Analysis

  • max time kernel
    93s
  • 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
    08-12-2024 00:58

General

  • Target

    7db494eb2af568438686e7a87ee84a4e7e545137ac927401711c792b1f3c8725N.dll

  • Size

    120KB

  • MD5

    21d8b72c6c52c21cf51941b17604d740

  • SHA1

    1acd8f19afaac9b67898b55c97fb6d9685cb51a8

  • SHA256

    7db494eb2af568438686e7a87ee84a4e7e545137ac927401711c792b1f3c8725

  • SHA512

    290c988cea05b44d8bd59a3f61bce88b7483c05147d7e26aa4f0fed94cb68cb7013b51fb422eec3922ae81202ccf47ce1d22abf185a880ff065b9bee0d7952a6

  • SSDEEP

    1536:+iEpdnqTsWamNorZBxBoF+W1Jzw0uSlEXfxTR1R7wJLhK1X9XrvrxMQGoOUY+k:+iEp9btBHoDG0uttfRnX9BMQGP

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 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 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2784
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2808
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3048
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7db494eb2af568438686e7a87ee84a4e7e545137ac927401711c792b1f3c8725N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3976
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7db494eb2af568438686e7a87ee84a4e7e545137ac927401711c792b1f3c8725N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4356
                      • C:\Users\Admin\AppData\Local\Temp\e57d513.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d513.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:2356
                      • C:\Users\Admin\AppData\Local\Temp\e57d7b3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d7b3.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3836
                      • C:\Users\Admin\AppData\Local\Temp\e57f07a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f07a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1648
                      • C:\Users\Admin\AppData\Local\Temp\e57f09a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f09a.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3624
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • 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:3912
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3604
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4148
                              • 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:5076
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4432

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57d513.exe

                                    Filesize

                                    97KB

                                    MD5

                                    3826559372ccdb2e83cd6fc1908a1d99

                                    SHA1

                                    41edbb6908e59bcda843a0b8aa379f333cc3d021

                                    SHA256

                                    c20aaf6e3ad38bef3763a54a6a19da2cc91edfdfc7e28200cecd01be52b87404

                                    SHA512

                                    d38ad75d621544d1b72a6538ef8bca680ad385570960e0fbb12f3b352c7cbee49401e8888176281c3dfc33f7156f5261e67d64e23eeab6cd38009914f0c926a5

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    94eb4ea8b0e9acd6f26cd6ba250e245c

                                    SHA1

                                    25efec06c6c7bf00d5c7b831d8155d3375db4e5d

                                    SHA256

                                    47a094fdf224155bcb022d7264b9753daed1970b877d3708611354e04d860168

                                    SHA512

                                    acbd0b5dd9a29f240b92f61de7798cf1c03d44541f0602ce6cb74d4abbdc4247aa1159ea468b8468034ad10bb6be06c1f34b245e850a460d7cb8615e84966d2d

                                  • memory/1648-73-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1648-144-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1648-90-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1648-67-0x0000000000570000-0x0000000000571000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1648-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2356-83-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-86-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2356-28-0x0000000001A80000-0x0000000001A81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2356-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-35-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2356-32-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2356-101-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2356-113-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2356-99-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-22-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-40-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-41-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-43-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-44-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-56-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-58-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2356-59-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-60-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-62-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-92-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-91-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-18-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-20-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-19-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-88-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-21-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-17-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-85-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-76-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-79-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2356-81-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3624-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3624-161-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3624-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3624-160-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3624-135-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3624-114-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3624-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3836-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3836-118-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3836-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3836-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3836-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3836-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4356-23-0x0000000000FD0000-0x0000000000FD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4356-30-0x0000000000FD0000-0x0000000000FD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4356-31-0x0000000004230000-0x0000000004231000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4356-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4356-24-0x0000000000FD0000-0x0000000000FD2000-memory.dmp

                                    Filesize

                                    8KB