Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 06:10

General

  • Target

    f01961809cbb9eedb117eade77367412d2b19e453114a8bd75567a2d287b0d19.exe

  • Size

    1.6MB

  • MD5

    2d7b69ecee41e5aa3be0ea4a34f41538

  • SHA1

    6836c91bb84d04173ede09f9fb2bc8690c5dfd03

  • SHA256

    f01961809cbb9eedb117eade77367412d2b19e453114a8bd75567a2d287b0d19

  • SHA512

    4c864d13b32cabb70514ed1b13ec203b382b3e4882acca64e9e13c573a7bf89ab9d0df51348edf6c7c083debc2ad1f506d60f8425b682484ea927e2b2a20ab7b

  • SSDEEP

    24576:upAgq8HmTj6scESQXO2yROr5jDBM/cTKcdG2ueNeN:GAgqTTSbvROrhDBUcTddG2ukC

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 11 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 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:1056
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1132
          • C:\Users\Admin\AppData\Local\Temp\f01961809cbb9eedb117eade77367412d2b19e453114a8bd75567a2d287b0d19.exe
            "C:\Users\Admin\AppData\Local\Temp\f01961809cbb9eedb117eade77367412d2b19e453114a8bd75567a2d287b0d19.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:2092
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1124

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1056-13-0x0000000001F80000-0x0000000001F82000-memory.dmp

            Filesize

            8KB

          • memory/2092-10-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-8-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-3-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-25-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2092-20-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2092-7-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-5-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-0-0x0000000000400000-0x00000000005A5000-memory.dmp

            Filesize

            1.6MB

          • memory/2092-21-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2092-4-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-12-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-9-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-6-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-11-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-38-0x00000000020E0000-0x000000000319A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-37-0x0000000000400000-0x00000000005A5000-memory.dmp

            Filesize

            1.6MB