Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 04:33

General

  • Target

    d3b622391872acc895c9b168fde587e238263a1ef6cc5c3e8a7c18eedca38452.dll

  • Size

    120KB

  • MD5

    90e4237a03e8947a608389037dffbcb1

  • SHA1

    04e5d5fffbc92db1c18a7d1fb16c567bc5d42b7f

  • SHA256

    d3b622391872acc895c9b168fde587e238263a1ef6cc5c3e8a7c18eedca38452

  • SHA512

    fd0bd25225ef097e020065a45e97b2b0b51f535e202f48778e8d5449d9d828570de7dc99d9144238000e6347876e8429073fe2013496177ff633fd62beb6a44a

  • SSDEEP

    3072:3RG3duQvrnBBTm6u9xR4MDaBNg33D8Vm+0Xe:3RKS60Sma6wFye

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 33 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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: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:2460
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2508
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2636
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3b622391872acc895c9b168fde587e238263a1ef6cc5c3e8a7c18eedca38452.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4948
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3b622391872acc895c9b168fde587e238263a1ef6cc5c3e8a7c18eedca38452.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3208
                      • C:\Users\Admin\AppData\Local\Temp\e57a7f8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a7f8.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:4276
                      • C:\Users\Admin\AppData\Local\Temp\e57aa0b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa0b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3580
                      • C:\Users\Admin\AppData\Local\Temp\e57c350.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c350.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1964
                      • C:\Users\Admin\AppData\Local\Temp\e57c36f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c36f.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:2132
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3996
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4064
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:660
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3916
                            • 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:4152
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2736
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4384
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3212
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4400

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57a7f8.exe

                                        Filesize

                                        97KB

                                        MD5

                                        40666d74c942f89b2749ee20a6dbdd14

                                        SHA1

                                        ea457b4c0ae6b4e5ca60a346a7782d9b0b1a9dd6

                                        SHA256

                                        8a5bcade06afa877ab2392a20cee1854f4742349f9b3d706bd7baf2d814a4de9

                                        SHA512

                                        4b14ce6cddf86eecf73a0f139f14affdae312d2c43bba6db32f2eb61adbfb419897dd8599e14e44ce3cdcf872c4e626e9ffdd169f190a045247dfd54978f7f2d

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        3bd9399f76b6fdf2b599a981f6555cc7

                                        SHA1

                                        5df1fa6af4daecbe4ae068970004a1213c349727

                                        SHA256

                                        936e285a4214c2820c409e12296ccd89ecb2c15c0ab8037b462af98e0aa4bd64

                                        SHA512

                                        a7cfecd2d5d6a2b0a0c3f41ca99d1ed607be604e1a10df60f7be26f923f977ba2cfd180ea0ae2051f7035ee8e1b1493e6ffedb6c7a57e8b76c2c42f6e3efff01

                                      • memory/1964-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1964-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1964-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1964-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1964-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2132-125-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2132-166-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2132-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2132-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2132-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2132-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2132-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2132-165-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3208-24-0x0000000000F90000-0x0000000000F91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3208-31-0x0000000000F00000-0x0000000000F02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3208-23-0x0000000000F00000-0x0000000000F02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3208-27-0x0000000000F00000-0x0000000000F02000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3208-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3580-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3580-66-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3580-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3580-65-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3580-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3580-86-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4276-60-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-80-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-39-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-54-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-57-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4276-58-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-40-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-61-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-38-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-37-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-36-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-26-0x0000000000600000-0x0000000000601000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4276-30-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4276-21-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-22-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-32-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4276-20-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-75-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-77-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-42-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-83-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-84-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-14-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-87-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-11-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-90-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-92-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-12-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-95-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-103-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4276-98-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4276-13-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-8-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-10-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-9-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-6-0x0000000000810000-0x00000000018CA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4276-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB