Overview

overview

10

Static

static

3

2024-06-30...re.exe

windows7-x64

10

2024-06-30...re.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 21:23

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General

  • Target

    2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe

  • Size

    524KB

  • MD5

    21202d527bb25a3d3d5d9a3120cbb010

  • SHA1

    b97381cd878b90b4d88afd8068d2055602d4b663

  • SHA256

    883552dd63280cad78c0b565fbcd1d86f341f9cf9efae85130397da08f6b0a36

  • SHA512

    aa7812e19fcec72dcf508028d9b902adf68da20f6dbaced5acd2ef5e205f418d60086518b815eb160a336e01ddbf5e318e8668c28ea7fe3587c9a1e53807c23b

  • SSDEEP

    6144:KR2N0LGuHjvd1YTss408BomB8ePhrlp49MPOGyf3/09tAFP4syvIFWaCM:KRFrYhOJPhrlOwOaW4pISM

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

Signatures

  • Modifies firewall policy service 3 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 11 IoCs
  • UPX dump on OEP (original entry point) 12 IoCs
  • UPX packed file 11 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:1384
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:780
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3196
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3492
                  • C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe
                    "C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.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:4892
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3608
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3808
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3148
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3912
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:1852
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2860
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4900
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:2752
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1272
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:4308

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4892-0-0x0000000000400000-0x0000000000488000-memory.dmp

                                          Filesize

                                          544KB

                                          Download

                                        • memory/4892-3-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-8-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-18-0x0000000004810000-0x0000000004811000-memory.dmp

                                          Filesize

                                          4KB

                                          Download

                                        • memory/4892-20-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-10-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-16-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-34-0x0000000000400000-0x0000000000488000-memory.dmp

                                          Filesize

                                          544KB

                                          Download

                                        • memory/4892-26-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-21-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/4892-12-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-9-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-5-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-6-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download

                                        • memory/4892-19-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/4892-17-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/4892-4-0x00000000024A0000-0x000000000355A000-memory.dmp

                                          Filesize

                                          16.7MB

                                          Download