Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 03:02

General

  • Target

    JaffaCakes118_01f099691fd5ff59fd1cca1df6346253.dll

  • Size

    329KB

  • MD5

    01f099691fd5ff59fd1cca1df6346253

  • SHA1

    5332ca9c69b19846a48bb1c9a769fbe88f44f7e6

  • SHA256

    5f30cbcdec691d557f2913773e0c7f2d412be5e8fe2dbc0e7f3e5fa2b84fe5a9

  • SHA512

    61f06436c044e7a6ecd1968ff0cb6bbf66e9f571b687c3316edfc14a8397e4a04df51ca41e9408d562977f14e6d54f862f1fd7d8ce3dc185933abe456e6a6eb6

  • SSDEEP

    6144:aCIGPj038tAgFMldqNX+tbP1ZZtErOiCXZzqN9VhHHt4N6DIT4nPu:Lj038t/FMldq4tbPTZG5Nj0N6A4G

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
  • 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\JaffaCakes118_01f099691fd5ff59fd1cca1df6346253.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01f099691fd5ff59fd1cca1df6346253.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 164
          4⤵
          • Program crash
          PID:1768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 224
        3⤵
        • Program crash
        PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~TMB838.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMB848.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    162KB

    MD5

    33cd65ebd943a41a3b65fa1ccfce067c

    SHA1

    715d78b89cadbbd517fec3a48f415e1dc00f92bb

    SHA256

    43c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae

    SHA512

    ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2

  • memory/2372-14-0x0000000000400000-0x0000000000489124-memory.dmp

    Filesize

    548KB

  • memory/2372-12-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2372-11-0x0000000000400000-0x0000000000489124-memory.dmp

    Filesize

    548KB

  • memory/2372-19-0x0000000000400000-0x0000000000489124-memory.dmp

    Filesize

    548KB

  • memory/2372-23-0x0000000000400000-0x0000000000489124-memory.dmp

    Filesize

    548KB

  • memory/2372-25-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2488-9-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2488-8-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/2488-1-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB

  • memory/2488-26-0x0000000010000000-0x0000000010057000-memory.dmp

    Filesize

    348KB