Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 02:45

General

  • Target

    9758578049e3460b7b3a4c1cc4419477.exe

  • Size

    1011KB

  • MD5

    9758578049e3460b7b3a4c1cc4419477

  • SHA1

    793ee2781e6c9bfebfde0969ec8dbe06507526d4

  • SHA256

    63a76998c968b90197f27f94bf3e49b37db077da093cae7c346dd21ecc8cd854

  • SHA512

    7bfccdc823c3b4579938ab2c0aeb2e2fad80f5e6a37e24b9eaf14a98088be8041e918a731df9d5ef7adf07e87445d39fcc006cd8eaab4a840a897316a36e7ed3

  • SSDEEP

    12288:uFR9Y+Zfqam9llIijqgFc1ycKPWTW0n/T+QNWmgKS53YdiaH:uFR9Y+Z0llICPFQPVSoxH

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
  • 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 39 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:736
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:1964
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3228
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3476
                  • C:\Users\Admin\AppData\Local\Temp\9758578049e3460b7b3a4c1cc4419477.exe
                    "C:\Users\Admin\AppData\Local\Temp\9758578049e3460b7b3a4c1cc4419477.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • 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:2916
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3668
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3852
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4028
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:436
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4196
                            • 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:856
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4860
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:452
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:64
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1592

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • F:\krbwm.pif

                                        Filesize

                                        100KB

                                        MD5

                                        0c17043e5fc674592e81dfe75374ccb2

                                        SHA1

                                        583be3574853864c37263294096089d3292a1f0e

                                        SHA256

                                        6c3291eb792f193cd844eae1558591fe326f5aea790b1653a0fe4b2e1e15aa8d

                                        SHA512

                                        c8a195e498c4351c3154860c2cc0c62441c79c01f0f67d649441a09c9c1f1230d822aa6874f01a4d6c6d3b7c422a64b06a757fca5fcfbbc6977c6587a789b76f

                                      • memory/2916-25-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-68-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-7-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-26-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-13-0x0000000000C70000-0x0000000000C72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2916-14-0x0000000000C70000-0x0000000000C72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2916-11-0x0000000000C70000-0x0000000000C72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2916-6-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-5-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-8-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-4-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-3-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-10-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-15-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-16-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-17-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-18-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-30-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-21-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-22-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-23-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-0-0x0000000000400000-0x0000000000500000-memory.dmp

                                        Filesize

                                        1024KB

                                      • memory/2916-12-0x0000000000C80000-0x0000000000C81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2916-9-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-19-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-34-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-35-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-36-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-37-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-38-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-40-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-42-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-43-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-45-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-47-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-54-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-55-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-59-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-60-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-62-0x0000000000C70000-0x0000000000C72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2916-63-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-65-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-66-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-28-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2916-1-0x0000000002450000-0x00000000034DE000-memory.dmp

                                        Filesize

                                        16.6MB