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Analysis

  • max time kernel
    31s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 05:59

General

  • Target

    bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll

  • Size

    120KB

  • MD5

    50d48d39fe31d837a8e88c48d4403530

  • SHA1

    cd37f9462f7ccf4f2a77e2d137fbaf4c87bbf8cb

  • SHA256

    bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803

  • SHA512

    6b68f3800e380dec86ce869ccbcca2195f930a23257d19777bcc4986b50fca301905d3576d127ed059610d99b1f9073d021e8780f490f2c8ab638f1c4ed2a3d0

  • SSDEEP

    3072:7OrkZbQYxeiRgcN9fMQ473TvijHaISQcR:7sKeegrQ47+eHF

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 13 IoCs

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

  • UPX packed file 27 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 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 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:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2852
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3392
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4572
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3968
                      • C:\Users\Admin\AppData\Local\Temp\e5770da.exe
                        C:\Users\Admin\AppData\Local\Temp\e5770da.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:2152
                      • C:\Users\Admin\AppData\Local\Temp\e57733c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57733c.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2980
                      • C:\Users\Admin\AppData\Local\Temp\e579e15.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e15.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2476
                      • C:\Users\Admin\AppData\Local\Temp\e579e34.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e34.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:2620
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3788
                    • 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:3952
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4132
                            • 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:1584
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1088

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e5770da.exe

                                  Filesize

                                  97KB

                                  MD5

                                  ec37218910f8d5d163bd679029db6284

                                  SHA1

                                  4fe466c5948524e00e2bf72d613956b1faac54ad

                                  SHA256

                                  766308a46163c64614eaf93b85969cb59e9b1e299d3fe6e58c11679d4a95dbb4

                                  SHA512

                                  ebe2a73487f11981a6502da9db02e26c3043f0732f891e8dcf92dc103f5a0c579e1e53a8047fc61bf2dccfbeec4041740b49ec152c41b8e9b8a55bc46fef0ce2

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  16e951ca242a43cda0d707010f26bc4d

                                  SHA1

                                  4093363892da45173a27a14b35699ffcf53e95d1

                                  SHA256

                                  f13cef39ef522aa74baac63ac88fa56007333dd66b8dfc093b3a03b198a827f0

                                  SHA512

                                  7624abbdaa782cc878ab356399296b21bea527c4bb910b8fd4e6951b697f989296939b56c454ddf04d047d621a4be8ebbfd28345978520a712d4fc4b6bddf941

                                • memory/2152-39-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-35-0x0000000000630000-0x0000000000632000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2152-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-14-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-12-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2152-28-0x0000000000640000-0x0000000000641000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2152-41-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-40-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-32-0x0000000000630000-0x0000000000632000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2152-21-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2152-76-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-73-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-20-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-13-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-22-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-6-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-72-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-69-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-67-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-65-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-64-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-47-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2152-62-0x0000000000630000-0x0000000000632000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2152-61-0x0000000000850000-0x000000000190A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2476-139-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2620-159-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2620-158-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2620-60-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2620-100-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2980-99-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2980-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2980-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2980-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2980-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2980-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3968-30-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3968-24-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3968-31-0x0000000003F20000-0x0000000003F21000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3968-23-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3968-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3968-51-0x00000000009D0000-0x00000000009D2000-memory.dmp

                                  Filesize

                                  8KB