaffaCakes118.exe

  • Size

    834KB

  • MD5

    81c9f59d59f47adb56dcd644fe8ad3c2

  • SHA1

    b531fd2e38e70b3f0affb73f127cb62a0fc32ca6

  • SHA256

    ec454237d6fe71ad3987df75978e44ae5bc4cb08687358a1f27a4b88c221e9a5

  • SHA512

    c893784f3b08553665470d375647b2a50de9ca3b8bbdba039624589d393772cba4b1ae65710c9f319408edf3301c1e8577503511c26a38ae3ebb814db665a05b

  • SSDEEP

    24576:3L+m21/oacr6VdrPy37WzH0A6u/cwtHbiUxZbciKY2a:bjk/oacSrPy37WzH0A6uUyH3dHKY2a

Malware Config

Signatures

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: Clear Persistence 1 TTPs 3 IoCs

    remove IFEO.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 21 IoCs
  • UPX packed file 29 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 36 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c9f59d59f47adb56dcd644fe8ad3c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c9f59d59f47adb56dcd644fe8ad3c2_JaffaCakes118.exe"
    1⤵
    • Event Triggered Execution: Image File Execution Options Injection
    • Checks computer location settings
    • Adds Run key to start application
    • Checks for any installed AV software in registry
    • Checks whether UAC is enabled
    • Indicator Removal: Clear Persistence
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c echo ok
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4496
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2076
    • C:\Windows\SysWOW64\cacls.exe
      "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Windows\system32\com\smss.exe c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe^|c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Windows\SysWOW64\com\smss.exe
        C:\Windows\system32\com\smss.exe c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe|c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5036
    • \??\c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log
      "c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log"
      2⤵
      • Event Triggered Execution: Image File Execution Options Injection
      • Checks computer location settings
      • Executes dropped EXE
      • Checks for any installed AV software in registry
      • Checks whether UAC is enabled
      • Indicator Removal: Clear Persistence
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c echo ok
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4984
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4616
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1736
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Admin:F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4676
      • C:\Windows\SysWOW64\cacls.exe
        "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Everyone:F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3040
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c rd /s /q "C:\Windows\system32\com\smss.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3884
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c del /F /Q "C:\Windows\system32\com\lsass.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4208
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c "C:\Windows\system32\com\smss.exe c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.~^|c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Windows\SysWOW64\com\smss.exe
          C:\Windows\system32\com\smss.exe c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.~|c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe
          4⤵
          • Executes dropped EXE
          PID:1076
      • C:\Windows\SysWOW64\com\lsass.exe
        "C:\Windows\system32\com\lsass.exe"
        3⤵
        • Event Triggered Execution: Image File Execution Options Injection
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks for any installed AV software in registry
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Indicator Removal: Clear Persistence
        • Drops autorun.inf file
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4860
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c echo ok
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2200
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1948
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Everyone:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1684
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\lsass.exe /e /t /g Admin:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3940
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\lsass.exe /e /t /g Everyone:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4024
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Admin:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4956
        • C:\Windows\SysWOW64\cacls.exe
          "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\smss.exe /e /t /g Everyone:F
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4572
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c rd /s /q "C:\Windows\system32\com\smss.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4744
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c rd /s /q "C:\Windows\system32\com\lsass.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:456
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\System32\regsvr32.exe" C:\Windows\system32\com\netcfg.dll /s
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          PID:736
        • C:\Windows\SysWOW64\com\smss.exe
          C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\~.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2464
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c rd /s /q "C:\Windows\system32\dnsq.dll"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2476
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c rd /s /q "C:\Windows\system32\com\bak"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4676
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c "C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe^|C:\pagefile.pif"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:820
          • C:\Windows\SysWOW64\com\smss.exe
            C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe|C:\pagefile.pif
            5⤵
            • Executes dropped EXE
            PID:1852
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c "C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe^|D:\pagefile.pif"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1848
          • C:\Windows\SysWOW64\com\smss.exe
            C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe|D:\pagefile.pif
            5⤵
            • Executes dropped EXE
            PID:2112
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c "C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe^|E:\pagefile.pif"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1452
          • C:\Windows\SysWOW64\com\smss.exe
            C:\Windows\system32\com\smss.exe C:\Windows\system32\com\lsass.exe|E:\pagefile.pif
            5⤵
            • Executes dropped EXE
            PID:1540
        • C:\Windows\SysWOW64\ping.exe
          ping.exe -f -n 1 www.baidu.com
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2624
      • C:\Users\Admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe
        "C:\Users\Admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2912
      • C:\Windows\SysWOW64\com\lsass.exe
        ^c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c echo ok
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\NetApi000.sys

