Analysis

  • max time kernel
    72s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 05:11

General

  • Target

    f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll

  • Size

    948KB

  • MD5

    f7772975a5360f3396bc2d6a1c2cb674

  • SHA1

    4d69261a02bff2339b2a7fd976808b4d20f07fdd

  • SHA256

    acc944d726c83004ade87e78f6629765eddeaee972de9b0f69bcf9a6cff1330b

  • SHA512

    1828b63ea08a1f1d2aeef3270ac1b08d6ae2d61cb163a7954ba2f5698a46e3b41b35f82102ba0bd5b8fce42d6c3442583e930c3729f85e77023530237c663d0a

  • SSDEEP

    24576:iD7xopx+JPLwUmQ9oXpnatxznRJz+9V/f0s:iZnPLwUmQ9+pwnRJ1s

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 3 IoCs

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

  • 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\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:760
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    177KB

    MD5

    7c6cea630aa6eefcf1397099bf5711c4

    SHA1

    4d64f9f7134aa8d58cc68e7915b1cef6a022b4a2

    SHA256

    20e1b8ee76eba89db86650b0b13c9019b9f4c6d75165c5e1b9cbd1e9bd17ecbe

    SHA512

    b0136707456fd9a0fbf37e2f073f186dcc214ff75ea7ffd94dc528bed634e02d9656ae63a0f02434228bedb18982b85fcd57e8ae63c0ab466ad80c3de2a1ab4b

  • \Users\Admin\AppData\Local\Temp\~TMA16D.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMA278.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/760-1-0x0000000010000000-0x00000000100EF000-memory.dmp

    Filesize

    956KB

  • memory/760-9-0x0000000010000000-0x00000000100EF000-memory.dmp

    Filesize

    956KB

  • memory/2596-10-0x0000000000220000-0x000000000028C000-memory.dmp

    Filesize

    432KB

  • memory/2596-11-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2596-15-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2596-19-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2596-21-0x0000000000220000-0x000000000028C000-memory.dmp

    Filesize

    432KB