Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 12:50

General

  • Target

    dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll

  • Size

    120KB

  • MD5

    628df3fa2b3e32e263fc1a6057e0dbd0

  • SHA1

    31501361958dd2a4d98fb0495d384827237344e7

  • SHA256

    dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7

  • SHA512

    13b27aa06d06b9b456a363bd110bd7d2965915f78b412c53b9bb0f89b07c09ebb2d86217b6d42fa87ddfd739358e3cb969914856bd1334559dfa8f638caeb1bc

  • SSDEEP

    3072:9VIgjMrGSI6KVTRyTSML/dGyQfC4g/Ab:gbGSjKVTRySMLJQf1gw

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 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:340
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2924
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2960
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3044
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2340
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4916
                      • C:\Users\Admin\AppData\Local\Temp\e57abef.exe
                        C:\Users\Admin\AppData\Local\Temp\e57abef.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 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:3700
                      • C:\Users\Admin\AppData\Local\Temp\e57ad28.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ad28.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1448
                      • C:\Users\Admin\AppData\Local\Temp\e57c757.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c757.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
                        • System policy modification
                        PID:3168
                      • C:\Users\Admin\AppData\Local\Temp\e57c776.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c776.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4980
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3624
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3812
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3904
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3968
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4044
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4156
                            • 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:2364
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3276
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2908

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57abef.exe

                                    Filesize

                                    97KB

                                    MD5

                                    e922875a2cb0e46f1c3aac48609172e1

                                    SHA1

                                    a7cc6668fea5513093971433b6f035989cbe0a76

                                    SHA256

                                    7bebec8a5b011ce2d0a11365e3fb36dfb484b1ff0d507d9add9ba39a0f5d977e

                                    SHA512

                                    0a7cddd0106a2efa0f7276e96f3160532f2b04bba4d133557d42f0d26e93fa9b076bb7a6b5477ef535c6ca1f28b535a06c370591ec1ed44d59dacbc10d6616c3

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    cd11baaeb6c164dd95a375a58e0aefaa

                                    SHA1

                                    4cd1a3a9095f4e7eec82948c9848102ba016e8fb

                                    SHA256

                                    fa0264f55b964adce6cb84fcd3c4c15d74f4bae3376fa4fbdec0a0f870fde1b6

                                    SHA512

                                    3444990f844116110a760d092d3eaecf435d432a302109660f67bea396793288454adf43fd265f4f85d6893992f7e607e97d63fa1d8fd1766a8c8a2146f1bc28

                                  • memory/1448-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1448-122-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1448-93-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1448-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1448-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1448-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3168-146-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3168-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3168-153-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3168-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3168-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3168-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3168-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3700-60-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-28-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3700-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-8-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-6-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-37-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-39-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-41-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-42-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-54-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3700-58-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3700-59-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-26-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-27-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-123-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3700-34-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-101-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-22-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3700-107-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3700-17-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-31-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3700-75-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-76-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-80-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-81-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-83-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-85-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-87-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-89-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-90-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-92-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3700-18-0x00000000007C0000-0x000000000187A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4916-33-0x0000000000DF0000-0x0000000000DF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4916-20-0x0000000003D80000-0x0000000003D81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4916-19-0x0000000000DF0000-0x0000000000DF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4916-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4916-23-0x0000000000DF0000-0x0000000000DF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4980-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4980-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4980-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4980-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4980-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4980-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB