Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 20:33

General

  • Target

    712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll

  • Size

    164KB

  • MD5

    712215f3b9c6dbb8295d20af710c7140

  • SHA1

    b2ce1ef5c126a2ba55c9dd46e54c186b0ab27cc7

  • SHA256

    0bc5a0110c968022bb4f40ba54cdf9d573599b5fe6c33d1ba3a2f43a3bf385d1

  • SHA512

    d8de7a13f86ea89d5292f5d110cf3c974770a06729718efaa8a53841e8ba58e002fa4e49bc156a7dcf5802b1295205579292dc07b489ec4bf144ad04ac688245

  • SSDEEP

    3072:5ghRo0R4HXCqwrpf2iHQz7Lc0npnjwTBwlvNS0nhGaYiExOAKyL:58N4kQPLxjwuuPx9L

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 IoCs

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

  • 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\712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\712215f3b9c6dbb8295d20af710c7140_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 180
          4⤵
          • Program crash
          PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~TME2F0.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TME32F.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    106KB

    MD5

    7657fcb7d772448a6d8504e4b20168b8

    SHA1

    84c7201f7e59cb416280fd69a2e7f2e349ec8242

    SHA256

    54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

    SHA512

    786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

  • memory/2172-1-0x0000000010000000-0x0000000010029000-memory.dmp

    Filesize

    164KB

  • memory/2172-2-0x0000000010000000-0x0000000010029000-memory.dmp

    Filesize

    164KB

  • memory/2408-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2408-17-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB