Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 09:40

General

  • Target
    d32dea7cb0b3edb651238d7fb1630901.exe
  • Size 100KB
  • Sample240318-lnchcade93
  • SHA256 4d5aa0db772b2a4ff191b300412ecbbaee261dd99696f26fc2388ac42a276a28
  • MD5 SHA1 SHA512 SSDEEP

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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 38 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:408
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2416
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2444
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2628
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3356
                  • C:\Users\Admin\AppData\Local\Temp\d32dea7cb0b3edb651238d7fb1630901.exe
                    "C:\Users\Admin\AppData\Local\Temp\d32dea7cb0b3edb651238d7fb1630901.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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3916
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3512
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2364
                              • 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:3156
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:652
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                    1⤵
                                      PID:3112
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x2b4,0x7ff9732e2e98,0x7ff9732e2ea4,0x7ff9732e2eb0
                                        2⤵
                                          PID:2576
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2244 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:2
                                          2⤵
                                            PID:2100
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3252 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:3
                                            2⤵
                                              PID:2624
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3364 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
                                              2⤵
                                                PID:4556
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5364 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:4832
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5612 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:1
                                                  2⤵
                                                    PID:3200
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1400 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
                                                    2⤵
                                                    • Executes dropped EXE
                                                    PID:4572
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                                  1⤵
                                                    PID:3920
                                                  • C:\Windows\system32\backgroundTaskHost.exe
                                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                    1⤵
                                                      PID:5068
                                                    • C:\Windows\system32\backgroundTaskHost.exe
                                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                                      1⤵
                                                        PID:4580
                                                      • C:\Windows\System32\RuntimeBroker.exe
                                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                        1⤵
                                                          PID:1584
                                                        • C:\Windows\System32\sihclient.exe
                                                          C:\Windows\System32\sihclient.exe /cv GoHKiq7+IkaeQpVTx5309w.0.2
                                                          1⤵
                                                            PID:2384
                                                          • C:\Windows\System32\RuntimeBroker.exe
                                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                            1⤵
                                                              PID:5068

                                                            Network

                                                                  MITRE ATT&CK Enterprise v15

                                                                  Replay Monitor

                                                                  Loading Replay Monitor...

                                                                  Downloads

                                                                  msedge.exe

                                                                  • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                                  • Size 2.1MB
                                                                  • SHA256 e6be7f8d9d354e26d3269232bad9738eb29fa1e260192d7d9a95beec93b984c0
                                                                  • MD5 SHA1 SHA512 SSDEEP

                                                                  nkqlwt.pif

                                                                  • Path F:\nkqlwt.pif
                                                                  • Size 100KB
                                                                  • SHA256 8b4026f3a5eb136adda394f6be974ba8cf5014504d04d3d80318753e87b40711
                                                                  • MD5 SHA1 SHA512 SSDEEP

                                                                  memory/3916-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-5-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-6-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-7-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-8-0x0000000003460000-0x0000000003462000-memory.dmp

                                                                  memory/3916-9-0x0000000003A00000-0x0000000003A01000-memory.dmp

                                                                  memory/3916-10-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-14-0x0000000003460000-0x0000000003462000-memory.dmp

                                                                  memory/3916-15-0x0000000003460000-0x0000000003462000-memory.dmp

                                                                  memory/3916-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-20-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-24-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-29-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                                                  memory/3916-27-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-31-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-34-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-36-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-38-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-40-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-42-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-44-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-50-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-51-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-53-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-56-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-58-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-59-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-67-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-69-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                                  memory/3916-71-0x0000000003460000-0x0000000003462000-memory.dmp

                                                                  memory/3916-2-0x00000000022C0000-0x000000000334E000-memory.dmp