          Filesize

          4KB

          MD5

          116b07e8887181880fad6c1145f8dc58

          SHA1

          e87acb06caa8fca981069e5cf5005cc9c74e5ce7

          SHA256

          454c8307648871a7db0aa79cd2d3e671e1234dcb87f42c593fa841ae9e881cca

          SHA512

          8da5c36dbf296b91f46ebf1d64918a48a59cfe45dee0588f5cc40e6805bd13310ebee39b735a66b7165ac74deb99bcaa2f761eef8678a295eabd17f5437c1cc6

        • C:\Windows\SysWOW64\Com\lsass.exe

          Filesize

          93KB

          MD5

          dca33e599ab160c3a70099e428b28e6a

          SHA1

          9cc19e802cbceb384697ca83f8fc91b15df097a4

          SHA256

          83ebe1a34e60f5ccbbbbd8d75e0d74e269e23355f50b8d677b0851e8eb0183fd

          SHA512

          bd0d6dd9e5442d61e3576751d6f17ffb7109ff5092d8ac038a4090f443f80f9a20436dd5346e36889e97202436b07828552c1f651d77b24748d1d563117fcdb2

        • C:\Windows\SysWOW64\Com\netcfg.000

          Filesize

          16KB

          MD5

          f527f2633493d985fb77a348c8e9e723

          SHA1

          83a3fbfa3eba9a435399707f7b83eda4b93d69ec

          SHA256

          e2cd4430ae2646e6a9bb5206670623bc6c693da322c7402b5c08e1c1c1de7258

          SHA512

          d2dc84335a2fd1a72b583edfe4bfead2247bef4b116f3419f59441f69590c81a58e453f73a1d0b51c4754fc0dbdbb03490ab03fc865bd3dc825361e0a786aab0

        • C:\Windows\SysWOW64\Com\smss.exe

          Filesize

          40KB

          MD5

          2c5834f823066354d9e92396ecaca50d

          SHA1

          37647491c08aa2ec6d07cf805b0eabd978869f11

          SHA256

          b94c93730d8031b0391e6934f3da705bfca14080238c3070f032ff4cea6b1657

          SHA512

          ac3d1b1b7235e89bf5169822a250710ef61004cdaaf0e1c6c4d766dcf63223630ba81a613f0fed9b467f2c987735ec842eaef3ed53c67d3ff10563e26bc822b7

        • C:\Windows\SysWOW64\dnsq.dll

          Filesize

          31KB

          MD5

          46e993717175142dcdffbdd53e30ca9d

          SHA1

          f57d052deb71a4a44aeb9d1efa0d4a9d70f0538e

          SHA256

          c53a1e2142e9d9019021298df808ad7d8378a9545274ef511151407853dd0fd3

          SHA512

          4ea6228beaf4ba09e9908f844a4e7fb1b406e427ae5d5a96bc577d6fab56c4e8672ae40c6af7aa83d8611b3f23b6d2355dd7c69fbada61e716862be78e2d5b3b

        • \??\c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.exe.log

          Filesize

          834KB

          MD5

          81c9f59d59f47adb56dcd644fe8ad3c2

          SHA1

          b531fd2e38e70b3f0affb73f127cb62a0fc32ca6

          SHA256

          ec454237d6fe71ad3987df75978e44ae5bc4cb08687358a1f27a4b88c221e9a5

          SHA512

          c893784f3b08553665470d375647b2a50de9ca3b8bbdba039624589d393772cba4b1ae65710c9f319408edf3301c1e8577503511c26a38ae3ebb814db665a05b

        • \??\c:\users\admin\appdata\local\temp\81c9f59d59f47adb56dcd644fe8ad3c2_jaffacakes118.~

          Filesize

          647KB

          MD5

          7b400627a528576c184a8e6ae2567cc0

          SHA1

          dcfa5e31be92429157c74be7e474907bbd75b102

          SHA256

          e31ee78f5c6144ded9f415475facf94575add9c806ec0cac8e2486ae04b82c1a

          SHA512

          5fdc94a4f4728de943e6b542305ffa6a891dcf5e80f167e9d70f0173b25311c401a122f47e286b151b02128a04073979a3cd6ccd09bdab51bcfd6915e7757d8a

        • memory/736-64-0x0000000010000000-0x0000000010010000-memory.dmp

          Filesize

          64KB

        • memory/1172-37-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/1648-32-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/2464-83-0x0000000010000000-0x0000000010018000-memory.dmp

          Filesize

          96KB

        • memory/2912-74-0x0000000010000000-0x0000000010018000-memory.dmp

          Filesize

          96KB

        • memory/2912-66-0x0000000010000000-0x0000000010018000-memory.dmp

          Filesize

          96KB

        • memory/2912-73-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/3536-0-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/3536-13-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-88-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-97-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-80-0x0000000010000000-0x0000000010018000-memory.dmp

          Filesize

          96KB

        • memory/4860-81-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-28-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-85-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-55-0x0000000010000000-0x0000000010018000-memory.dmp

          Filesize

          96KB

        • memory/4860-91-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-94-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-75-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-100-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-103-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-106-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-109-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-112-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-115-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/4860-122-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB