Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 17:06

General

  • Target

    f64356ee1b09da8316b26481bee4e140_JaffaCakes118.exe

  • Size

    336KB

  • MD5

    f64356ee1b09da8316b26481bee4e140

  • SHA1

    5f61b7effde2b3c2e4e80844542528eef0f14f78

  • SHA256

    4d42fbe051fe6e7d4822b000665ac68e9779b063a0736191dcb5f2d875bd1e23

  • SHA512

    311022f7b46b3f53e9c5cb145c1a9c02cc255740b5e9515deb728057f05386d8588ea91743928931e8a32460d6c3d9fe4b0ca8ac90168658a344d9e5aa58d47a

  • SSDEEP

    6144:9Va2W92obyul5mbdlrTCx3wu1MZAVM99rpV+l+XczH/L26dyQrroii/H:C32onwG6uB2hrOL263r

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 IoCs
  • UPX packed file 14 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f64356ee1b09da8316b26481bee4e140_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f64356ee1b09da8316b26481bee4e140_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Roaming\updater\winrun32.exe
      "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Users\Admin\AppData\Roaming\updater\winrun32.exe
        "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4052
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1164
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2348
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2936
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updater\winrun32.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1312
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3096
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:4256
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\windll.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windll.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4936
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\windll.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windll.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3288
      • C:\Users\Admin\AppData\Local\Temp\sysprocess.exe
        "C:\Users\Admin\AppData\Local\Temp\sysprocess.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:5016
        • C:\Users\Admin\AppData\Local\Temp\sysprocess.exe
          "C:\Users\Admin\AppData\Local\Temp\sysprocess.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:444
    • C:\Users\Admin\AppData\Local\Temp\sysprocess.exe
      "C:\Users\Admin\AppData\Local\Temp\sysprocess.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Users\Admin\AppData\Local\Temp\sysprocess.exe
        "C:\Users\Admin\AppData\Local\Temp\sysprocess.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\sysprocess.exe

    Filesize

    38KB

    MD5

    c04d820b09485586971717f5775c1339

    SHA1

    0689fe7166234540d062f9e5226929e8834ca313

    SHA256

    2bb1355053faabeffac1c45b1ab0860142182314c5e8bcaac10eb6b1ce5a33ce

    SHA512

    f145ab7e5d907379205bc909ab13a2963d77ab599f1c8c673bc8714c433928de759a7f5f7df6540510c74ee975f595977639a7d254988932c38821b3774c8a10

  • C:\Users\Admin\AppData\Roaming\updater\winrun32.exe

    Filesize

    336KB

    MD5

    f64356ee1b09da8316b26481bee4e140

    SHA1

    5f61b7effde2b3c2e4e80844542528eef0f14f78

    SHA256

    4d42fbe051fe6e7d4822b000665ac68e9779b063a0736191dcb5f2d875bd1e23

    SHA512

    311022f7b46b3f53e9c5cb145c1a9c02cc255740b5e9515deb728057f05386d8588ea91743928931e8a32460d6c3d9fe4b0ca8ac90168658a344d9e5aa58d47a

  • memory/444-34-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/3816-25-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/3816-33-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/3816-20-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4052-35-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-44-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-11-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-10-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-5-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-36-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-39-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-32-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-47-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-51-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-54-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-57-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-74-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4052-77-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB