Analysis

  • max time kernel
    96s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 20:53

General

  • Target

    a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll

  • Size

    120KB

  • MD5

    ec2399872cf78494503b9ba499e3d021

  • SHA1

    6e82aae26a6154068d649bebb2e4238114c0f7f7

  • SHA256

    a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98

  • SHA512

    f162b574174e0b3944588f6af2015139c3165829070662f35d9fca0ebab70a853fe004653933667d7b826ed0e8ee6da1c9c5d5c1bc075de146c5a6088c69df66

  • SSDEEP

    1536:4MuO+cmG3lqnc8k/c8RvBI1pgnQNTyKyX5GngTTKxP1aau5w7Kf12M6K2:4hLcV0nLOtRvk7YUgT4sau/12M63

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • UPX packed file 30 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 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:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3056
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2432
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3164
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3468
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4288
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1116
                      • C:\Users\Admin\AppData\Local\Temp\e578731.exe
                        C:\Users\Admin\AppData\Local\Temp\e578731.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3728
                      • C:\Users\Admin\AppData\Local\Temp\e578a00.exe
                        C:\Users\Admin\AppData\Local\Temp\e578a00.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4176
                      • C:\Users\Admin\AppData\Local\Temp\e57b66f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b66f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1696
                      • C:\Users\Admin\AppData\Local\Temp\e57b68e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b68e.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • System policy modification
                        PID:3360
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3600
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3792
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3896
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4136
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4732
                              • 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:3804
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2496
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:3264
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:2576
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:2572
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4296

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e578731.exe

                                            Filesize

                                            97KB

                                            MD5

                                            3e1550cf8be4e94a7fba9f6c95b0d71d

                                            SHA1

                                            580763b85c9676d7e0e20371e200f0571aae396a

                                            SHA256

                                            c1a6cb1e6a83d9a0da82b8329cca21964d4849d0ed223c438facd06a22906afd

                                            SHA512

                                            c01a72e8f192632ebb71fee6c46340a8b05d12de4bc07b634789d12b0077db0faf0d466426c913f3f2f4f65556cc2590007cb44a8abab553b7f5e8eb36bd2726

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            83db720191e6165186e655985a56299e

                                            SHA1

                                            40d519634d1ab7bad56a14bac8e00ac6d000f4d5

                                            SHA256

                                            f1d95eb64992afd940ab5789f6a125a05abca1a81515e6a07cca0adf23d3003b

                                            SHA512

                                            ca2deb3eeb3102e36b2072bbf75f91791027340d81cad9a39dc2e7db40bb1157bc3f051537d0fdfcda2c9f10b41d2fb3d0383768e2ceb743a7ac5760129ee103

                                          • memory/1116-31-0x0000000003770000-0x0000000003771000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1116-50-0x0000000003740000-0x0000000003742000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1116-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1116-23-0x0000000003740000-0x0000000003742000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1116-24-0x0000000003740000-0x0000000003742000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1116-30-0x0000000003740000-0x0000000003742000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/1696-171-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3360-172-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3728-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-59-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3728-35-0x0000000001AA0000-0x0000000001AA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3728-32-0x0000000001AA0000-0x0000000001AA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3728-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-18-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-28-0x0000000004360000-0x0000000004361000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3728-20-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-17-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-22-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-40-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-41-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-19-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3728-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-21-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-60-0x0000000001AA0000-0x0000000001AA2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3728-61-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-62-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-64-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-65-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-67-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-68-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-71-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3728-75-0x0000000000750000-0x000000000180A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4176-93-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-98-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4176-96-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-95-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4176-140-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4176-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4176-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB