Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 06:53

General

  • Target

    c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll

  • Size

    120KB

  • MD5

    91b196049ed55dd8e17b32469a448e27

  • SHA1

    af0dae0840801ccf94e871967d3226c81bb9e18b

  • SHA256

    c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57

  • SHA512

    46f27067cca33b7f01e2e11127c5e11249ecb882675616e0b229a97a8641ac2ba0001b6bef84688518a3f34309ea9a6d8b41a2226d4779ade7f1a01964cc1d7d

  • SSDEEP

    3072:xxn7I805Vidm9JghTwJ5KX9emMY2IIipb:xxn7tS0MKQIIi

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 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 28 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2860
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2936
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2988
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3380
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4036
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2588
                      • C:\Users\Admin\AppData\Local\Temp\e57926c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57926c.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:376
                      • C:\Users\Admin\AppData\Local\Temp\e579422.exe
                        C:\Users\Admin\AppData\Local\Temp\e579422.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2164
                      • C:\Users\Admin\AppData\Local\Temp\e57c2d3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c2d3.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:880
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3736
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4176
                            • 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:372
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3624
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3452

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57926c.exe

                                    Filesize

                                    97KB

                                    MD5

                                    0512fe6438503bf94b5d77e84b30e4fa

                                    SHA1

                                    afeab0ec78e755c9f5e031fa7005b2957d3d27c6

                                    SHA256

                                    ec8434703c3d1c2575eb799e76e6a9b16011abff9a049b363fd703786952763c

                                    SHA512

                                    a372170f743a6cb20be9a93b0e032fc85002ea4c3e54dc8273c474118fc6533f1b0ac055e762c65c2ce7b8f58860f2f2f616b384c0ccfa6a52df93272a06f0a7

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    0b27c110f0ac5cac277c4b67f92e4d4d

                                    SHA1

                                    050d8460350ab299cc9c168b175dac29be52da99

                                    SHA256

                                    eb2c5739524ad93be87ee4293743b57dc8e548f3b062a2efc4ba39c206c001fe

                                    SHA512

                                    76a2fccbc85fef93557091f989ea61863e585fe48d00ea89b202fb958b11ade203136ca53b724e72d6623d1895ad70f87aa93b19c318e0d4f3ce43a51b049262

                                  • memory/376-40-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-11-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-8-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-6-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/376-26-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/376-28-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-12-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-10-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/376-85-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-64-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-62-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-29-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-25-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-61-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-59-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-58-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-34-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-36-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-37-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-35-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-38-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-39-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-16-0x0000000000640000-0x0000000000641000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/376-9-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-32-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/376-56-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-55-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/376-53-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/376-54-0x00000000008A0000-0x000000000195A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/880-99-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/880-149-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/880-126-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/880-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/880-125-0x0000000000780000-0x000000000183A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/880-112-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/880-113-0x0000000004370000-0x0000000004371000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2164-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2164-44-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2164-43-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2164-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2164-33-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2164-42-0x0000000000570000-0x0000000000571000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2588-31-0x00000000007E0000-0x00000000007E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2588-49-0x00000000007E0000-0x00000000007E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2588-13-0x00000000007E0000-0x00000000007E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2588-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2588-24-0x00000000007E0000-0x00000000007E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2588-14-0x0000000003650000-0x0000000003651000-memory.dmp

                                    Filesize

                                    4KB