Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 05:25

General

  • Target

    fe20871af24272e9c0fc7638aec10eebfe44eeb1973f8f3b533f5d383e809486.dll

  • Size

    120KB

  • MD5

    acab380414bf5d74b689cf9f6923f518

  • SHA1

    207b5953dbfa696a3d887d1523c302a060eed848

  • SHA256

    fe20871af24272e9c0fc7638aec10eebfe44eeb1973f8f3b533f5d383e809486

  • SHA512

    40481bfe647131feb647b423d328ca6445a48195a935ba65e80dd48a3401821923003a485ddaa321cd8ac3c692f0ddccbaef179a29ffdc94e6f04a4b0d44641a

  • SSDEEP

    1536:TP5I1kkXSUS4Ojou4n+OTCtaP0qGQItjeZmzmtKMqT7VW0PJqI2o0Wlwjsx8bvz/:TP52JGB7aP/Itavt2dWSJRr0dwiL/

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 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 26 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 24 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 9 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2532
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2564
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2812
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe20871af24272e9c0fc7638aec10eebfe44eeb1973f8f3b533f5d383e809486.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2868
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe20871af24272e9c0fc7638aec10eebfe44eeb1973f8f3b533f5d383e809486.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3972
                      • C:\Users\Admin\AppData\Local\Temp\e57e6b6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e6b6.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3808
                      • C:\Users\Admin\AppData\Local\Temp\e57e82d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e82d.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4908
                      • C:\Users\Admin\AppData\Local\Temp\e581085.exe
                        C:\Users\Admin\AppData\Local\Temp\e581085.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4972
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 84
                          5⤵
                          • Program crash
                          PID:4188
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:432
                            • 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:2456
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                1⤵
                                  PID:4396
                                  • 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=124.0.6367.118 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=124.0.2478.80 --initial-client-data=0x238,0x23c,0x240,0x234,0x248,0x7ffcb30dceb8,0x7ffcb30dcec4,0x7ffcb30dced0
                                    2⤵
                                      PID:4468
                                    • 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=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2284,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=2280 /prefetch:2
                                      2⤵
                                        PID:3352
                                      • 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 --field-trial-handle=1948,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=2316 /prefetch:3
                                        2⤵
                                          PID:2392
                                        • 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 --field-trial-handle=2464,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3328 /prefetch:8
                                          2⤵
                                            PID:3208
                                          • 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 --field-trial-handle=1320,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8
                                            2⤵
                                              PID:2460
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:2920
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:3144
                                              • C:\Windows\system32\backgroundTaskHost.exe
                                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                                1⤵
                                                  PID:3520
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                  1⤵
                                                    PID:3360
                                                  • C:\Windows\System32\RuntimeBroker.exe
                                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                    1⤵
                                                      PID:4512
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4972 -ip 4972
                                                      1⤵
                                                        PID:3544

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

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                                                      Downloads

                                                      • C:\Users\Admin\AppData\Local\Temp\e57e6b6.exe

                                                        Filesize

                                                        97KB

                                                        MD5

                                                        4b102c7efb181e6fc185900d396d9f04

                                                        SHA1

                                                        803b9e9cbccfe73d7c04bf463e08d66b9420b8c6

                                                        SHA256

                                                        d518af8f5b20b8555a31ab68f0f06be7c977bf9a4b08cc50b73227c6b0cbd38b

                                                        SHA512

                                                        3a1e349f6a0554a4570516c33c86981b55e97b9c2d4d961f26e78542e97f05956225aa7d3d9c8a255f1432fd66eebe8b64bf3697aebe9b39bfcb5f7fbf578682

                                                      • memory/3808-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-57-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-25-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3808-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3808-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-80-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3808-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-70-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-69-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3808-15-0x00000000019C0000-0x00000000019C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3808-28-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3808-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-65-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-64-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-62-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-60-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-59-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3808-56-0x00000000007B0000-0x000000000186A000-memory.dmp

                                                        Filesize

                                                        16.7MB

                                                      • memory/3972-3-0x0000000010000000-0x0000000010020000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/3972-53-0x00000000007B0000-0x00000000007C4000-memory.dmp

                                                        Filesize

                                                        80KB

                                                      • memory/3972-48-0x0000000004080000-0x0000000004082000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3972-12-0x0000000004080000-0x0000000004082000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3972-13-0x0000000004110000-0x0000000004111000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3972-16-0x0000000004080000-0x0000000004082000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/3972-27-0x00000000007B0000-0x00000000007C4000-memory.dmp

                                                        Filesize

                                                        80KB

                                                      • memory/4908-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/4908-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/4908-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/4908-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/4972-46-0x00000000001D0000-0x00000000001D1000-memory.dmp

                                                        Filesize

                                                        4KB