Overview

overview

10

Static

static

36af8eb23e...9a.exe

windows7_x64

10

36af8eb23e...9a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:03

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General

  • Target

    36af8eb23e7b3c1f7a8e3a0baf9972580b9f6004e748100511e50da0fcd4b29a.exe

  • Size

    883KB

  • MD5

    1a0cc91e3e90d89d7a717fd6d3787c64

  • SHA1

    ce4323bc4033f2f81ee3903ac2fb7873f6bd0ade

  • SHA256

    36af8eb23e7b3c1f7a8e3a0baf9972580b9f6004e748100511e50da0fcd4b29a

  • SHA512

    d67c64c1ac8a8935990ae86ffda9cf208348a29db0ccf1e513c550fe5b91beb55ab9700253d4f5030acd87765229a7971237ae38844e924a9a68b01dbb432b85

Score
10/10
salitybackdoorbootkitevasionpersistencetrojanupx

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

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
    evasiontrojan
  • Windows security bypass 2 TTPs
    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
  • Enumerates connected drives 3 TTPs 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\36af8eb23e7b3c1f7a8e3a0baf9972580b9f6004e748100511e50da0fcd4b29a.exe
        "C:\Users\Admin\AppData\Local\Temp\36af8eb23e7b3c1f7a8e3a0baf9972580b9f6004e748100511e50da0fcd4b29a.exe"
        2⤵
        • Modifies firewall policy service
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Writes to the Master Boot Record (MBR)
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:656
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1332
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1244
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:528
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
              1⤵
                PID:696

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Initial Access

              Replication Through Removable Media

              1
              T1091

              Execution

              Persistence

              Modify Existing Service

              1
              T1031

              Bootkit

              1
              T1067

              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

              Credential Access

              Discovery

              System Information Discovery

              3
              T1082

              Query Registry

              1
              T1012

              Peripheral Device Discovery

              1
              T1120

              Lateral Movement

              Replication Through Removable Media

              1
              T1091

              Collection

              Exfiltration

              Command and Control

              Impact

              Replay Monitor

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              Downloads

              • memory/656-54-0x00000000755A1000-0x00000000755A3000-memory.dmp
                Filesize

                8KB

                Download
              • memory/656-55-0x0000000001F50000-0x000000000300A000-memory.dmp
                Filesize

                16.7MB

                Download
              • memory/656-57-0x0000000000370000-0x0000000000372000-memory.dmp
                Filesize

                8KB

                Download
              • memory/656-56-0x0000000001F50000-0x000000000300A000-memory.dmp
                Filesize

                16.7MB

                Download
              • memory/656-58-0x0000000005F80000-0x0000000006A3A000-memory.dmp
                Filesize

                10.7MB

                Download