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
    08-12-2024 18:38

General

  • Target

    d85945a9d77036bf24d672756c2d9b70_JaffaCakes118.dll

  • Size

    640KB

  • MD5

    d85945a9d77036bf24d672756c2d9b70

  • SHA1

    ac2d7be28998edd824dc555e69c184ff4211aaa7

  • SHA256

    bb67852a0adb72a07c0ba464d2d52c928fa3d84ea486252b26980b0e3c93e62f

  • SHA512

    e09bc1f94237e0b35d12c5fb8b93fb8d5d3f7e3010d68a21a9e5876e6d4fbe7c04929d0c58f6a5ce2a990ba45f6a5fce41d84277c119ba92d29582ca160e074f

  • SSDEEP

    12288:EehnaNPpSVZmNxRCwnwm3W3OHIIf5oaGBAqBMAYfjBOpwDkbt:Eeh0PpS6NxNnwYeOHX+aGeqxQXkbt

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 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 5 IoCs
  • Hijack Execution Flow: DLL Search Order Hijacking 1 TTPs

    Possible initial access via DLL redirection search order hijacking.

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d85945a9d77036bf24d672756c2d9b70_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d85945a9d77036bf24d672756c2d9b70_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 224
        3⤵
        • Program crash
        PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Wplugin.dll

    Filesize

    108KB

    MD5

    8847a8302dacc1d6fca61f125c8fe8e0

    SHA1

    f399142bbf03660bee1df555ebbf3acc8f658cf0

    SHA256

    9c2726defa122089f8251fa104f76d66830f448774ab9bd634adbb6e492e3943

    SHA512

    2b028bb4139c352b80db1509d1a3f479a8ef7e9b3b73ddbf62e2d83d4e59adf4a0bd6b9d68409bc0b6fafb7a5f56844fbfed6d00b824a6b370689801ce1c837f

  • \Users\Admin\AppData\Local\Temp\~TMD308.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMD338.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    254KB

    MD5

    9965f747b6eae58ca0bf70926c506c9d

    SHA1

    bd45fdfec1c4337026c2a9e6a70ad045b371a8e4

    SHA256

    bb749c9ad6926bfa806a00903c82b2cf1ecf0e563f9189046eac9c896fbce7b9

    SHA512

    a1700f0c46d986aa8fd5732801343efb7812036eb7d6b43f4522b6c8f40df63fd15b4546a82596ac9ae4184bc6e96611cac1f6021f22b8d4eed607a7dc9df562

  • memory/2460-23-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2460-19-0x0000000000360000-0x00000000003C9000-memory.dmp

    Filesize

    420KB

  • memory/2460-29-0x0000000000360000-0x00000000003C9000-memory.dmp

    Filesize

    420KB

  • memory/2460-27-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2848-8-0x0000000010000000-0x00000000100A2000-memory.dmp

    Filesize

    648KB