Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 07:22

General

  • Target

    2d0b72044de927d508dd247f6354c4a8d5b7d85791f25b5e359bcd700d0ba492.exe

  • Size

    388KB

  • MD5

    67791e32a850d74e32deceed68203e84

  • SHA1

    5d9996d3e04881fe7d0f55016d224b93db1b5d34

  • SHA256

    2d0b72044de927d508dd247f6354c4a8d5b7d85791f25b5e359bcd700d0ba492

  • SHA512

    cd71e73ccab566d0b93579d09f7a67147bc79733a4fdc7afceff13df160dd7331e652f7fded78a65a8fc0f7588043fa4dcede48307abed7793ce3d68e86ba146

  • SSDEEP

    12288:T920XejqriJua4GrWYFivwwbEMBUJO3HZ:T920a7rwww0J6Z

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

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
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 13 IoCs

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

  • Drops file in Windows directory 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1044
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1068
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Users\Admin\AppData\Local\Temp\2d0b72044de927d508dd247f6354c4a8d5b7d85791f25b5e359bcd700d0ba492.exe
            "C:\Users\Admin\AppData\Local\Temp\2d0b72044de927d508dd247f6354c4a8d5b7d85791f25b5e359bcd700d0ba492.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Writes to the Master Boot Record (MBR)
            • 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:2132
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1044-17-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2132-29-0x00000000007E0000-0x00000000007E1000-memory.dmp

            Filesize

            4KB

          • memory/2132-26-0x00000000007E0000-0x00000000007E1000-memory.dmp

            Filesize

            4KB

          • memory/2132-8-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-1-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-25-0x00000000007D0000-0x00000000007D2000-memory.dmp

            Filesize

            8KB

          • memory/2132-31-0x00000000007D0000-0x00000000007D2000-memory.dmp

            Filesize

            8KB

          • memory/2132-30-0x00000000007D0000-0x00000000007D2000-memory.dmp

            Filesize

            8KB

          • memory/2132-11-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-9-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-0-0x0000000000400000-0x0000000000468000-memory.dmp

            Filesize

            416KB

          • memory/2132-7-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-6-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-3-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-5-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-4-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-10-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-32-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-33-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-42-0x00000000007D0000-0x00000000007D2000-memory.dmp

            Filesize

            8KB

          • memory/2132-49-0x0000000000400000-0x0000000000468000-memory.dmp

            Filesize

            416KB

          • memory/2132-50-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB