Analysis

  • max time kernel
    220s
  • max time network
    249s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 19:03

General

  • Target

    166312a107b0bb7d192336346dd04b7fc07e8ff988078caa2e2c485d088a3669.exe

  • Size

    348KB

  • MD5

    526bbf3f8456c475fa5abcadb675f4f4

  • SHA1

    aff329735bb388f03a38985fff3cfe54ac29b206

  • SHA256

    166312a107b0bb7d192336346dd04b7fc07e8ff988078caa2e2c485d088a3669

  • SHA512

    a97f4ee75a832ebc77501b8dfb69d5509735ce499078cc466cdad105126262bbf6a5c49e81c1ab76c3ff30d9c12ad081de43a9910f419451345e40f59c5e3d77

  • SSDEEP

    6144:LrGABDkpgFSiFcg5IN7th9B1BZv/8eEa2hBOYp:LrGABIgjcgGlhIOc

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/

http://klkjwre77638dfqwieuoi888.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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\166312a107b0bb7d192336346dd04b7fc07e8ff988078caa2e2c485d088a3669.exe
            "C:\Users\Admin\AppData\Local\Temp\166312a107b0bb7d192336346dd04b7fc07e8ff988078caa2e2c485d088a3669.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:948

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Modify Existing Service

        1
        T1031

        Registry Run Keys / Startup Folder

        1
        T1060

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Modify Registry

        6
        T1112

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        3
        T1089

        Discovery

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/948-54-0x0000000075551000-0x0000000075553000-memory.dmp
          Filesize

          8KB

        • memory/948-55-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/948-56-0x0000000001E40000-0x0000000002ECE000-memory.dmp
          Filesize

          16.6MB

        • memory/948-57-0x0000000001E40000-0x0000000002ECE000-memory.dmp
          Filesize

          16.6MB

        • memory/948-58-0x00000000003F0000-0x00000000003F2000-memory.dmp
          Filesize

          8KB

        • memory/948-59-0x0000000001E40000-0x0000000002ECE000-memory.dmp
          Filesize

          16.6MB

        • memory/948-60-0x00000000003F0000-0x00000000003F2000-memory.dmp
          Filesize

          8KB

        • memory/948-61-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB