Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 17:24

General

  • Target

    0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll

  • Size

    171KB

  • MD5

    0fd6a8d4cb920ac3d9b04d091d019a67

  • SHA1

    4bbe7eff462175bfebec499472c5661f6ab5be2f

  • SHA256

    f1a2cb1cdc24f66c9331d273829248a20d6d25e4302618e7d28acc90e9d8d294

  • SHA512

    7d77674b357b0ef49b66e2fa23e1e6f23f1c0fbaa3cda7249824c34192da9d97f69f093a324de17e27d9e1168f26cad2564957ebbeeba133142c5651ab8e0ee3

  • SSDEEP

    3072:0zNCVUIFQ3FFg14TFeKzqVuOofufz6lX46Ok8gWNh93mfH7isALtGWT8BD:fFQ3FFUk5z1O+X46OkfWsHlAL4tBD

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
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 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.

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 148
          4⤵
          • Program crash
          PID:1988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\regsvr32mgr.exe

          Filesize

          144KB

          MD5

          609c9eadac4c1cc48b5f89be6c36e276

          SHA1

          f047b565fdb73d5b75ffaed7b2faa335e82b3514

          SHA256

          e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

          SHA512

          246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

        • \Users\Admin\AppData\Local\Temp\~TMC783.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TMC794.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/1864-10-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/1864-16-0x0000000000400000-0x0000000000451000-memory.dmp

          Filesize

          324KB

        • memory/2368-1-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB