Analysis

  • max time kernel
    141s
  • 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
    25-05-2024 22:32

General

  • Target

    657c569d979cab01777476413c36cefce1b26efd165dcef6efcc4d9f71e63534.dll

  • Size

    120KB

  • MD5

    57174b61a9f9c01790b74a83e3a8ab63

  • SHA1

    5231bedd1ad0254cea1aaca5d3bb3d143d7c80da

  • SHA256

    657c569d979cab01777476413c36cefce1b26efd165dcef6efcc4d9f71e63534

  • SHA512

    ff0b89219864381ce6fdb76e7aca630c708e79888634ddeef8b4c41e616452966351ad39b098b7cc6382a09f26230c592458965625054751156466ea7fc59498

  • SSDEEP

    3072:iwMmE7AP/BMvpnIzCdasFgsBc+ROWvfQ9vhFx5:omE7AnCVRysBr06fQjFx

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 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 30 IoCs
  • UPX dump on OEP (original entry point) 34 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 30 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 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:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2432
          • 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:2572
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3196
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\657c569d979cab01777476413c36cefce1b26efd165dcef6efcc4d9f71e63534.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2620
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\657c569d979cab01777476413c36cefce1b26efd165dcef6efcc4d9f71e63534.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:656
                      • C:\Users\Admin\AppData\Local\Temp\e5828ef.exe
                        C:\Users\Admin\AppData\Local\Temp\e5828ef.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 Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5300
                      • C:\Users\Admin\AppData\Local\Temp\e5837c4.exe
                        C:\Users\Admin\AppData\Local\Temp\e5837c4.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • System policy modification
                        PID:2016
                      • C:\Users\Admin\AppData\Local\Temp\e584570.exe
                        C:\Users\Admin\AppData\Local\Temp\e584570.exe
                        4⤵
                        • Executes dropped EXE
                        PID:2616
                      • C:\Users\Admin\AppData\Local\Temp\e5845fd.exe
                        C:\Users\Admin\AppData\Local\Temp\e5845fd.exe
                        4⤵
                        • Executes dropped EXE
                        PID:5336
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3484
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3736
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3828
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3928
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3612
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4624
                              • 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:3668
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2868
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                    1⤵
                                      PID:1592
                                      • 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,0x240,0x234,0x2f0,0x7ffd7c282e98,0x7ffd7c282ea4,0x7ffd7c282eb0
                                        2⤵
                                          PID:4604
                                        • 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=2276 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:2
                                          2⤵
                                            PID:3172
                                          • 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=2340 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:3
                                            2⤵
                                              PID:3580
                                            • 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=2520 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
                                              2⤵
                                                PID:920
                                              • 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=5312 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:5620
                                                • 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=5568 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:1
                                                  2⤵
                                                    PID:5636
                                                  • 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=3920 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
                                                    2⤵
                                                      PID:5052

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • C:\Users\Admin\AppData\Local\Temp\e5828ef.exe

                                                    Filesize

                                                    97KB

                                                    MD5

                                                    6f3b7fedbd4eff9816b7c33aa008ebc4

                                                    SHA1

                                                    b827805984c91c015e33301b620c594e2b3ba26a

                                                    SHA256

                                                    412e85dcfe112acf10d84b0014e86dbc19c7761b3f2af682d837a0f070fa63e4

                                                    SHA512

                                                    da89f3dbb292f599a71b5690d0059bec0a5c49939968303b55a3710655225697028b29661318775ba025951dcd31957836245723ba50c66640fd473564d9297a

                                                  • C:\Windows\SYSTEM.INI

                                                    Filesize

                                                    257B

                                                    MD5

                                                    7b301c354cdb6eb2da5a8d772efd5943

                                                    SHA1

                                                    088feab7c00a78304d57d59f5a268ea6076b6f71

                                                    SHA256

                                                    54f4248a6de2b032d1c16b6ad978d5681323c58ac5d412d6a1c279fd7155aaf0

                                                    SHA512

                                                    cb413d5ba45fcbb19507716a295ed7d1e87856f42952b6bb814ebbe022eff8f7ef248a8a58d3817b2ca1bc6763ee9efb7627ca067076be65bfff2965ba6b006e

                                                  • memory/656-24-0x00000000005A0000-0x00000000005A1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/656-50-0x0000000000590000-0x0000000000592000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/656-31-0x0000000000590000-0x0000000000592000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/656-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/656-28-0x0000000000590000-0x0000000000592000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/656-23-0x0000000000590000-0x0000000000592000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2016-120-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2016-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2016-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2016-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2016-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/2016-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/2016-129-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/2616-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2616-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2616-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2616-124-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/2616-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/5300-55-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-16-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-39-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-40-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-18-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/5300-30-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/5300-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-56-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-57-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-59-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-63-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-14-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-7-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-27-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/5300-26-0x0000000001C00000-0x0000000001C01000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/5300-17-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-15-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-71-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-78-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-80-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-83-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-85-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-87-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-88-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-97-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/5300-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/5300-91-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5300-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                                    Filesize

                                                    16.7MB

                                                  • memory/5336-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/5336-76-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/5336-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/5336-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                                    Filesize

                                                    72KB