Analysis

  • max time kernel
    92s
  • 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
    17-12-2024 09:24

General

  • Target

    8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll

  • Size

    120KB

  • MD5

    dc2dd583bef09c623ecd14184fd2dfad

  • SHA1

    ea1e34bc6f21389f893f654990c7d050de3b28ae

  • SHA256

    8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0

  • SHA512

    67ef791b753935e67ae607325cc132492806c3f5a75a258f93a761abae28d2fe98deebb3245477447959d238afde672cf5cca6366b2e92e324fc64e5a81ae11a

  • SSDEEP

    3072:WmXyEbYH27rTCSLubNkfumapbvn0bTrWR:W/NzP7jn0bTrWR

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 16 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 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2852
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2912
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3060
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1840
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1672
                      • C:\Users\Admin\AppData\Local\Temp\e581057.exe
                        C:\Users\Admin\AppData\Local\Temp\e581057.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:4520
                      • C:\Users\Admin\AppData\Local\Temp\e5811fc.exe
                        C:\Users\Admin\AppData\Local\Temp\e5811fc.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3104
                      • C:\Users\Admin\AppData\Local\Temp\e582b9f.exe
                        C:\Users\Admin\AppData\Local\Temp\e582b9f.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:432
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3884
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4084
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2120
                              • 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:4260
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2776
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4652

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e581057.exe

                                      Filesize

                                      97KB

                                      MD5

                                      3130dd7bf71bcaaadef6ed643cd1964e

                                      SHA1

                                      2bcf1c550f95564c39e86eca8a3ae9722570e955

                                      SHA256

                                      9211ed2ddb7a2c2dc822c8a2c1c28bd5b0818708a118fdf6e534ff6225843d02

                                      SHA512

                                      23ce33879045cb03c3561ac264af16a85ea515c05c7456336a1b989203b4cde55d7f060a64bc0509ea5d6d920a72d945b60c15f78d94f9b927d4e5b84b971963

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      ee43bab7ca46f6d42d63caf87ef8b01d

                                      SHA1

                                      a0182cf57b3f7c4be1f9cfd4693878b8936806ba

                                      SHA256

                                      8f5e0d2ec3bde8f2f31a5e9c28263fbb1e27c6c26ae167dbb342a3497b55d1eb

                                      SHA512

                                      fe8141ae7b95e3367adcc060dbdb8e5eb9fc0417b2b700e6416eb1a76ee70fc6042a665d2398ee6b8c83e6c6ee982ef25373876e653cfb345b63460fe11863b1

                                    • memory/432-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/432-62-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/432-60-0x0000000000460000-0x0000000000461000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/432-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/432-157-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/432-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/432-90-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/432-124-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1672-22-0x0000000004120000-0x0000000004122000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1672-23-0x00000000041B0000-0x00000000041B1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1672-31-0x0000000004120000-0x0000000004122000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1672-26-0x0000000004120000-0x0000000004122000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1672-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3104-130-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3104-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3104-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3104-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3104-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4520-52-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4520-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-41-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-43-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-29-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-53-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-54-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-55-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-25-0x0000000004230000-0x0000000004231000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4520-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-20-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-65-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-70-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-71-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-74-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-75-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-78-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-79-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-86-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-87-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-88-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-30-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4520-32-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4520-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4520-97-0x00000000038E0000-0x00000000038E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4520-21-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-18-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-19-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4520-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB