Analysis

  • max time kernel
    94s
  • 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 06:04

General

  • Target

    a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll

  • Size

    120KB

  • MD5

    ad31ef1d417bb7bf495906c443c00ab0

  • SHA1

    440c66ae2b8ea0405cec513401d12300bc011bad

  • SHA256

    a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19

  • SHA512

    a2042b5eee99156ce0a8c351db72e248d6a08a3e198825bff4ce5e3991936aeb66810a62b63243f21ccd8e224e6a95aa585ed6332a99758020dd534f554d29d9

  • SSDEEP

    3072:7Nz/lGstvEtTnhzQfpH8/o1ZSgbWiH38Yy:BzUkvEARBSgdHsY

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 14 IoCs

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

  • UPX packed file 34 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2640
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2676
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2848
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:208
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4000
                      • C:\Users\Admin\AppData\Local\Temp\e579dc6.exe
                        C:\Users\Admin\AppData\Local\Temp\e579dc6.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:4556
                      • C:\Users\Admin\AppData\Local\Temp\e579f3d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579f3d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4156
                      • C:\Users\Admin\AppData\Local\Temp\e57b93e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b93e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2280
                      • C:\Users\Admin\AppData\Local\Temp\e57b95d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b95d.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • System policy modification
                        PID:764
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • 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:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4080
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3576
                            • 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:4548
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3604
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1376

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579dc6.exe

                                    Filesize

                                    97KB

                                    MD5

                                    9572a14201d652b0f83a91014be4c494

                                    SHA1

                                    13d2c0ccce752603a37d4e1a98c3668d2d8c1e68

                                    SHA256

                                    104ef6be8b6389d4d87627cae6cbe64253fd62b63bd928ece93a48f6f1f587c2

                                    SHA512

                                    b136489c7908b939758f48aef86ea68f3fc7594ba444119352d70992a807eb2f51ac5d6f87dcc9fdc3028e8cc7a06347a23ea4c95a30af1eca45b7ca2024678c

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    7404db6ef6083dbd7ee6a501e502501d

                                    SHA1

                                    5ad2649d88d2e75e1495b41d73db1a7c5fb20d07

                                    SHA256

                                    cf7f1a70bdbe344aec7890643a3966510676b8ae818db75c3536ec6c92dd329d

                                    SHA512

                                    ed98d98a263a2ec76636308786b3be58cfb16827d77c3f367e670d683b883e05036ba341b9a967a0239bfcd3488751eb2983bdfe11e14c0176eaa4e83a709369

                                  • memory/764-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/764-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/764-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/764-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/764-154-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/764-100-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/764-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/764-152-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2280-66-0x0000000000460000-0x0000000000461000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2280-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2280-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2280-72-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2280-99-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2280-70-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4000-15-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4000-30-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4000-16-0x0000000003690000-0x0000000003691000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4000-22-0x0000000000910000-0x0000000000912000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4000-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4156-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4156-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4156-153-0x0000000000BA0000-0x0000000001C5A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4156-123-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4556-59-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-81-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-42-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-41-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-57-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-39-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-61-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-38-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-36-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-25-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4556-31-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4556-33-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-24-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-23-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-74-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-76-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-79-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-56-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4556-84-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-85-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-86-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-88-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-14-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-95-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-96-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-9-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-11-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-102-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-108-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4556-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4556-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-18-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4556-12-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-13-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-6-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-8-0x0000000000760000-0x000000000181A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4556-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB