Analysis

  • max time kernel
    95s
  • max time network
    96s
  • 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 13:02

General

  • Target

    157c5069f06fa0035bc7b0f5ca9e760a2d48464294fc04aa7a78cf982348234a.dll

  • Size

    120KB

  • MD5

    51090fc2e3fb0f749e8a7e922592f4db

  • SHA1

    797f68a8756624bf46d722030026be9063ac3653

  • SHA256

    157c5069f06fa0035bc7b0f5ca9e760a2d48464294fc04aa7a78cf982348234a

  • SHA512

    16eb3aebdfb9c98780e4c1b33323d291ad81234f5272f565967bd6e0f49793c7131d1ee6835de828cb6648a1c8d88defc06bd95e9430c7fb12106582908e8e2b

  • SSDEEP

    3072:GBrZeL5yAmxOB3vFlvkM5l2A2Takz9cchC8RPCgrxHdg:GBwsA3PdkM3e3RPVx9g

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 16 IoCs

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

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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 64 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2928
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3044
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1044
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\157c5069f06fa0035bc7b0f5ca9e760a2d48464294fc04aa7a78cf982348234a.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1616
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\157c5069f06fa0035bc7b0f5ca9e760a2d48464294fc04aa7a78cf982348234a.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3984
                      • C:\Users\Admin\AppData\Local\Temp\e57833a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57833a.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:4856
                      • C:\Users\Admin\AppData\Local\Temp\e578453.exe
                        C:\Users\Admin\AppData\Local\Temp\e578453.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3608
                      • C:\Users\Admin\AppData\Local\Temp\e57b1cb.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b1cb.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:4716
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • 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:3840
                      • 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:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3448
                            • 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:1508
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3316
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1112

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57833a.exe

                                    Filesize

                                    97KB

                                    MD5

                                    315652da5f762125fa1daddf1e2b1423

                                    SHA1

                                    08ea92ec2840b61b7f08da0ce65d7aeae0deaf10

                                    SHA256

                                    dccaae817c9cee2dbedc3c153d83a5e568aa6f575ab47f58e68396ec28870ef0

                                    SHA512

                                    91bf99017855b97e9af82662f21ccce31e5f8a01e50aa61e55938a40e5675d2eeef8cdb5c32600ffdbb5d333b5d44d0dd1657a9230f6783a4ed01ee888714a6d

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    d66b782e20f1990a2fd7bfad29d3dd89

                                    SHA1

                                    51a85243e3a377e351fb92adfea1844cb805fd4a

                                    SHA256

                                    d98369b04f4c6e8a479902e72ee875e0fdacc401195164a9e6926de7ea35e0da

                                    SHA512

                                    732af3d78c244ec2dade9889cfe3e00f30e14a98ec7732b84e9190572f716e43efd86d9518ff6c8443851a2a205433a2f92f1ed826a33d436dd28e3342bade38

                                  • memory/3608-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3608-101-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3608-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3608-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3984-13-0x00000000044B0000-0x00000000044B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3984-14-0x0000000004540000-0x0000000004541000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3984-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3984-17-0x00000000044B0000-0x00000000044B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3984-28-0x00000000044B0000-0x00000000044B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4716-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4716-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4716-118-0x0000000000800000-0x00000000018BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4716-153-0x0000000000800000-0x00000000018BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-58-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-31-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-33-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-34-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-30-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-25-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-45-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-47-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-53-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4856-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-61-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-71-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-72-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-75-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-76-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-77-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-80-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4856-26-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4856-29-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4856-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4856-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4856-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB