Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2025, 02:41

General

  • Target

    JaffaCakes118_896fd0c52c1f2f292c2630864be169c0.dll

  • Size

    164KB

  • MD5

    896fd0c52c1f2f292c2630864be169c0

  • SHA1

    ecc67ab66ff332daa0093b23b853bb49f52acdf1

  • SHA256

    2b230a087c35c565ddf2e503848c403b689527212169615fe28f66b156c5c533

  • SHA512

    c17813a4aed6071f35a52aa02dd57b6c7fdd909b3533c829187c7e47dffc9f7b3f457e70c47e1847dd89e1e06bcdadbc693079e0d2478ee9961dd772578d64ba

  • SSDEEP

    3072:VO6LhhjrnonxwlgXF1E/vwOEUKe0G0CfYF6jzsdQva1G6GPJQds:VO6LhN7obVG/vAe90CAF6vCGHYs

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\JaffaCakes118_896fd0c52c1f2f292c2630864be169c0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_896fd0c52c1f2f292c2630864be169c0.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 180
          4⤵
          • Program crash
          PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\~TMD2C9.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMD309.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1096-12-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1096-11-0x00000000005C0000-0x00000000005EA000-memory.dmp

    Filesize

    168KB

  • memory/1096-19-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2320-0-0x0000000010000000-0x000000001002F000-memory.dmp

    Filesize

    188KB

  • memory/2320-3-0x0000000010000000-0x000000001002F000-memory.dmp

    Filesize

    188KB

  • memory/2320-2-0x0000000010000000-0x000000001002F000-memory.dmp

    Filesize

    188KB