Overview

overview

10

Static

static

3a3ae20f37...48.exe

windows7_x64

10

3a3ae20f37...48.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    190s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 06:08

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General

  • Target

    3a3ae20f3768b5c488841c1244f5433d033e0786fcecdc150c72a22b798e8948.exe

  • Size

    100KB

  • MD5

    dc40a0bfc4c64550ea1e5d71fced78c2

  • SHA1

    88dce2f6132ae2ca5eef97ce520e47ddc776dfc9

  • SHA256

    3a3ae20f3768b5c488841c1244f5433d033e0786fcecdc150c72a22b798e8948

  • SHA512

    d07c344770a25d9d8c99b66099d3d84c1a232d4ebd2b9121de36f0fd67ec3e776498e9b112e4f54a582576117067f8d92afff3b94c2e85dc90db75800e216ec5

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
  • 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 11 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2688
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2704
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2808
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3116
                  • C:\Users\Admin\AppData\Local\Temp\3a3ae20f3768b5c488841c1244f5433d033e0786fcecdc150c72a22b798e8948.exe
                    "C:\Users\Admin\AppData\Local\Temp\3a3ae20f3768b5c488841c1244f5433d033e0786fcecdc150c72a22b798e8948.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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2196
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3204
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3404
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3508
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3580
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3664
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3848

                            Network

                            MITRE ATT&CK Matrix ATT&CK v6

                            Initial Access

                            Replication Through Removable Media

                            1
                            T1091

                            Execution

                            Persistence

                            Modify Existing Service

                            1
                            T1031

                            Privilege Escalation

                            Bypass User Account Control

                            1
                            T1088

                            Defense Evasion

                            Modify Registry

                            5
                            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/2196-132-0x0000000000400000-0x0000000000414000-memory.dmp
                              Filesize

                              80KB

                              Download
                            • memory/2196-131-0x0000000002340000-0x00000000033CE000-memory.dmp
                              Filesize

                              16.6MB

                              Download
                            • memory/2196-133-0x0000000002340000-0x00000000033CE000-memory.dmp
                              Filesize

                              16.6MB

                              Download