Analysis

  • max time kernel
    120s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 10:02

General

  • Target

    fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67N.exe

  • Size

    396KB

  • MD5

    93e540d2b394da384859ec144c53b1c0

  • SHA1

    62f7b1e6322030ba4be88e9510254ea998872ccb

  • SHA256

    fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67

  • SHA512

    6faae6c6b892b2a23e5115f783fd5cbc6edcf70280cb7b14ccdb73ee9a705efa08f59b8d08b40927002e3f99e41b35c42e75766d0f5acaa6299c8e91d7e6d573

  • SSDEEP

    6144:tRW2qsuvMbvN2/W9XDZ8rylncZVZLU3vKaxOeB59oxn1R93Lr2BBMWoQQ:tRW2q5vMjN2/WhDuD/Z4CaUO6THONoQQ

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2684
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2732
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2980
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67N.exe
                    "C:\Users\Admin\AppData\Local\Temp\fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Suspicious use of SetThreadContext
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3048
                    • C:\Users\Admin\AppData\Local\Temp\fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67N.exe
                      "C:\Users\Admin\AppData\Local\Temp\fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67N.exe"
                      3⤵
                      • Checks computer location settings
                      • Adds Run key to start application
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2668
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pkkuonpzkl.bat" "
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:1648
                        • C:\Windows\System32\Conhost.exe
                          \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                          5⤵
                            PID:4944
                        • C:\Windows\M-505059720970246082475082628448545\winmgr.exe
                          C:\Windows\M-505059720970246082475082628448545\winmgr.exe
                          4⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          • System Location Discovery: System Language Discovery
                          PID:228
                          • C:\Windows\M-505059720970246082475082628448545\winmgr.exe
                            C:\Windows\M-505059720970246082475082628448545\winmgr.exe
                            5⤵
                            • Executes dropped EXE
                            • Drops file in Program Files directory
                            • System Location Discovery: System Language Discovery
                            PID:5080
                  • 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:3764
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3852
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3952
                          • 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:4212
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2168
                                • 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:4460
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:5088

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\phqghumeay

                                      Filesize

                                      397KB

                                      MD5

                                      b439d3c976782cece3667387e73e73d9

                                      SHA1

                                      e567d1bcb09e4200b72c2bc4f1ba54085053c862

                                      SHA256

                                      82b9739cf3cda8cbc65ea151ca331e492c09108c0c458f8452a5280505e34fcb

                                      SHA512

                                      e556be2addf5c321ac584f26ad18f2901079db13b31bf85efa80b63b7963a4d5e33b57b8391ac4149a9290e4044b89e2a6d4564da28ed53b10b304bfeda1bad9

                                    • C:\Users\Admin\AppData\Local\Temp\pkkuonpzkl.bat

                                      Filesize

                                      304B

                                      MD5

                                      a95e7ca234efcdee6c8028596b3a6ba0

                                      SHA1

                                      b84b7495713592dae9eed9936cf2d69826ad4943

                                      SHA256

                                      22ab7f21547708974c6bb212add86a86fd59d7c2b9132472c0ed151fc766da0e

                                      SHA512

                                      88ee8a979d616075da34d139c53c6fcb0c483d5f608d7ad881f3d904cf63257cfcca3ecf9eb3337600fd69c0f90e16aeaacb4c5e9b7f3221ecdc3f9ab304c94a

                                    • C:\Windows\M-505059720970246082475082628448545\winmgr.exe

                                      Filesize

                                      396KB

                                      MD5

                                      93e540d2b394da384859ec144c53b1c0

                                      SHA1

                                      62f7b1e6322030ba4be88e9510254ea998872ccb

                                      SHA256

                                      fb6a3dc22853445899cdfadc8316cc2a208c608a5cfd0bbb708de0536a77cb67

                                      SHA512

                                      6faae6c6b892b2a23e5115f783fd5cbc6edcf70280cb7b14ccdb73ee9a705efa08f59b8d08b40927002e3f99e41b35c42e75766d0f5acaa6299c8e91d7e6d573

                                    • C:\sosms.pif

                                      Filesize

                                      97KB

                                      MD5

                                      c6b03eb1f256838d5bb59eef3a753c84

                                      SHA1

                                      6f2b9bff2eeed029fa2384011bff16998739b386

                                      SHA256

                                      baceb0bc7c7a5eeb792aaf5c46dbc8afa6477c021f43918602f3d1097e700b16

                                      SHA512

                                      63178a0e65eff9b9a1963a65b8d68747c370eca0cca43ecff87ec800d5f5aa1ba19d2559d9d5bed4f44e4dc65a3fccbf61a543784e6e604aa262951c1df45348

                                    • memory/228-60-0x0000000000460000-0x0000000000461000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/228-62-0x0000000000450000-0x0000000000452000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/228-144-0x0000000003000000-0x000000000306B000-memory.dmp

                                      Filesize

                                      428KB

                                    • memory/228-130-0x0000000000670000-0x0000000000770000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/228-86-0x0000000000450000-0x0000000000452000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/228-61-0x0000000000450000-0x0000000000452000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/228-109-0x0000000000670000-0x0000000000770000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/1648-58-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1648-63-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1648-64-0x0000000000410000-0x000000000046A000-memory.dmp

                                      Filesize

                                      360KB

                                    • memory/1648-66-0x0000000000410000-0x000000000046A000-memory.dmp

                                      Filesize

                                      360KB

                                    • memory/1648-91-0x0000000000410000-0x000000000046A000-memory.dmp

                                      Filesize

                                      360KB

                                    • memory/1648-94-0x0000000000410000-0x000000000046A000-memory.dmp

                                      Filesize

                                      360KB

                                    • memory/2668-32-0x0000000000400000-0x000000000040E000-memory.dmp

                                      Filesize

                                      56KB

                                    • memory/2668-37-0x0000000000400000-0x000000000040E000-memory.dmp

                                      Filesize

                                      56KB

                                    • memory/2668-34-0x0000000000400000-0x000000000040E000-memory.dmp

                                      Filesize

                                      56KB

                                    • memory/3048-53-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-65-0x0000000000540000-0x0000000000640000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3048-29-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-31-0x0000000000540000-0x0000000000640000-memory.dmp

                                      Filesize

                                      1024KB

                                    • memory/3048-26-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-25-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-36-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-38-0x00000000004B0000-0x00000000004B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3048-24-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-43-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-22-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-23-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-50-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-52-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-0-0x0000000003000000-0x000000000306B000-memory.dmp

                                      Filesize

                                      428KB

                                    • memory/3048-56-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-8-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-14-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-20-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-15-0x00000000004B0000-0x00000000004B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3048-6-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-21-0x00000000004B0000-0x00000000004B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3048-17-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-28-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-69-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-72-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-73-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-74-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-81-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-82-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-83-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-84-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-19-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-87-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-89-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-13-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-92-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-93-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-18-0x00000000004B0000-0x00000000004B2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3048-97-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-16-0x0000000000510000-0x0000000000511000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3048-1-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-3-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-4-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3048-143-0x0000000003000000-0x000000000306B000-memory.dmp

                                      Filesize

                                      428KB

                                    • memory/3048-5-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/5080-131-0x0000000000400000-0x000000000040E000-memory.dmp

                                      Filesize

                                      56KB

                                    • memory/5080-114-0x0000000000400000-0x000000000040E000-memory.dmp

                                      Filesize

                                      56KB