Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    02-07-2024 07:25

General

  • Target

    1e741922a8509217b0fd8bd126cf034a_JaffaCakes118.exe

  • Size

    508KB

  • MD5

    1e741922a8509217b0fd8bd126cf034a

  • SHA1

    a398f6aced564dbacf62dcab3ab3355b5f4369c2

  • SHA256

    8352bbe026f6e4c539401b430fa420eb879a6d468f1bbbb2eff151538b16f8c4

  • SHA512

    d1a2da57ed3e95b952e40a6bedff9b18fd239d2034629043cb1c0d94dce153a417d1726042f7c09d6dbcf853ebb365337c9d1cf99b63b820bd777e5a2d55ad67

  • SSDEEP

    12288:kdBNKTCqqwXCcdgT89+MvA+BisqYpxHtk:kLjQC+fs0O

Score
10/10

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e741922a8509217b0fd8bd126cf034a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1e741922a8509217b0fd8bd126cf034a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\vehiu.exe
      "C:\Users\Admin\AppData\Local\Temp\vehiu.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\Temp\byopx.exe
        "C:\Users\Admin\AppData\Local\Temp\byopx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2248
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • Deletes itself
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    304B

    MD5

    55c5bd503a5fcf4a4d097cee815150b5

    SHA1

    84f710f8870676b966d2a691ef200634b9fac458

    SHA256

    b75081756c0fd381b4e9a215697c4efcbe49abb188c709de1f32595729bcddbb

    SHA512

    349e0bc3ef00ebc7125f6ec1da228495423567fdf0834171cb20eb50ac62c7296f5d967eebaf3d6dcc300ca524747149620e3265fe1fd69e1b1b556acd4e9462

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

    Filesize

    512B

    MD5

    7aa2d2ae37b4a3ed411492c722ec738f

    SHA1

    67383e204ce5af8fcd0b6c04c1eee401f4857afd

    SHA256

    8bb961613ada9a70d3c4b03ee682c8f778811f402eb1359169f68cdf892b02a0

    SHA512

    706c6d09ba2fc7a0aa2a431f6e8b803525f4d1972391cfc0bd6ffda517bdf190a73a392c63f77f791a6c05b122597d9ab94e56a2997b2d19d57134f424e468cd

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

    Filesize

    508KB

    MD5

    941c94a7b270bb30bb0d93d82afe7b5f

    SHA1

    8e9f61353ab6cd8ab34e684a142092e671df1ebe

    SHA256

    4631556ea969b2cc9d31dcd973782ffed6e95002e7c9f9519ab3e7e919610b2e

    SHA512

    10949322f3c8d2180d38d3384a2da60b1abfd24495e090d6b9aea4df1966f556eb60bda83d90c1f20d39c10a63449a141221fb98550bf497e1b54312f7cf7ce6

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

    Filesize

    241KB

    MD5

    7f57af1acd689fe27dd767543e45da43

    SHA1

    6a8848e60cf651bc4e8bc31235f975997e8b6172

    SHA256

    9e532a76ca5b46ee05b6737f543e6987c19a7a179aed4ad11c033c26440c6fb4

    SHA512

    5d7d8476100c0e1e6ce99c50284bd39bc65842034b25d671dcb89e1ee27d450abf7395202eeb5e8e801061abb08493216960461f8972afaaee09f6c2198bdb89

  • memory/1884-0-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2248-25-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB

  • memory/2248-27-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB

  • memory/2248-28-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB

  • memory/2248-29-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB

  • memory/2248-30-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB

  • memory/2248-31-0x00000000003A0000-0x0000000000456000-memory.dmp

    Filesize

    728KB