Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2024, 16:13

General

  • Target

    7a60b50352bd4eba11823f14db8886c8_JaffaCakes118.dll

  • Size

    396KB

  • MD5

    7a60b50352bd4eba11823f14db8886c8

  • SHA1

    91cee6e2f1344de38e11d862372ccf92f59709e5

  • SHA256

    3bfb2eb0267863841b39e79b19dae6ed7dd51e41f75829a901a99b5a56557525

  • SHA512

    e9befb4306dad456f2c71e01df96434fc98d5a3a5e63b33f9ee9159a4791061acef4a8ef2eefeb50350cf274883846e57d6dcee6810fecf3873e9b9c3ffa2fb9

  • SSDEEP

    6144:qqLbBaUl9Q16a/Zc9YBnSE/d7hodP0KwK5PIaUtCrFTzS:5tlZa/ZcSBnSmd7hodP0JK5wbsTzS

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 51 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a60b50352bd4eba11823f14db8886c8_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7a60b50352bd4eba11823f14db8886c8_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 432
          4⤵
          • Program crash
          PID:3516
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1108 -ip 1108
    1⤵
      PID:2528

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\~TM8C32.tmp

            Filesize

            1.6MB

            MD5

            4f3387277ccbd6d1f21ac5c07fe4ca68

            SHA1

            e16506f662dc92023bf82def1d621497c8ab5890

            SHA256

            767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

            SHA512

            9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

          • C:\Windows\SysWOW64\regsvr32mgr.exe

            Filesize

            191KB

            MD5

            81bead4ed3b77609668f22d75101ae8e

            SHA1

            f2f242e8347b7d1d7a78bd718963bb81e42b2eaa

            SHA256

            d47d2370acf54ddbfbd87ec8cd5884e0d9c7be8130f2f4e55bde269f6f01b996

            SHA512

            333beecf4abaf596f464c5963090a760b8697b1320809fe4c6943c6f323abff6093af14caf3cd28681f80d1ac9c00aaf4d9ee551bab70cadd63e373527ee5740

          • memory/1108-4-0x0000000000400000-0x00000000004A0140-memory.dmp

            Filesize

            640KB

          • memory/1108-7-0x0000000000400000-0x00000000004A0140-memory.dmp

            Filesize

            640KB

          • memory/1108-6-0x0000000000400000-0x00000000004A1000-memory.dmp

            Filesize

            644KB

          • memory/1108-11-0x0000000000400000-0x00000000004A0140-memory.dmp

            Filesize

            640KB

          • memory/1108-13-0x0000000000400000-0x00000000004A1000-memory.dmp

            Filesize

            644KB

          • memory/1848-0-0x0000000010000000-0x0000000010065000-memory.dmp

            Filesize

            404KB