Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 00:25

General

  • Target

    378f3d1b9ae41c7621f28c108a099a0e_JaffaCakes118.exe

  • Size

    53KB

  • MD5

    378f3d1b9ae41c7621f28c108a099a0e

  • SHA1

    b8f2832b7770bfcf9b1de78dd32af4bac606c494

  • SHA256

    0dc0b4487ba9fc73a5a69d8f8519d0d4fcd0b2038057c19932c523cdc70e9533

  • SHA512

    53ca6358d60d92c519ed466fc208ae82da1078bb181d636631d401ae92d1bc5e49f9631baea61cd4e3b7c35069d3dbad7abd0cdbe0875a84c1be07522eca0bbe

  • SSDEEP

    768:Te3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJar6c5QhtY/++RRAVt0wBhUKFuP6p:S3cpyORJLuB4P4AJJS6mQXYD8d8Ki6p

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 15 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • NSIS installer 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\378f3d1b9ae41c7621f28c108a099a0e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\378f3d1b9ae41c7621f28c108a099a0e_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\uninst.exe
      "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1996
    • C:\Windows\SysWOW64\360WDtray.exe
      "C:\Windows\system32\360WDtray.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\wuqiu.ini

    Filesize

    108B

    MD5

    3e4b1c9ecb00bdca9bce06e01ae16d05

    SHA1

    3a1fa17e609bc3242251bbd7fb0a38a1e83d621b

    SHA256

    41731af5351dc76601ef65768ce6f83e016a4e7f76769c02d9c97424d1c276df

    SHA512

    b59573ece13e62993fc428a315bffa767eac1ba97d3576afa4bf93bcfe698c03ddc33175a180b8a86e9ea7daefb6e4f90e86c24b7766212c1b1414d736229d7c

  • C:\Windows\SysWOW64\360WDtray.exe

    Filesize

    16KB

    MD5

    1a1e907715c2de89c80c59ed3c372df7

    SHA1

    6af0b227525d88f4a67768355a76379e6e82ae15

    SHA256

    9c690bd40dd6eb4cc9a306ab47ade5943ee1fd1bec8d7bc83fb1b059b03e9fa6

    SHA512

    af5e4d2d33198482204a3d1b0a4129e7b17ad4e64c16fb0544ff141ed5516539e537f433f1bdc673faf23dabb3492485ddadcb349fce014b3d8c8a00875895dc

  • \Users\Admin\AppData\Local\Temp\nsd958D.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • \Users\Admin\AppData\Local\Temp\uninst.exe

    Filesize

    34KB

    MD5

    ddf10ed303b82ee362a6cee2b32d961a

    SHA1

    d3b711217fc3a43d831cf4ab3a5b5dad6b67094f

    SHA256

    19c418c345db35a2b26e7f329bd0734708631d61f4ad9dd39c23f87116d398d6

    SHA512

    d43b017b8a33e1524d54b637dc92cc7149f1035b9d9fc984d832ef95bacf3d0a54241639261f10e76b7d9cac63db14720407b013a53e7211028441cff31d85cb

  • memory/2456-22-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2456-33-0x0000000000020000-0x000000000002D000-memory.dmp

    Filesize

    52KB

  • memory/2456-32-0x0000000000020000-0x000000000002D000-memory.dmp

    Filesize

    52KB

  • memory/2456-31-0x0000000000020000-0x000000000002D000-memory.dmp

    Filesize

    52KB

  • memory/2456-53-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2456-61-0x0000000000020000-0x000000000002D000-memory.dmp

    Filesize

    52KB

  • memory/2456-62-0x0000000000020000-0x000000000002D000-memory.dmp

    Filesize

    52KB