Analysis

  • max time kernel
    96s
  • 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
    17-12-2024 00:42

General

  • Target

    4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll

  • Size

    120KB

  • MD5

    8e5ec00cc5b6f32d95bc647497f90560

  • SHA1

    33db8f3a3997d4d608aaa49c95e404efb380f1f4

  • SHA256

    4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075

  • SHA512

    35dbe976475ad31aa63efadcdbeaa471f34c730b10f359dfebc57d3af43654e3a27295528b64714480b9e732bbea7ec980eacb31f608c9689caac07ddb4e2aa6

  • SSDEEP

    3072:wm2CmkmaM/dxgc7GAujHMSe/w1NdW0lG:wmAtv/doFj8

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 33 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2632
          • 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:2880
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2988
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1988
                      • C:\Users\Admin\AppData\Local\Temp\e57cf56.exe
                        C:\Users\Admin\AppData\Local\Temp\e57cf56.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:2444
                      • C:\Users\Admin\AppData\Local\Temp\e57d060.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d060.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1448
                      • C:\Users\Admin\AppData\Local\Temp\e57ebe6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ebe6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4952
                      • C:\Users\Admin\AppData\Local\Temp\e57ec06.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ec06.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:3232
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3904
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4012
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3524
                            • 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:4376
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3376
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4820

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57cf56.exe

                                    Filesize

                                    97KB

                                    MD5

                                    388ae2fa5dc9c1f0d02053390fae9f99

                                    SHA1

                                    3c4c03665862d72e07bec915517d10eb41740f16

                                    SHA256

                                    96de1ffec89fb308b976d16563adb8875ba602515178a15ec53e7db1f61b7fbf

                                    SHA512

                                    22b179f5ba0559f25d4b34976f61feebf5615d6c43ca6559c42c93d5d2693747c0408e5113ae7797a831d495842cb0655834aa7f5a81626c269c8c508d0332b6

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    256B

                                    MD5

                                    e0269c5854febc21a3b7c08c83c37e96

                                    SHA1

                                    2de5b6dd72a2a9856e620c5e1050d0d57284e562

                                    SHA256

                                    c62714d3355adfed96b3c517aabf54bc53f161cfb85cc49b80b87af8d9ce6d9b

                                    SHA512

                                    0ba70ce3b441dddc0f31e66659d332614bc788861d77163c85480145781cbbcbf0c76f2bc2f28149ad837471fa5c23fa0f646d43be84402546804d93b3eef3bf

                                  • memory/1448-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1448-121-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1448-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1448-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1448-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1448-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1988-33-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1988-17-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1988-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1988-13-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1988-14-0x0000000001210000-0x0000000001211000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2444-59-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-85-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-31-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2444-26-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2444-16-0x0000000000740000-0x0000000000741000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2444-12-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-28-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-6-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-39-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-40-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-42-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2444-55-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-56-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-58-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2444-27-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-108-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2444-117-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2444-99-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-96-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-89-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-25-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-35-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-34-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-72-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-74-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-75-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-78-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-80-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-82-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-84-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2444-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3232-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3232-98-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3232-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3232-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3232-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3232-150-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3232-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3232-151-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4952-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4952-65-0x0000000000870000-0x0000000000871000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4952-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4952-88-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4952-145-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB