Analysis

  • max time kernel
    119s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 15:54

General

  • Target

    5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.exe

  • Size

    1.1MB

  • MD5

    951f17620760ffc16ff8b10e24fc4087

  • SHA1

    4c028a4e371fad8d25211d016aff9b98c07eee51

  • SHA256

    5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5

  • SHA512

    baa2345282d4c9a9750157e289b1440fb3f3d8e59d898ec1c89a7a80bf962ca55d41567d9a38d0f3f9ccf79d1b12522427a952b6c078c421141fb1ea510d319b

  • SSDEEP

    24576:IIXW/8yw1ez54lIYF5SXYHNlKTgB+EKKJTDyo0hv1aKz:/9bC4lIlOqBEKUCv1a0

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

  • Disables service(s) 3 TTPs
  • 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
  • Blocklisted process makes network request 1 IoCs
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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.

  • Drops file in System32 directory 4 IoCs
  • UPX packed file 28 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:420
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2596
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2644
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2808
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Users\Admin\AppData\Local\Temp\5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.exe
                    "C:\Users\Admin\AppData\Local\Temp\5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.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
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: RenamesItself
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4496
                    • C:\Windows\SysWOW64\system.exe
                      C:\Windows\system32\system.exe
                      3⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4976
                      • C:\Windows\SysWOW64\Rundll32.exe
                        Rundll32 C:\Windows\system32\ctqlpgaa.dll Exucute
                        4⤵
                        • Checks computer location settings
                        • Loads dropped DLL
                        • Drops file in Program Files directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:4260
                        • C:\Windows\SysWOW64\net.exe
                          net stop WinDefend
                          5⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:3016
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop WinDefend
                            6⤵
                            • System Location Discovery: System Language Discovery
                            PID:1968
                        • C:\Windows\SysWOW64\net.exe
                          net stop MpsSvc
                          5⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:1016
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop MpsSvc
                            6⤵
                            • System Location Discovery: System Language Discovery
                            PID:732
                        • C:\Windows\SysWOW64\sc.exe
                          sc config WinDefend start= disabled
                          5⤵
                          • Launches sc.exe
                          • System Location Discovery: System Language Discovery
                          PID:2924
                        • C:\Windows\SysWOW64\sc.exe
                          sc config MpsSvc start= disabled
                          5⤵
                          • Launches sc.exe
                          • System Location Discovery: System Language Discovery
                          PID:3312
                        • C:\Windows\SysWOW64\sc.exe
                          "C:\Windows\System32\sc.exe" stop PolicyAgent
                          5⤵
                          • Launches sc.exe
                          • System Location Discovery: System Language Discovery
                          PID:3192
                      • C:\Windows\SysWOW64\Rundll32.exe
                        Rundll32 C:\Windows\system32\ldfmpgaa.dll Exucute
                        4⤵
                        • Blocklisted process makes network request
                        • Loads dropped DLL
                        • Adds Run key to start application
                        • Enumerates connected drives
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1216
                    • C:\Users\Admin\AppData\Local\Temp\5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.exe
                      C:\Users\Admin\AppData\Local\Temp\5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.exe
                      3⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:4060
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3824
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4072
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3576
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:396
                              • 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:672
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4580

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\5af56db1b7d9db6328403901c2a2c7f8e16111744b3c1934832b5d3988d203a5.exe

                                    Filesize

                                    664KB

                                    MD5

                                    a445734876e349b8267ff0435d7e76e1

                                    SHA1

                                    f0d9fa32a5aa8080a492a6861674a45ea7a819fc

                                    SHA256

                                    746584a6d3bf1e627fcbcc5de3df3612d226fd8cad9e2ca84c0f02d12eb926d5

                                    SHA512

                                    a140132787357fa77ce070f2e7a7c800581c3f8db492f68754b6c673132f3e26c1effedb3c79a4a902e93bd0361ae93a8c6f9f37d734a4e5822a535811affd75

                                  • C:\Users\Admin\AppData\Local\Temp\D2A2.tmp

                                    Filesize

                                    4.3MB

                                    MD5

                                    6c7cdd25c2cb0073306eb22aebfc663f

                                    SHA1

                                    a1eba8ab49272b9852fe6a543677e8af36271248

                                    SHA256

                                    58280e3572333f97a7cf9f33e8d31dc26a98b6535965ebd0bde82249fc9bf705

                                    SHA512

                                    17344e07b9e9b2cd6ae4237d7f310732462f9cbb8656883607d7a1a4090e869265f92a6da1718dee50b1375b91583de60c6bd9e7e8db6b6e45e33f4b894365d6

                                  • C:\Windows\SysWOW64\ctqlpgaa.dll

                                    Filesize

                                    61KB

                                    MD5

                                    81fe4fab769454c9f3ae5c0738a01caf

                                    SHA1

                                    de804adb98f37aa32b270e7ceebd6aa50c058bb1

                                    SHA256

                                    34818d6c3335477ceb1c2e8d5448408acd9bf53cb48a570ad9f2a49664526959

                                    SHA512

                                    114799cb47ec463081d6fe8d11828c5d11042f823f5fe9ce15f3a4220250a01c48f0645bfae45149ed5d41d59075ff282b7279e2388b793f6422c7f70c0337f0

                                  • C:\Windows\SysWOW64\ldfmpgaa.dll

                                    Filesize

                                    21KB

                                    MD5

                                    467b48d4c6c14bc70b6812ee0adf4e50

                                    SHA1

                                    60d50f73a21da26875bbb21ce82808073c8be3ef

                                    SHA256

                                    ed8c448132ce53c3e2cf1e6e4586c12ce5587dc4484576dfb0703ec5890659e1

                                    SHA512

                                    c399cbc8488fbf9f75b2fd32c792640e1b032ea8dbdf052ec82808a2db59515b14fdb7c20c7173abbe82f7a597245d4a74424f58043325e5b6a198610853989b

                                  • C:\Windows\SysWOW64\system.exe

                                    Filesize

                                    428KB

                                    MD5

                                    e99b50aa98b74feb430a2be7ca562b66

                                    SHA1

                                    9e72a29ddaa66125dfe4757951c5f9561d650d10

                                    SHA256

                                    c49b3c2a33644727c601b2d5c5a8c2c19b003f11302336da6e061a2c910ad487

                                    SHA512

                                    9e442ec9fbffe452c2f6d3abfc9e4ed48bf1c8b17a9a538ecbfe3174a4bf9e121ed29f66e8f6fd5ac7efcf84df6917944e2a2db8791b751703f47e3b1498542c

                                  • F:\whlmse.pif

                                    Filesize

                                    97KB

                                    MD5

                                    97667c3172fb957f57768592be00be08

                                    SHA1

                                    62cefa9274758c53474f125c170ea510310a57d4

                                    SHA256

                                    3e1ab339afc4d325589bc29054271a7ea52946d4b31dcf7eac2f27337b6e7b07

                                    SHA512

                                    2b8960e36bed46db1210b1e6e8e49c8eb486e852d758a07c59bfccceaad96d955e3b8c2003b87988b92ed1085baaac71e21fac9fb5e7d562788428b4763476aa

                                  • memory/1216-68-0x0000000003970000-0x0000000003972000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1216-64-0x0000000003A00000-0x0000000003A01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4060-70-0x0000000002730000-0x0000000002732000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4060-67-0x0000000002730000-0x0000000002732000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4060-66-0x0000000002B90000-0x0000000002B91000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4260-33-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4260-28-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4260-18-0x0000000000610000-0x0000000000611000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4260-39-0x0000000000600000-0x0000000000602000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4496-25-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-61-0x0000000000400000-0x000000000051B000-memory.dmp

                                    Filesize

                                    1.1MB

                                  • memory/4496-56-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-57-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-0-0x0000000000400000-0x000000000051B000-memory.dmp

                                    Filesize

                                    1.1MB

                                  • memory/4496-1-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-100-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-31-0x0000000004ED0000-0x0000000004ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4496-12-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-37-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-34-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-10-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-8-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-91-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-14-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4496-13-0x0000000004ED0000-0x0000000004ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4496-58-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-59-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-60-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-38-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-24-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-26-0x0000000004ED0000-0x0000000004ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4496-90-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-5-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-69-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-89-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-73-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-74-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-75-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-77-0x0000000004ED0000-0x0000000004ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4496-78-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-81-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-83-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-84-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4496-85-0x00000000033C0000-0x000000000447A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4976-11-0x0000000000400000-0x000000000042B000-memory.dmp

                                    Filesize

                                    172KB

                                  • memory/4976-27-0x00000000021B0000-0x00000000021B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4976-16-0x0000000002300000-0x0000000002301000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4976-32-0x00000000021B0000-0x00000000021B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4976-44-0x00000000021B0000-0x00000000021B2000-memory.dmp

                                    Filesize

                                    8KB