Analysis

  • max time kernel
    117s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 23:29

General

  • Target

    JaffaCakes118_11eaa74847cb8fcc6d1014e5b58b5875.dll

  • Size

    284KB

  • MD5

    11eaa74847cb8fcc6d1014e5b58b5875

  • SHA1

    971f0481c44ca46df2b2c57859c50e6328e89e48

  • SHA256

    57c40e33a8ce9583d80085fff69f9ebc5acf4934ba991b0fcf8cd2bc8a91c4b0

  • SHA512

    e04ccc1f725f143e9d7af8984a4caec1c6628e0f638adc2150a4432b88b250649eeda51139c3a75fc302296f891220fa929cf3b7ad5f3a1e8cd3579ff97f5194

  • SSDEEP

    6144:LMJOWK4l0wqOVq1o1QiujTlPDyqNwTSb29QqBrC9pI:L2OWK4lljujTlPOqNw229QqBrC92

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
  • UPX packed file 9 IoCs

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

  • 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.

  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11eaa74847cb8fcc6d1014e5b58b5875.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11eaa74847cb8fcc6d1014e5b58b5875.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        PID:1800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 260
          4⤵
          • Program crash
          PID:2420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1800 -ip 1800
    1⤵
      PID:1004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TMB2F4.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • C:\Windows\SysWOW64\rundll32mgr.exe

      Filesize

      133KB

      MD5

      cdb08259f376e72d84caaff2246e7b8d

      SHA1

      c812ffaebdac00ea61901b2a3d0b40bd9495d1da

      SHA256

      c572bcb3d9c247d7f45fefaaa5d62463bf5ef701a13cbbfc160dc81fc0301a05

      SHA512

      1e693e099ce8cad51863e44e522cb9b67ec785891b36eb623048a8ab6d37619a2a599c8237c5757f85aa696335c57c54b55afd2a92189cc46378998dad8af7f7

    • memory/1800-13-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-7-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-8-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-6-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-15-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-14-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-23-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/1800-9-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-20-0x0000000077272000-0x0000000077273000-memory.dmp

      Filesize

      4KB

    • memory/1800-19-0x0000000077272000-0x0000000077274000-memory.dmp

      Filesize

      8KB

    • memory/1800-12-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/1800-11-0x00000000008E0000-0x00000000008E1000-memory.dmp

      Filesize

      4KB

    • memory/1800-10-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/1800-5-0x0000000000401000-0x0000000000405000-memory.dmp

      Filesize

      16KB

    • memory/1800-22-0x0000000000401000-0x0000000000405000-memory.dmp

      Filesize

      16KB

    • memory/4888-0-0x0000000010000000-0x000000001004B000-memory.dmp

      Filesize

      300KB