Analysis

  • max time kernel
    95s
  • 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
    20-12-2024 02:32

General

  • Target

    746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll

  • Size

    120KB

  • MD5

    e8a27bee4e760df95630308d2a2abac0

  • SHA1

    09c3a329b9ebe953204d33789e3720656685a113

  • SHA256

    746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378a

  • SHA512

    2670fa60b05786c13fc65136ec5050b102d48349e10d2c1e92b005e14a6a440f1d38c28bbc9bca79548b2f4d68a9d9b27afc428aadc332c9f4e02d420971bb57

  • SSDEEP

    1536:d0XABLeJknstOt4MbTwMCpp/S6dep8CmohOP0R1hYUWU0mgy/eF0PymPXfnlP3ZM:TWMMy4YwMupK6H2W0fejmPXfnlPJM

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 63 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:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2896
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2948
            • 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:3500
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:212
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2244
                      • C:\Users\Admin\AppData\Local\Temp\e57b8d0.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b8d0.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:4492
                      • C:\Users\Admin\AppData\Local\Temp\e57b9ab.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b9ab.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3944
                      • C:\Users\Admin\AppData\Local\Temp\e57e678.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e678.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:4064
                • 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:3832
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3864
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:1704
                              • 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:1768

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57b8d0.exe

                                  Filesize

                                  97KB

                                  MD5

                                  a75a1d639b9313538aea2685dd7fd72d

                                  SHA1

                                  eec408517006da9f16d5f41d7b327b26c00e57a6

                                  SHA256

                                  a06a57e457092a0cbc22cc4778eb8ed4739561f700eecdea7a10432218f6574a

                                  SHA512

                                  4f195525198478b0feabb909e1849a671cc993a2b90425aa436e05612130dc8f40869d0d3753771a90a36ab1690ca9230ffe6adb603f04879185f5d4758395e6

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  a0cb0b20c58c08d2799c44543086036b

                                  SHA1

                                  5fe8f78a95c1a3f012be85ec79b5f4c5637b26c2

                                  SHA256

                                  ad24af63b2ac9dc917cef609504a58b8bfdccb053d0cd58692745ce0292070d7

                                  SHA512

                                  7883cf0cf4e5386b37474189339aef40086b02f8794d51e2f1d16019cc3ad4fc95c1a898a7d3f48c99322f2057bdbbd8d219287c3fe2163183d4035016103521

                                • memory/2244-49-0x0000000000E60000-0x0000000000E62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2244-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2244-13-0x0000000000E60000-0x0000000000E62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2244-14-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2244-17-0x0000000000E60000-0x0000000000E62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2244-33-0x0000000000E60000-0x0000000000E62000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3944-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3944-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3944-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4064-92-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4064-148-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4064-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4064-108-0x0000000004370000-0x0000000004371000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4064-107-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4064-123-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4064-125-0x00000000006B0000-0x00000000006B2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-59-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-6-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-11-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4492-43-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-44-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-21-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-53-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-54-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-55-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-57-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-58-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-61-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-20-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-67-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-68-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4492-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-32-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-22-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-25-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4492-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-8-0x0000000000790000-0x000000000184A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4492-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB