Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 09:24

General

  • Target

    4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe

  • Size

    933KB

  • MD5

    4119ff924422b22aa2386ca1fa070398

  • SHA1

    ddebba8d44ee16fcf3c19d71e3e5315dfd4c4bad

  • SHA256

    152998d31d6a6fac7ccd42c3774b6b0d91ecd6372e22fafb764141582edb0aec

  • SHA512

    f3fa0e92908d9c4ec38a5f142339033376f3513dc3865523eefcd39532740aeb9f58735752da560825a47f522404f088cd1c66939045c61836ff1e1b3bc67818

  • SSDEEP

    24576:+X8FJ9gwvKpTbh29cWJU3QNIPGgogK9Ps3RIQ2:MK9vipHh29cWJUg2GgogK9PshI/

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\TS_Kilu.exe
      "C:\Users\Admin\AppData\Local\Temp\TS_Kilu.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Users\Admin\AppData\Roaming\WindowsService\winservice.exe
        "C:\Users\Admin\AppData\Roaming\WindowsService\winservice.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3396
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Autorun.vbs"
          4⤵
          • Adds Run key to start application
          PID:524
    • C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:932
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:756
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\4119ff924422b22aa2386ca1fa070398_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:2936
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4772
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4968
      • 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\winsearch.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winsearch.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winsearch.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winsearch.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1200
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UGIANGKO.BAT" "
      2⤵
      • Enumerates connected drives
      PID:4164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Autorun.vbs

    Filesize

    260B

    MD5

    cf1ca1b74460d6bf92e8c682a5025380

    SHA1

    aff97a56ba33f8bb26f49f3cef68c1736b835db8

    SHA256

    8e0c527f497a3551eddf69931af4c317ae6e74938792497772bb0092af9d38a8

    SHA512

    e9205c864ec6ae4050bb9dd26eb287ee6a0e3ddba4d19a9957e02c23a511b9eb33a0170c8ef3f98c765685ffac3a8a1bf4aded2603af55e99c5a835bece49fbd

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

    Filesize

    692KB

    MD5

    0a2a5fd8c430bce33ba7f856a6829ff5

    SHA1

    7fc5d3555f1dd12afa88a5d1a2a0b66f0e0b8905

    SHA256

    e65aad8079b6594e2aa22db56eca8af0542abad6b66b7e1130f517faf04ab569

    SHA512

    e94ed436d0171cbfea4f6221b3aa7c4bc8b2bd8e187c3edf2c8f4d2eadeb3b80dfe4f8aa1819ef2da2c65605086ec5a461c1ff2dfea3ca760934e93af44288da

  • C:\Users\Admin\AppData\Local\Temp\UGIANGKO.BAT

    Filesize

    339B

    MD5

    30552806e90d94ce4300dfc7d41222c4

    SHA1

    b9e84f9ed240975cd2a403f96694dbe030de977f

    SHA256

    ec506e02eaf6fa433c8c7d78c45ac7f7f3837c471bb3af13aaba0802e69bc094

    SHA512

    8ff399bc17c75bcae6bb56088f6f88fee91311e8f879656eb054cb1f583917e9d8c5f03fdf44b5912dec660d1d1ee04349ccbe612e46b9b65cbeaa755922eaa5

  • memory/932-43-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-39-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-91-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-23-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-24-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-11-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-14-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-8-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-68-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-88-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-44-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-48-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-50-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-81-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-54-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/932-58-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2424-0-0x0000000000400000-0x00000000004EE000-memory.dmp

    Filesize

    952KB

  • memory/2424-21-0x0000000000400000-0x00000000004EE000-memory.dmp

    Filesize

    952KB

  • memory/2508-34-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/2508-19-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/3396-67-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/3396-61-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/3396-53-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/3396-42-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB