Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 07:16

General

  • Target

    16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll

  • Size

    848KB

  • MD5

    16b114fc96af79e4350fadc999b268b0

  • SHA1

    ecc49411d73b84b14a344ba6619c208be28c8989

  • SHA256

    3ac0de457e30c3bc0e0e75e2484e68b8aeeb7afb2aff2db0ca98e586e7cd9185

  • SHA512

    f69910f903c69889a962ced9c872aecb07b3788357bb304fc66b2283b44e158c37fa16d0a5ddeabb0444590f9c10b58fa55d17e3154f28fb78c2938aaf8f1cf3

  • SSDEEP

    12288:dehnaNPpSVZmNxRCwnwm3W3OHIIf5Wg4m0S5MK8ZXQyIIUjuUj2/75ok:deh0PpS6NxNnwYeOHX0zzSiKlyBjz5v

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 4 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\rundll32mgrmgr.exe
          C:\Windows\SysWOW64\rundll32mgrmgr.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 224
        3⤵
        • Program crash
        PID:1032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\~TM3C8.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM407.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          462KB

          MD5

          737ad0e202cbc77fe21b05a97018fd17

          SHA1

          d0c6ceff6779c02d6e9b7180a06369562fd96b1c

          SHA256

          68e13ea527498c03274b46fd29bb2fa54f3c064c3a4d4299e8ab6f95c3afed34

          SHA512

          dcd8dae554d55ac711024ec47aa3ba8a54cbd6b464e69ceb0f035f8b7930cddf8d42cfc7b0d34a621982134698f33a687091ed545ee8fca898db86468b55bae6

        • \Windows\SysWOW64\rundll32mgrmgr.exe

          Filesize

          230KB

          MD5

          b42f5caf5d8471c34605faac7f278571

          SHA1

          8baf865dee9f3011fb467afe0f22cfd5bb5c5d47

          SHA256

          38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c

          SHA512

          2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44

        • memory/2064-24-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/2064-26-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/2064-36-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/2640-5-0x0000000001E70000-0x0000000001F2C000-memory.dmp

          Filesize

          752KB

        • memory/2640-1-0x0000000010000000-0x00000000100D6000-memory.dmp

          Filesize

          856KB

        • memory/2640-2-0x0000000010000000-0x00000000100D6000-memory.dmp

          Filesize

          856KB

        • memory/2640-43-0x0000000010000000-0x00000000100D6000-memory.dmp

          Filesize

          856KB

        • memory/2640-44-0x0000000001E70000-0x0000000001F2C000-memory.dmp

          Filesize

          752KB

        • memory/2744-18-0x0000000000270000-0x00000000002F1000-memory.dmp

          Filesize

          516KB

        • memory/2744-23-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2744-20-0x0000000000270000-0x000000000032C000-memory.dmp

          Filesize

          752KB

        • memory/2744-19-0x0000000000270000-0x00000000002F1000-memory.dmp

          Filesize

          516KB

        • memory/2744-40-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2744-42-0x0000000000270000-0x000000000032C000-memory.dmp

          Filesize

          752KB

        • memory/2744-41-0x0000000000270000-0x00000000002F1000-memory.dmp

          Filesize

          516KB