Analysis

  • max time kernel
    115s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/02/2024, 06:03

General

  • Target

    addb9645270a6dfdae9c1c740eb45353.exe

  • Size

    381KB

  • MD5

    addb9645270a6dfdae9c1c740eb45353

  • SHA1

    d44dff3faebd16c5703f77bd58c0acbd64eb26ae

  • SHA256

    a167b6fc2838aa7a0153db443885bb5d1a8b74774eb60368ba064fc751c4be28

  • SHA512

    b601850abc1c21b038ea51e2549d3ceacf0f8048eee900025541cbc541898c4aca5a14e81cd865b55b1f9d05216b4399986f38ca6f675e9075a4504ffa8e7d66

  • SSDEEP

    6144:XZKlg1Vlhw/aAa1Zg30ZTNWSG6/7aDdWCn54YqcDe/NpXsGKLu8Nvswpy2Ua8RGL:X20VlhganzrWSG6zIWC5kcDeltmxvssN

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 10 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
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:2880
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:468
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:4896
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:4476
            • 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=5516 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:1
              1⤵
                PID:3680
              • 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=5276 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:1
                1⤵
                  PID:3856
                • 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=3536 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:8
                  1⤵
                    PID:1956
                  • 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=3304 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:3
                    1⤵
                      PID:2408
                    • 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=2968 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:2
                      1⤵
                        PID:5032
                      • 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,0x240,0x234,0x2e0,0x7ff90cd62e98,0x7ff90cd62ea4,0x7ff90cd62eb0
                        1⤵
                          PID:4500
                        • C:\Users\Admin\AppData\Local\Temp\addb9645270a6dfdae9c1c740eb45353.exe
                          "C:\Users\Admin\AppData\Local\Temp\addb9645270a6dfdae9c1c740eb45353.exe"
                          1⤵
                          • Modifies firewall policy service
                          • UAC bypass
                          • Windows security bypass
                          • Disables RegEdit via registry modification
                          • Windows security modification
                          • Checks whether UAC is enabled
                          • Drops file in Windows directory
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:2120
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                          1⤵
                            PID:1348
                            • 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=5740 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:8
                              2⤵
                                PID:4728
                            • 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:4716
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:340
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4256
                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                    1⤵
                                      PID:3800
                                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                      1⤵
                                        PID:4080
                                      • C:\Windows\system32\DllHost.exe
                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                        1⤵
                                          PID:3928
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                          1⤵
                                            PID:3736
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:3556
                                            • C:\Windows\system32\taskhostw.exe
                                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                              1⤵
                                                PID:2620
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                1⤵
                                                  PID:2484
                                                • C:\Windows\system32\sihost.exe
                                                  sihost.exe
                                                  1⤵
                                                    PID:2468
                                                  • C:\Windows\system32\fontdrvhost.exe
                                                    "fontdrvhost.exe"
                                                    1⤵
                                                      PID:788
                                                    • C:\Windows\system32\fontdrvhost.exe
                                                      "fontdrvhost.exe"
                                                      1⤵
                                                        PID:784
                                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                                        1⤵
                                                          PID:236

                                                        Network

                                                              MITRE ATT&CK Enterprise v15

                                                              Replay Monitor

                                                              Loading Replay Monitor...

                                                              Downloads

                                                              • C:\Users\Admin\AppData\Local\Temp\0E576C75_Rar\addb9645270a6dfdae9c1c740eb45353.exe

                                                                Filesize

                                                                309KB

                                                                MD5

                                                                07f9b39ab7d6cf3de214362b126e6149

                                                                SHA1

                                                                992e0d52ecc404f25a967ef7163a93a390953764

                                                                SHA256

                                                                8df33eeb4c2851a15fcad641cc988cf1f0c836f09fbbde6163ba38ade2a39110

                                                                SHA512

                                                                77e417447d9e767b74b1c2baff250b2ea116b9f92f649819ce9e700597c12b3b3320e2d9eb52e91f2aa144448be2c30f8bb67b66eff32e8b554c836ded553cbb

                                                              • memory/2120-15-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-17-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-9-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-11-0x00000000037B0000-0x00000000037B2000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/2120-10-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-14-0x00000000037B0000-0x00000000037B2000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/2120-7-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-12-0x00000000037C0000-0x00000000037C1000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/2120-16-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-0-0x0000000000400000-0x0000000000462000-memory.dmp

                                                                Filesize

                                                                392KB

                                                              • memory/2120-18-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-19-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-20-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-28-0x00000000037B0000-0x00000000037B2000-memory.dmp

                                                                Filesize

                                                                8KB

                                                              • memory/2120-22-0x0000000002350000-0x00000000033DE000-memory.dmp

                                                                Filesize

                                                                16.6MB

                                                              • memory/2120-33-0x0000000000400000-0x0000000000462000-memory.dmp

                                                                Filesize

                                                                392KB