Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 23:03

General

  • Target

    7481b6f2f8bda490baf6e5ec236fd2c4f03db4b31486e5dfbb81dd3dee9e0a0b.exe

  • Size

    104KB

  • MD5

    07854a7f983b15b21792928f2d95c82c

  • SHA1

    fb77c0ce27a032207a4400024857ab2b278bea2b

  • SHA256

    7481b6f2f8bda490baf6e5ec236fd2c4f03db4b31486e5dfbb81dd3dee9e0a0b

  • SHA512

    780e870fc153ae7a3726bc4181dc868acf5f6d590b4b2b865ae13522d7d5ac54c00e576fd70b15a027069d6136350507a1b232cee12ea32bc64d45134edbe8c3

  • SSDEEP

    1536:kPJA2Y/FuDs+72tFouKxA5ziEgapOjQ9Mgp2vbpzL8DHdxLYoMsRDlqJmJit:syNKxWmAF9pM09yTsRJq7t

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 15 IoCs
  • UPX dump on OEP (original entry point) 16 IoCs
  • UPX packed file 15 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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:1200
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Users\Admin\AppData\Local\Temp\7481b6f2f8bda490baf6e5ec236fd2c4f03db4b31486e5dfbb81dd3dee9e0a0b.exe
            "C:\Users\Admin\AppData\Local\Temp\7481b6f2f8bda490baf6e5ec236fd2c4f03db4b31486e5dfbb81dd3dee9e0a0b.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2080
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1936

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1112-6-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2080-20-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-31-0x0000000002530000-0x0000000002531000-memory.dmp

            Filesize

            4KB

          • memory/2080-1-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-5-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-8-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-12-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-15-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-21-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2080-22-0x0000000002530000-0x0000000002531000-memory.dmp

            Filesize

            4KB

          • memory/2080-23-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-4-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-30-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2080-0-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/2080-32-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-33-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-34-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-35-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-36-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-37-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-44-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2080-38-0x00000000025A0000-0x000000000365A000-memory.dmp

            Filesize

            16.7MB

          • memory/2080-54-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB