Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 08:45

General

  • Target

    1408_cn_V8.3.0.0/1408_cn_8.3.0.0/foo.exe

  • Size

    304KB

  • MD5

    59555007edc2e58f84e02403b6524131

  • SHA1

    094aa76912fd62b3098617ed988c8b47529d1ebf

  • SHA256

    33fb93fce6f3e077a1bd82913cdbd14b50de9e5435db1aa2ecf344bd031ff5e4

  • SHA512

    522860b2cdfc1f5a2b38cfd5508d85557948bfc8762e302027b329bab49fc4b568b27d0cc5118bfd54ac60cdb3cd80545eb06e15ecaae93eeb55864e49cdf95f

  • SSDEEP

    3072:k/jazHf6wLjEVcatttttttnz/yikU+XNYvfxc+6o45qIQopTqJpmIA2ca2nBEx82:k/jMSSIz9f+XNOJLv45xRPETGjU78Eb

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

  • 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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 5 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2808
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2848
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2952
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3372
                  • C:\Users\Admin\AppData\Local\Temp\1408_cn_V8.3.0.0\1408_cn_8.3.0.0\foo.exe
                    "C:\Users\Admin\AppData\Local\Temp\1408_cn_V8.3.0.0\1408_cn_8.3.0.0\foo.exe"
                    2⤵
                    • 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:536
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • Modifies Windows Firewall
                      PID:404
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3880
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3972
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4108
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4800
                              • 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:2272
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                  1⤵
                                    PID:3848
                                    • 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=0x23c,0x240,0x244,0x238,0x214,0x7ff825262e98,0x7ff825262ea4,0x7ff825262eb0
                                      2⤵
                                        PID:1292
                                      • 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=2740 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:2
                                        2⤵
                                          PID:3312
                                        • 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=2800 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:3
                                          2⤵
                                            PID:3112
                                          • 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=3096 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
                                            2⤵
                                              PID:3428
                                            • 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=5408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:1
                                              2⤵
                                                PID:4128
                                              • 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=5544 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:3892
                                                • 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=5000 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
                                                  2⤵
                                                    PID:3864
                                                • C:\Windows\system32\AUDIODG.EXE
                                                  C:\Windows\system32\AUDIODG.EXE 0x3d0 0x2f8
                                                  1⤵
                                                    PID:4520

                                                  Network

                                                  MITRE ATT&CK Matrix ATT&CK v13

                                                  Persistence

                                                  Create or Modify System Process

                                                  1
                                                  T1543

                                                  Windows Service

                                                  1
                                                  T1543.003

                                                  Privilege Escalation

                                                  Abuse Elevation Control Mechanism

                                                  1
                                                  T1548

                                                  Bypass User Account Control

                                                  1
                                                  T1548.002

                                                  Create or Modify System Process

                                                  1
                                                  T1543

                                                  Windows Service

                                                  1
                                                  T1543.003

                                                  Defense Evasion

                                                  Abuse Elevation Control Mechanism

                                                  1
                                                  T1548

                                                  Bypass User Account Control

                                                  1
                                                  T1548.002

                                                  Impair Defenses

                                                  4
                                                  T1562

                                                  Disable or Modify Tools

                                                  3
                                                  T1562.001

                                                  Disable or Modify System Firewall

                                                  1
                                                  T1562.004

                                                  Modify Registry

                                                  4
                                                  T1112

                                                  Discovery

                                                  System Information Discovery

                                                  1
                                                  T1082

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/536-0-0x0000000000400000-0x0000000000480000-memory.dmp
                                                    Filesize

                                                    512KB

                                                  • memory/536-2-0x0000000002430000-0x0000000003463000-memory.dmp
                                                    Filesize

                                                    16.2MB

                                                  • memory/536-6-0x0000000002430000-0x0000000003463000-memory.dmp
                                                    Filesize

                                                    16.2MB

                                                  • memory/536-9-0x0000000002430000-0x0000000003463000-memory.dmp
                                                    Filesize

                                                    16.2MB

                                                  • memory/536-13-0x0000000000B70000-0x0000000000B72000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/536-12-0x00000000034F0000-0x00000000034F1000-memory.dmp
                                                    Filesize

                                                    4KB

                                                  • memory/536-11-0x0000000000B70000-0x0000000000B72000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/536-14-0x0000000000B70000-0x0000000000B72000-memory.dmp
                                                    Filesize

                                                    8KB

                                                  • memory/536-15-0x0000000002430000-0x0000000003463000-memory.dmp
                                                    Filesize

                                                    16.2MB

                                                  • memory/536-17-0x0000000002430000-0x0000000003463000-memory.dmp
                                                    Filesize

                                                    16.2MB

                                                  • memory/536-39-0x0000000000400000-0x0000000000480000-memory.dmp
                                                    Filesize

                                                    512KB