Analysis

  • max time kernel
    122s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 21:03

General

  • Target

    mvms.exe

  • Size

    100KB

  • MD5

    8b0952bdd0e396146e7ea4630aa9290e

  • SHA1

    1e50c34ea352ebeb822ad84c89846be424a2648e

  • SHA256

    01b2004dbe685dd4915badfd3cb5aea5bbd9cf318b31bbbea2e7ef9c956ecb0a

  • SHA512

    87cd763838e9f6fed3fe122acbbbb6a86a68af81a07772a8b12536a59f0c1ed17fef805f927e6b37240afe1faee552d7323786e56ed187384df610e0d8fca45b

  • SSDEEP

    1536:T14cUndaODq5IKBVG9QgztOxXVD0GnKyZem2SGrD54ZEXyliAUKAyB:T14JdvDgVGmEAXWGKmeTrD54ZflWy

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 26 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\mvms.exe
            "C:\Users\Admin\AppData\Local\Temp\mvms.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2224
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\mocprx.pif

            Filesize

            100KB

            MD5

            dab82ef7fab4383120db4fc4df4e5c5e

            SHA1

            bf47085c970ee309f58b1c29b5e6cb03e1b6b5dd

            SHA256

            f4ecb74df7518138d631d0ff0b972631271625061b1d420802ab5124b653b8cc

            SHA512

            e397dcd534386fda98ea88f0fc2f7bef47ee6bc42d0bf84ac3049fc6b0b449bc0971249033a063dd6dc7c187648c7b84270b29a6e5a1710f2d016a3bc7e8cdb9

          • memory/1112-12-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2224-31-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-1-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-11-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-25-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2224-26-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2224-27-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2224-10-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-9-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-0-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2224-21-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2224-6-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-7-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-5-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-4-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-8-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-28-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-29-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-30-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-22-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2224-3-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-50-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-46-0x0000000004390000-0x0000000004391000-memory.dmp

            Filesize

            4KB

          • memory/2224-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2224-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2224-48-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2224-34-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-51-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-52-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-55-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-57-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-59-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-61-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-62-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-64-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-66-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-67-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2224-32-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2224-147-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB