Analysis

  • max time kernel
    29s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:48

General

  • Target

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll

  • Size

    120KB

  • MD5

    a14fecf5587b5f5d06ff34b9c28b57b0

  • SHA1

    5ec813098a0440e845b1f6d42314f2338a123b66

  • SHA256

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827

  • SHA512

    d2fe024e613b6a6ae690af1990ab56a464803328cf6603f8343e80b94ac3dfe336a38e4e0b80333990f618a646554356957cde177667da1b4e67c822517f9bff

  • SSDEEP

    3072:ZzPH4V6YWortvX5Q2em3+rzRK+JxonS2LwE:ZzQVCortvpQc3+HRRJxonSw

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 10 IoCs

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

  • UPX packed file 25 IoCs

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

  • 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:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:764
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2552
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2632
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1324
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3672
                      • C:\Users\Admin\AppData\Local\Temp\e57bf58.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf58.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 AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:792
                      • C:\Users\Admin\AppData\Local\Temp\e57c747.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c747.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4260
                      • C:\Users\Admin\AppData\Local\Temp\e57eaae.exe
                        C:\Users\Admin\AppData\Local\Temp\e57eaae.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3496
                      • C:\Users\Admin\AppData\Local\Temp\e57eb2b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57eb2b.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:4992
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3676
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3876
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3972
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4040
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2832
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4112
                            • 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:456
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3344
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4796
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2500
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:4488
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3184
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4140

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\e57bf58.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  3f4855e34ca66d4a8d94da47ea4b3cbc

                                                  SHA1

                                                  0ff399f134c2bd145b036be821422c2103d5edb0

                                                  SHA256

                                                  57aaf3e40638ea3b12e7c2b5626d777125d2a484ddefec767271132195842fb0

                                                  SHA512

                                                  42e89070a4dcdaae7368b3543a3bf5a7750872ac3405f66478def13d3a33db9799fee767c312fa1e13190ee9caee8db194e551631900bb868e04f6d6244a7be3

                                                • C:\Windows\SYSTEM.INI

                                                  Filesize

                                                  257B

                                                  MD5

                                                  2da620dac9082628369bcf12b0247526

                                                  SHA1

                                                  90249f16d9486ebe19a312888869abacc6c1011c

                                                  SHA256

                                                  dfaad4a90ab1f5a44ebd6335de11e90b1440204ea1bdfc513e845c196f9424fb

                                                  SHA512

                                                  c5f27c1f75a4af0f3f3c363518b8bbabca85148164d397fc790f0de3fdb24e98abe6deccb9733e1abdfb019e120fd22422f0b80888689f36094431be4c9f5fa1

                                                • memory/792-68-0x0000000004220000-0x0000000004222000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/792-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/792-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-12-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-14-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-13-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-15-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-16-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/792-30-0x0000000004220000-0x0000000004222000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/792-92-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-31-0x0000000004220000-0x0000000004222000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/792-76-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-27-0x0000000004370000-0x0000000004371000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/792-75-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-72-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-6-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-71-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-66-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-70-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/792-67-0x0000000000820000-0x00000000018DA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3496-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3496-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3496-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3496-154-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3496-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3672-23-0x0000000000B30000-0x0000000000B32000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3672-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/3672-22-0x0000000000B30000-0x0000000000B32000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3672-25-0x0000000003880000-0x0000000003881000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3672-29-0x0000000000B30000-0x0000000000B32000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4260-55-0x0000000000460000-0x0000000000461000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4260-63-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4260-60-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4260-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4260-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4992-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4992-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4992-114-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/4992-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4992-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4992-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4992-155-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                                  Filesize

                                                  16.7MB