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
    20-01-2025 21:33

General

  • Target

    JaffaCakes118_001e16a3012b8fbf9a57bd367bab1e4e.dll

  • Size

    220KB

  • MD5

    001e16a3012b8fbf9a57bd367bab1e4e

  • SHA1

    b06641cd1684c7ceee32de9d9d01efe4bcc3fb25

  • SHA256

    7ee0244900e2ba91578b3dca01db04eef5066432e075aaf01a609a4bf32cd7d3

  • SHA512

    f3f24b5a64949106c1c19ad06d628d1136884d7212db05a7d0f83fd2d360a924da827b41f6187182b9d7536d7ec142a2c18c6c2022a8c1596e70cca89bf80c88

  • SSDEEP

    6144:gKkvmzpivg8Iej8d5E6nmuu89LtxW19qP:QmzmGtmuz9LtxW3qP

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.

  • 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_001e16a3012b8fbf9a57bd367bab1e4e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_001e16a3012b8fbf9a57bd367bab1e4e.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMBC1F.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    163KB

    MD5

    c8b1f715192e0e340d54b8fac428eb44

    SHA1

    7a77163f8d073ecd2b98cc832d2e70719850beb1

    SHA256

    60767adaadd87b2220096918365c352c24092807d4e5d42bffadaceeb6136923

    SHA512

    9438c4c284b1a125a64bf5953365a6e0b46dd59649d01447861cfdfebd65989a523bc31654101ff8a2d53ed4f2dbf90c79468f2141bacf738a8ed0c7a92da11f

  • memory/2128-14-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/2128-12-0x0000000001B90000-0x0000000001BF8000-memory.dmp

    Filesize

    416KB

  • memory/2128-20-0x0000000000400000-0x0000000000468000-memory.dmp

    Filesize

    416KB

  • memory/2416-1-0x0000000000160000-0x000000000019F000-memory.dmp

    Filesize

    252KB

  • memory/2416-3-0x0000000000160000-0x000000000019F000-memory.dmp

    Filesize

    252KB

  • memory/2416-0-0x0000000000220000-0x000000000025F000-memory.dmp

    Filesize

    252KB

  • memory/2416-5-0x0000000000220000-0x000000000025F000-memory.dmp

    Filesize

    252KB