Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 06:25

General

  • Target

    094f18405622800e4b5a2eb91476baa7_JaffaCakes118.dll

  • Size

    1.2MB

  • MD5

    094f18405622800e4b5a2eb91476baa7

  • SHA1

    04d4db4ef6d71f48d5989f6c3c4d253ca626e641

  • SHA256

    b408cba5be18aebc1396ee29e32bbd88400ebdda2931b98c84ec7dcfb8dd34a9

  • SHA512

    e81d3feb281ebf89da64fa2e8be9ac9443c5040c44560935419d7c6a8cdd00748ad734073b358d7375e270485521726b077b01696dc1f8e09972734147eb8b77

  • SSDEEP

    12288:Y9g8GZHpzAac5naAd25L5O+FQ7lW8lZ60ICPxaf6og38BfSH6gqrandxT+is3pje:Y68+O6pvbt/wuzTB2OF1mGlO

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 2 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.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\094f18405622800e4b5a2eb91476baa7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\094f18405622800e4b5a2eb91476baa7_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 10176
          4⤵
          • Program crash
          PID:5036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 612
        3⤵
        • Program crash
        PID:4964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3892 -ip 3892
    1⤵
      PID:3684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 976 -ip 976
      1⤵
        PID:1536

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\~TMB026.tmp

        Filesize

        1.6MB

        MD5

        4f3387277ccbd6d1f21ac5c07fe4ca68

        SHA1

        e16506f662dc92023bf82def1d621497c8ab5890

        SHA256

        767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

        SHA512

        9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        94KB

        MD5

        5c8b2f1499f748bc9175df521ccfb94d

        SHA1

        1586cdfdf987d3d10cd85b142f7020f8e656b693

        SHA256

        1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

        SHA512

        c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

      • memory/976-4-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/976-6-0x0000000002070000-0x00000000020B2000-memory.dmp

        Filesize

        264KB

      • memory/976-7-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/976-13-0x0000000002070000-0x00000000020B2000-memory.dmp

        Filesize

        264KB

      • memory/3892-1-0x0000000010000000-0x0000000010143000-memory.dmp

        Filesize

        1.3MB

      • memory/3892-11-0x0000000010000000-0x0000000010143000-memory.dmp

        Filesize

        1.3MB