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Overview

overview

10

Static

static

39d82dd1eb...57.exe

windows7-x64

10

39d82dd1eb...57.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    46s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:58

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General

  • Target

    39d82dd1eb0431a1342b60d4d5388325f4674709caad644f63231cf0e1746857.exe

  • Size

    523KB

  • MD5

    3b38d6c81a3829071563f79ba2eefea0

  • SHA1

    daa3dff9b43a6f55e50f0c148fa8ee219d860d72

  • SHA256

    39d82dd1eb0431a1342b60d4d5388325f4674709caad644f63231cf0e1746857

  • SHA512

    2221bfdfdbf8d2e64aba535d193eeb6813c9afa87d6a370efab6ea870f06f9f896069bd233cd03a88698f6de7b03f6ab39a1ffbeca48751e2465428cbd07800e

  • SSDEEP

    6144:KEdd6dd0d6ddddgddgwqmsvjxYvrD9C+2k06fm2ayqOX9vu6gOE96FYQuRAOZMUN:Vdd6dd0d6ddddgddCZRjj/k/BOsjAdv3

Score
10/10
salitybackdoorevasiontrojanupx

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
    evasion
  • Sality

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

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 2 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1328
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1400
        • C:\Users\Admin\AppData\Local\Temp\39d82dd1eb0431a1342b60d4d5388325f4674709caad644f63231cf0e1746857.exe
          "C:\Users\Admin\AppData\Local\Temp\39d82dd1eb0431a1342b60d4d5388325f4674709caad644f63231cf0e1746857.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:1200
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1228

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1200-55-0x0000000002060000-0x00000000030EE000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/1200-56-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

          Download

        • memory/1200-57-0x0000000002060000-0x00000000030EE000-memory.dmp

          Filesize

          16.6MB

          Download