Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 11:41

General

  • Target

    9600e4ad6906b2f7ce9626b8b3e38c7ad28f38c4caff2a4b5b3c20b52bda90f2.exe

  • Size

    100KB

  • MD5

    56ba59179be3ec7709b7e5c2851d73e7

  • SHA1

    63dd831259afd1a53f5f7dfa34641c5b43f4e99a

  • SHA256

    9600e4ad6906b2f7ce9626b8b3e38c7ad28f38c4caff2a4b5b3c20b52bda90f2

  • SHA512

    d0ae642856e6e489042e45549900035501d8a13adfdee568b3c4d51d6acd7c4a8a14e326cf53f09cd6a0a0c71287f65bcf002f657cda7888a8435f48a2586bb1

  • SSDEEP

    1536:dSHuZJWXOghqNtlCkgbh+owyAe+JWhrole6uIfRvsEr+VF9CF3f0xK:NvWZhq7lENlwRzaovflsEr+P9CFcU

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 3 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
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9600e4ad6906b2f7ce9626b8b3e38c7ad28f38c4caff2a4b5b3c20b52bda90f2.exe
    "C:\Users\Admin\AppData\Local\Temp\9600e4ad6906b2f7ce9626b8b3e38c7ad28f38c4caff2a4b5b3c20b52bda90f2.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Disables RegEdit via registry modification
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:608
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1372
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1316
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1248

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/608-54-0x0000000075811000-0x0000000075813000-memory.dmp

          Filesize

          8KB

        • memory/608-55-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

          Filesize

          16.6MB

        • memory/608-56-0x0000000074551000-0x0000000074553000-memory.dmp

          Filesize

          8KB

        • memory/608-57-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/608-58-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

          Filesize

          16.6MB

        • memory/608-59-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/608-60-0x0000000003E60000-0x0000000003E62000-memory.dmp

          Filesize

          8KB

        • memory/608-61-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

          Filesize

          16.6MB

        • memory/608-62-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/608-63-0x0000000003E60000-0x0000000003E62000-memory.dmp

          Filesize

          8KB