Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 09:14

General

  • Target

    JaffaCakes118_78dd54266eb3d448247caf9e877364c5.dll

  • Size

    272KB

  • MD5

    78dd54266eb3d448247caf9e877364c5

  • SHA1

    2acdf9e27cf556996707dad6470c90b2895ce9f5

  • SHA256

    df6444c4ab878a77bfd025f9a7c10d291d8d6908c7f8f440576b5a0c898c375a

  • SHA512

    c1a6693fd9dd4725c6ffb3b8fc8e8bce5c912a9e4d95230c0a1b42d02d4b5fca0b89ae1e1a650c1d5403a8b551ab2a0eef981b307c158dc4504ee6f52bdefc90

  • SSDEEP

    6144:k4y8gOB2NdmKbctyE4a8hTuviZqQvymZD+kDVku/mz:Zy8gTRiviZqQbh+kxHmz

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 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\JaffaCakes118_78dd54266eb3d448247caf9e877364c5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78dd54266eb3d448247caf9e877364c5.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 160
          4⤵
          • Program crash
          PID:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~TMC986.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMC9A6.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    178KB

    MD5

    db98a90a075816be151bf78a39293e5b

    SHA1

    8afc5325246accba5adcdd830aa4ff4b101e9983

    SHA256

    0569be58ce08b5f17c84a3638327edf50aac1a2da68cee63c352f82545e61d66

    SHA512

    0793d000ad8c151aa06df3e393fdf538faf93e70e479d5c2092ddebd6437a639db27fb8792669aa433a14f07e99b546fe1f36c1bb3a47b37127530bd5252451e

  • memory/2148-16-0x000000007704F000-0x0000000077051000-memory.dmp

    Filesize

    8KB

  • memory/2148-15-0x0000000000240000-0x0000000000242000-memory.dmp

    Filesize

    8KB

  • memory/2148-14-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/2148-21-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/2300-11-0x00000000007C0000-0x000000000086C000-memory.dmp

    Filesize

    688KB

  • memory/2300-8-0x0000000010000000-0x0000000010045000-memory.dmp

    Filesize

    276KB