Analysis

  • max time kernel
    21s
  • 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
    01-01-2025 00:08

General

  • Target

    afc8abd7a32605b5f01dc58a5b797c64d2d2a8cf048e5218aef031e1548a9fd0N.exe

  • Size

    728KB

  • MD5

    08a5c7b25828a23c7f2aa44008dd6740

  • SHA1

    1dd7618709f39290bf54209b9c1f726eaee6412c

  • SHA256

    afc8abd7a32605b5f01dc58a5b797c64d2d2a8cf048e5218aef031e1548a9fd0

  • SHA512

    daf6f96bb967571badd56e9b86eccaa03e338bb23fe2c6f1d68344224318f763db3bca46a2e245b6c02218b7a931a5a541e5c1589d0d65c709f65c04004b70c1

  • SSDEEP

    12288:wTyjXW+48qWywrU4kGFezOAVuJ5PI+ww7F5DO3HYffIVGiwraX:uIXW/8yw1ez54lIQF5SXYHIVyraX

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
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 38 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 2 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 33 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:\Users\Admin\AppData\Local\Temp\afc8abd7a32605b5f01dc58a5b797c64d2d2a8cf048e5218aef031e1548a9fd0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\afc8abd7a32605b5f01dc58a5b797c64d2d2a8cf048e5218aef031e1548a9fd0N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4576
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • 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 SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:3944
                • 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

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57C93B_Rar\rundll32.exe

                                  Filesize

                                  664KB

                                  MD5

                                  2eb5d76180ce7b3241b281fa79ab3483

                                  SHA1

                                  06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                                  SHA256

                                  e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                                  SHA512

                                  35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                                • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

                                  Filesize

                                  728KB

                                  MD5

                                  08a5c7b25828a23c7f2aa44008dd6740

                                  SHA1

                                  1dd7618709f39290bf54209b9c1f726eaee6412c

                                  SHA256

                                  afc8abd7a32605b5f01dc58a5b797c64d2d2a8cf048e5218aef031e1548a9fd0

                                  SHA512

                                  daf6f96bb967571badd56e9b86eccaa03e338bb23fe2c6f1d68344224318f763db3bca46a2e245b6c02218b7a931a5a541e5c1589d0d65c709f65c04004b70c1

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  5b37af1f2a819067c64bba2a3d9eb09d

                                  SHA1

                                  55098d394495b6af522c4e5d7cb374e240c8b103

                                  SHA256

                                  37eb3db6470a12dd4da63346994aa2ae40bc7b9e39471cfd0300e8f34edd80db

                                  SHA512

                                  0370c776c3ddc6e9583a28520976b28c82df57a02ab9ab880b47d0538f36c107dd6273a125b7eb681bc07e9d00fbe55f11b5a4f8e256af0b745b972ed1ed164e

                                • C:\qvmm.pif

                                  Filesize

                                  97KB

                                  MD5

                                  4b47a803005acb115f17c4472fd018d1

                                  SHA1

                                  8ecbade7117c62ed832ad836c40add6383b5370a

                                  SHA256

                                  2bf0e6e67f38d2ff2efa5367ecaca8e3938c540bfbbcbd771c829b9072833a25

                                  SHA512

                                  1257e44c649e256b386ead61a82bbca14ffd2cb3ad6ef88674763ca6b1b5031519eb3edde03ee4eb3fabb2739a916d52e9efd8486aa041644b4d1b75f11bf6cf

                                • memory/3944-74-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-57-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-60-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-141-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/3944-58-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-92-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-88-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-87-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-85-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-84-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-83-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-82-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-80-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-79-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-76-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-61-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-77-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-75-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-73-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-59-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-72-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-62-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-63-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-71-0x0000000000BB0000-0x0000000000BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3944-52-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-65-0x00000000030F0000-0x00000000030F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3944-54-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-56-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3944-55-0x0000000004F50000-0x000000000600A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-29-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-48-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/4576-4-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-6-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-17-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-8-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-0-0x0000000000400000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  760KB

                                • memory/4576-33-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-37-0x0000000000B80000-0x0000000000B82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4576-7-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-18-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-26-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-25-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-9-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-10-0x0000000000B80000-0x0000000000B82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4576-11-0x0000000000B90000-0x0000000000B91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4576-5-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-19-0x0000000000B80000-0x0000000000B82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4576-22-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-3-0x0000000003450000-0x000000000450A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4576-24-0x0000000000B80000-0x0000000000B82000-memory.dmp

                                  Filesize

                                  8KB