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Analysis

  • max time kernel
    148s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 19:25

General

  • Target

    374b17dc1f431a8ddb68ca00276747536569f7b0447b56479d1baf00f5ed4a7e.exe

  • Size

    100KB

  • MD5

    51e1708a42b792e339d3ed3654b2dde9

  • SHA1

    8c6fcf3eda4ed7c1d1bdcc980dcef7cdb86d7626

  • SHA256

    374b17dc1f431a8ddb68ca00276747536569f7b0447b56479d1baf00f5ed4a7e

  • SHA512

    de7a3de10446cc453c3e6bf858a463d979b16b3d27d8298022d824548ff1c037e65c3ca9598a95d5c23186ada7669e7abc7265a2739b777f61f9dfd053c6b6e6

  • SSDEEP

    1536:TclxRw/2D07Nef4e1JREs3AqKEnLRYrOj6KVuoRIeWNqn2vSC1kyhJ3nY:TclxRw/2MTULR8ToRIeWYnsSCKI3nY

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:1132
    • C:\Users\Admin\AppData\Local\Temp\374b17dc1f431a8ddb68ca00276747536569f7b0447b56479d1baf00f5ed4a7e.exe
      "C:\Users\Admin\AppData\Local\Temp\374b17dc1f431a8ddb68ca00276747536569f7b0447b56479d1baf00f5ed4a7e.exe"
      1⤵
      • 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:2000
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1224
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1184

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2000-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

          Filesize

          8KB

        • memory/2000-55-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/2000-56-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2000-57-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/2000-58-0x0000000000240000-0x0000000000242000-memory.dmp

          Filesize

          8KB

        • memory/2000-59-0x00000000743D1000-0x00000000743D3000-memory.dmp

          Filesize

          8KB

        • memory/2000-60-0x0000000002E70000-0x0000000002E72000-memory.dmp

          Filesize

          8KB

        • memory/2000-61-0x0000000001D40000-0x0000000002DCE000-memory.dmp

          Filesize

          16.6MB

        • memory/2000-62-0x0000000000240000-0x0000000000242000-memory.dmp

          Filesize

          8KB

        • memory/2000-63-0x0000000002E70000-0x0000000002E72000-memory.dmp

          Filesize

          8KB

        • memory/2000-64-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB