Analysis

  • max time kernel
    24s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 20:05

General

  • Target

    d068d22cdef57e01f32eb2cf2fac6971b3614a78500db301229f5a007f3b5504.dll

  • Size

    1.8MB

  • MD5

    006f557a0ac99151c714ee740f55f9db

  • SHA1

    8d8ec240c637484a2a27f2516d1cfeedb26e6c8f

  • SHA256

    d068d22cdef57e01f32eb2cf2fac6971b3614a78500db301229f5a007f3b5504

  • SHA512

    b97d4fecc834dc20811cfadfc13112cf7667d9f9608bc0971ddf51e9d9c7d6a7ea55878d3728ae105eb2de66d13d2c932914b65044ad9f2dfb9007bd3ffcebbe

  • SSDEEP

    24576:W7IY7a9IRCRqRPkHQo411810cNScGKJydXTZDwmzRMo3DP7x5nbiQj/h8i:eIY5RMHMf810Knor5zqo3zNJuQjmi

Malware Config

Signatures

  • Ramnit

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

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

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

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d068d22cdef57e01f32eb2cf2fac6971b3614a78500db301229f5a007f3b5504.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d068d22cdef57e01f32eb2cf2fac6971b3614a78500db301229f5a007f3b5504.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 232
        3⤵
        • Program crash
        PID:956

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          94KB

          MD5

          5c8b2f1499f748bc9175df521ccfb94d

          SHA1

          1586cdfdf987d3d10cd85b142f7020f8e656b693

          SHA256

          1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

          SHA512

          c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

        • \Users\Admin\AppData\Local\Temp\~TM4599.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM4607.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          94KB

          MD5

          5c8b2f1499f748bc9175df521ccfb94d

          SHA1

          1586cdfdf987d3d10cd85b142f7020f8e656b693

          SHA256

          1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

          SHA512

          c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          94KB

          MD5

          5c8b2f1499f748bc9175df521ccfb94d

          SHA1

          1586cdfdf987d3d10cd85b142f7020f8e656b693

          SHA256

          1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

          SHA512

          c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

        • memory/988-64-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/988-66-0x00000000771E0000-0x0000000077360000-memory.dmp

          Filesize

          1.5MB

        • memory/988-65-0x00000000002D0000-0x0000000000312000-memory.dmp

          Filesize

          264KB

        • memory/1876-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

          Filesize

          8KB

        • memory/1876-67-0x0000000010000000-0x0000000010362000-memory.dmp

          Filesize

          3.4MB

        • memory/1876-68-0x0000000000180000-0x00000000001C2000-memory.dmp

          Filesize

          264KB