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Overview

overview

10

Static

static

3a41b43aba...c5.exe

windows7-x64

10

3a41b43aba...c5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:57

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General

  • Target

    3a41b43abab5b73ef673b11f5dfce6379684a447091a0d11911ef98b887a1bc5.exe

  • Size

    331KB

  • MD5

    206178bc798c79c34ec66dcec2848696

  • SHA1

    36d4b51119905362f5a07bb49f551cb80b8d4015

  • SHA256

    3a41b43abab5b73ef673b11f5dfce6379684a447091a0d11911ef98b887a1bc5

  • SHA512

    d63897b7b4e791aff98e8b9950ecf1b86f88d1494c06d94d8d351700c1eecfc4c6083b513f6b6009c67d3f325d93f34e9f1ca5deb78123dc4889955bd0c8f101

  • SSDEEP

    6144:wYZ2xjAjQTnyLl2CNXZPNeE4Km9uF4Brf8T4jZs1209e:wYZ2xjA0nel2CtZPNe07TC49e

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 3 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1184
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1232
        • C:\Users\Admin\AppData\Local\Temp\3a41b43abab5b73ef673b11f5dfce6379684a447091a0d11911ef98b887a1bc5.exe
          "C:\Users\Admin\AppData\Local\Temp\3a41b43abab5b73ef673b11f5dfce6379684a447091a0d11911ef98b887a1bc5.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 SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2024
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2024-54-0x0000000075441000-0x0000000075443000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2024-55-0x0000000001FE0000-0x000000000306E000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/2024-56-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download

        • memory/2024-57-0x0000000001FE0000-0x000000000306E000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/2024-58-0x00000000002B0000-0x00000000002B2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2024-59-0x00000000031F0000-0x00000000031F2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2024-60-0x0000000001FE0000-0x000000000306E000-memory.dmp

          Filesize

          16.6MB

          Download

        • memory/2024-61-0x00000000002B0000-0x00000000002B2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2024-62-0x00000000031F0000-0x00000000031F2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/2024-63-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

          Download