Analysis

  • max time kernel
    35s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 05:16

General

  • Target

    010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll

  • Size

    120KB

  • MD5

    6212a7dfe74fa4f35b5b368f19e0bee0

  • SHA1

    d8fb44eb555818bca32cd14a812df7a896744133

  • SHA256

    010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589

  • SHA512

    ef8cf4ff01a1499323abd77754db9745204e3ed522fe69a3ff0de50845367cba026798d0964e475f051dbc73d342709a7345b91ea51849de4104b8a0f39ba29a

  • SSDEEP

    1536:fcu9NK+ix/93K03rmRh5X+mR7Lzgxe286Os9mKPlyk56aLB5Ac:fcuvK+kF6Aw73YMmPlykgadGc

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 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 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:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2668
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2708
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2996
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1352
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:468
                      • C:\Users\Admin\AppData\Local\Temp\e578136.exe
                        C:\Users\Admin\AppData\Local\Temp\e578136.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:1072
                      • C:\Users\Admin\AppData\Local\Temp\e57833a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57833a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1116
                      • C:\Users\Admin\AppData\Local\Temp\e57bd45.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bd45.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:3204
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3588
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3616
                            • 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:5104
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3952
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3148

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578136.exe

                                    Filesize

                                    97KB

                                    MD5

                                    9affbe14a65bd607fab6d9e21e4f93f2

                                    SHA1

                                    811389eb1442853337303e939af0bc7c2d60e767

                                    SHA256

                                    cfb51a15eeb3440041199416f85ae044b8f86f307a79a320a64e73887bf58aea

                                    SHA512

                                    fc79c9b1c8d03005c7aba42c0f54f3433017b266eeca5d59002ff2de4b5d53a9503338eadba2aaf32e922ea38f8f4cfb8f33fd727155b4b36abb24c45eab9635

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    256B

                                    MD5

                                    4b11352ed238a1df573a8d5ab91935e2

                                    SHA1

                                    2263e07d57a65a41c570a55cd5fcc616b942df6d

                                    SHA256

                                    2eae56fde3149723e9958a7da03e41c55a00381cc4950655447493e31fca5fd3

                                    SHA512

                                    56649c149384a0a46c425126c97383ffe5d59ea785d7ba9be722e90cbd60b40c88bc36a36ab8999f20ebfe57be6e75a43f92d225e1b57f60dcd60c24d98ac1c2

                                  • memory/468-28-0x00000000012E0000-0x00000000012E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/468-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/468-19-0x00000000012E0000-0x00000000012E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/468-20-0x0000000001320000-0x0000000001321000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/468-25-0x00000000012E0000-0x00000000012E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1072-42-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-55-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-26-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-31-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-27-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-33-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1072-29-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1072-10-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-12-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-22-0x0000000001C00000-0x0000000001C01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1072-9-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-8-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-11-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-32-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-35-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-36-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1072-67-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-37-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-66-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-6-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-43-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-45-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-13-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-54-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1072-57-0x0000000000770000-0x0000000000772000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1072-58-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1072-64-0x0000000000880000-0x000000000193A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1116-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1116-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1116-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1116-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3204-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3204-92-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-97-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-96-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-95-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-112-0x0000000001C90000-0x0000000001C91000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3204-111-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3204-94-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-123-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-144-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3204-146-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3204-145-0x0000000001C80000-0x0000000001C82000-memory.dmp

                                    Filesize

                                    8KB