Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 00:19

General

  • Target

    f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll

  • Size

    237KB

  • MD5

    f667671bdf5170d3e25e0360817082c9

  • SHA1

    a494e7b08af1c47e8eebe41c7d26e53befeda4d7

  • SHA256

    ce013942a8e802231ad39f922cdea139ce9a737ac20c1b48517065ce5e40f206

  • SHA512

    888473c8a527e441b0b126a84294d523902cc0a57b300f828825901e5558cedef1c73d809e9987ab42c60f6d3c2f1df42fd69542a3634035df1febd2290ceaaf

  • SSDEEP

    3072:C+gMajJFHo/W1axo5W1Om0XxZANPIkWVHtXWKn5PMEzhRxfMGAQKKuqCabTJgrqb:PgLH01BGkP0XWQMahR6G9KDqCab1grwz

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 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.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 148
          4⤵
          • Program crash
          PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    144KB

    MD5

    609c9eadac4c1cc48b5f89be6c36e276

    SHA1

    f047b565fdb73d5b75ffaed7b2faa335e82b3514

    SHA256

    e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

    SHA512

    246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

  • \Users\Admin\AppData\Local\Temp\~TMF086.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMF0B6.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1552-2-0x0000000074EC0000-0x0000000074F02000-memory.dmp

    Filesize

    264KB

  • memory/1552-0-0x0000000074F10000-0x0000000074F52000-memory.dmp

    Filesize

    264KB

  • memory/1552-3-0x0000000074F10000-0x0000000074F52000-memory.dmp

    Filesize

    264KB

  • memory/2744-12-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/2744-19-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/2744-21-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB