Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 09:09

General

  • Target

    89cad2333b6c81c0c1688d87a62f7df0_JaffaCakes118.dll

  • Size

    139KB

  • MD5

    89cad2333b6c81c0c1688d87a62f7df0

  • SHA1

    fbb047ef394e232e08d849c706d1cb11f88cace2

  • SHA256

    d46b6e60d72d2d4dc100b2278ecb25da33b2768ef9e80b66c4078254cbee5353

  • SHA512

    911ebc7090978959747ddb631a5034d7d541f8161fc1713ee69cb4543dcb500e183f347124e8e664f14b63ff1d8ee6ff78434ebe93adcef13c5b75ac592fb066

  • SSDEEP

    3072:/ui32IfXBqUcicSX8mTqHLZvZsVQF6xzYSH+TsuR3qbQR:/v3Nflf8vr5vYJx0X3qI

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • 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 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\89cad2333b6c81c0c1688d87a62f7df0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\89cad2333b6c81c0c1688d87a62f7df0_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 180
          4⤵
          • Program crash
          PID:2708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 224
        3⤵
        • Program crash
        PID:2416

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          106KB

          MD5

          fe36fb1073e6f8fa14d7250501a29aaf

          SHA1

          6c7e01278362797dabcff3e666b68227cb9af10f

          SHA256

          f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

          SHA512

          8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

        • \Users\Admin\AppData\Local\Temp\~TMB2BC.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TMB32A.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2584-9-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/3004-10-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB

        • memory/3004-17-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB