Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 22:48

General

  • Target

    0fd0023347fcef8ac888d4a0e3c61fe1_JaffaCakes118.dll

  • Size

    1.4MB

  • MD5

    0fd0023347fcef8ac888d4a0e3c61fe1

  • SHA1

    0df57d0312499b5ec7c8c4c58d97dd424b7ef417

  • SHA256

    493e8ffa6dd24941faedd2a72e119f09f85835c7743191fa036b609886071d21

  • SHA512

    22724c420f76bfdfef65a42019792cc0cb5fced5ab00d7c0b46a3f12b20891d6120dbe88499623734370e2efe564e87787f356a8668fadf55f5dbbe42bdf0d5a

  • SSDEEP

    24576:HWjwgi3xjA2eCJHU3qZTMQ3N1BhRn7hc3xkwh7iDg8QWcd:HWxiy2eRqKuU38U

Malware Config

Signatures

  • Ramnit

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

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

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

  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0fd0023347fcef8ac888d4a0e3c61fe1_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0fd0023347fcef8ac888d4a0e3c61fe1_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 10176
          4⤵
          • Program crash
          PID:3444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3084 -ip 3084
    1⤵
      PID:3064

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~TM351A.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • C:\Windows\SysWOW64\regsvr32mgr.exe

      Filesize

      154KB

      MD5

      d22c44525dacffd850f75b082f18071e

      SHA1

      229fa56324707512687e75de17e574dc91b08d95

      SHA256

      0e896aab1b9e222cdc0978f0adb780fc5acfa492314eedc1ce9250bc1bdff029

      SHA512

      7ff9a98b45bab4140e31b6be32ba80100124975371f106b78eb1f153b3f15f89516dfb03c6f9faad58e5137b76d8a70ce3d9ba5422aab495dc279d9d77e61c68

    • memory/3084-5-0x0000000002110000-0x0000000002176000-memory.dmp

      Filesize

      408KB

    • memory/3084-7-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/3192-3-0x0000000074810000-0x00000000749A5000-memory.dmp

      Filesize

      1.6MB