Analysis

  • max time kernel
    77s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 03:03

General

  • Target

    b1e15586b47dceb5c2b75fc92b543dd9_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    b1e15586b47dceb5c2b75fc92b543dd9

  • SHA1

    638c09882ffec5acee3449637112bc1401ac4a52

  • SHA256

    2b7c3a13291408c99e3efcd943986a31f7b6781fd4296194d3a7e31dd565775f

  • SHA512

    54298b1c4d2ad698eb318b222513a492b5b343a777cc19d490b6647bfc0c8e7fce3271f3fba210a2079b74a01456d0144d5320220f2fd0c3568c977cac3d3a0d

  • SSDEEP

    6144:1Nytcr+5lJOpaZ9EIyc8sJmYOYbW+tf46Ru/qvgr:1NyB5l9oIyvsJhz7Qou/+g

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1e15586b47dceb5c2b75fc92b543dd9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e15586b47dceb5c2b75fc92b543dd9_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\cGyAF3B.exe
      C:\Users\Admin\AppData\Local\Temp\cGyAF3B.exe W9VcqfpWZOmC
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start iexplore -embedding
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4468
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1648
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1648 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\OUyB5C3.bat"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\cGyAF3B.bat"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\OUyB5C3.bat

    Filesize

    188B

    MD5

    6d84b98f0052e6405e9b2ce608baf540

    SHA1

    3452e9d5e019892446607add000dd6ccb0f4ed4b

    SHA256

    b2beb5c210940847eb3b94fbd588dea9ddd99327fd73346ce8e6213570e6d774

    SHA512

    42b25a65784a918e3bd69d32b09ce36c831c8445aa41e3a324a1fef34fc7eec6bdc047bcaa4008ab7d797865e9af4eca6f03a72c3ad9e41f73bd9b92e3c15ecb

  • C:\Users\Admin\AppData\Local\Temp\OUyB5C3.tmp

    Filesize

    106KB

    MD5

    09a16daa67d74e30fc37e104f30daab7

    SHA1

    62920e6f54686e05abf5810854e230265379edb9

    SHA256

    1b8b64132aa8e988fa3776c86e37b3621f6c54ac8cc33f327a2ec776f72185d4

    SHA512

    010490a2ddf7cf32c3d2580dc7af2e9041a3ce56f3f736908f3e4d964185c5f76149f33cbfddf3588021a56595cf552cbc5265e0fc488bfd06ee73f5ca114f2b

  • C:\Users\Admin\AppData\Local\Temp\cGyAF3B.bat

    Filesize

    188B

    MD5

    c988978c5969e73cba35c243054a28a7

    SHA1

    6e17670833b7243b05a2b6c103ac379ea8225f59

    SHA256

    dcface81497a7e74da2747c869d5c1f0fabe4f55b0eae8f909755aa4aa81453e

    SHA512

    e3c6cea94702b21f76f7eefebc7e7911ced7a40bf9674e3aa29a51d0214eb519e498b999bf54d61e8a3a0b0557e8a3b32e2a6b2b16a3f06cafbfd2abc22c352d

  • C:\Users\Admin\AppData\Local\Temp\cGyAF3B.exe

    Filesize

    175KB

    MD5

    74e1d03e1071b2e3d536dd223b907071

    SHA1

    5459e439ea64443a550b67a1356a1d49766d711b

    SHA256

    b1f61b998872c0313432754e7fba3b8dfd1347d494a8d93d14f13d3c0583ae52

    SHA512

    715cae15564f6bcc9970b75fa94e2401c3f37188e08898a2a2d86a5f473accbec78253aad18c1111c961a8ac3148e1bd12e578d06da501574d12aa5cd32e6ac5

  • memory/4952-4-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4952-5-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/4952-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB