Analysis

  • max time kernel
    149s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 01:38

General

  • Target

    ead539f72eaf2082b82c3d8ca7d8940d8911d53f259af08f791a86b35d29d882.exe

  • Size

    100KB

  • MD5

    8468b5e647cc62dffb4656a677bc47d0

  • SHA1

    ecbc59fc4d588c277d6c2baff5f0f137a1f907bb

  • SHA256

    ead539f72eaf2082b82c3d8ca7d8940d8911d53f259af08f791a86b35d29d882

  • SHA512

    a5e570fee0669143cd420b5b2f82150f75053b377ece73e7c6ac04b9175282979b7a214c349aee6333fc3197863eb31e06a5f89271c4e4a4a59d7c49c7f52c7f

  • SSDEEP

    3072:ClLztWW32/havBsCfTZHMM3m1DJTmerukI:Cl4W3yEmgTZsM3mPp

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 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 5 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:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1192
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1284
        • C:\Users\Admin\AppData\Local\Temp\ead539f72eaf2082b82c3d8ca7d8940d8911d53f259af08f791a86b35d29d882.exe
          "C:\Users\Admin\AppData\Local\Temp\ead539f72eaf2082b82c3d8ca7d8940d8911d53f259af08f791a86b35d29d882.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • 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:756
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1220

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/756-54-0x0000000075831000-0x0000000075833000-memory.dmp

          Filesize

          8KB

        • memory/756-55-0x0000000001DE0000-0x0000000002E6E000-memory.dmp

          Filesize

          16.6MB

        • memory/756-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/756-57-0x0000000001DE0000-0x0000000002E6E000-memory.dmp

          Filesize

          16.6MB

        • memory/756-58-0x0000000074C71000-0x0000000074C73000-memory.dmp

          Filesize

          8KB

        • memory/756-59-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/756-60-0x0000000001DE0000-0x0000000002E6E000-memory.dmp

          Filesize

          16.6MB

        • memory/756-61-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/756-62-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB