Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 23:46

General

  • Target

    56ad558d7e451d8c6ef00f142f60937b4039d9257b75994f6eb536868f133da9.exe

  • Size

    236KB

  • MD5

    4c7b5089ec3ddc3d3369e701d76b8900

  • SHA1

    096117d68c00323abb36aa17f85475363919dde0

  • SHA256

    56ad558d7e451d8c6ef00f142f60937b4039d9257b75994f6eb536868f133da9

  • SHA512

    1457d333019dbc65bb6bcf2fc7fda0f656864918021d65be5d9ee278028534d99a9e3a45ee87c875564917ec7e7c62a9bfcad873e78a6f2d18b64623d931f401

  • SSDEEP

    6144:3T3zjwfm1KZebYPlbd5Qqbp/irLauxyxPS5djYQ/MVCCkXmfUWFmOi24YB5bJP76:3rzs8XW4jpSJm

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 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
  • UPX packed file 3 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1280
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1424
        • C:\Users\Admin\AppData\Local\Temp\56ad558d7e451d8c6ef00f142f60937b4039d9257b75994f6eb536868f133da9.exe
          "C:\Users\Admin\AppData\Local\Temp\56ad558d7e451d8c6ef00f142f60937b4039d9257b75994f6eb536868f133da9.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1468
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1396

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

          Filesize

          8KB

        • memory/1468-55-0x0000000002080000-0x000000000310E000-memory.dmp

          Filesize

          16.6MB

        • memory/1468-56-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1468-57-0x0000000000240000-0x000000000027C000-memory.dmp

          Filesize

          240KB

        • memory/1468-58-0x0000000002080000-0x000000000310E000-memory.dmp

          Filesize

          16.6MB

        • memory/1468-59-0x00000000002D0000-0x00000000002D2000-memory.dmp

          Filesize

          8KB

        • memory/1468-60-0x0000000000240000-0x000000000024D000-memory.dmp

          Filesize

          52KB

        • memory/1468-61-0x0000000002080000-0x000000000310E000-memory.dmp

          Filesize

          16.6MB