Analysis

  • max time kernel
    124s
  • max time network
    145s
  • 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 02:22

General

  • Target

    b8c52bea30e852fa47b9e081987f3fa57d05de3d09f3f380454d5ea746f34da9.exe

  • Size

    77KB

  • MD5

    5c999b87318c52a1090a1e85c19e151f

  • SHA1

    480056c23f0cb3e7bb3e842bbcdb1425a1d7aa5e

  • SHA256

    b8c52bea30e852fa47b9e081987f3fa57d05de3d09f3f380454d5ea746f34da9

  • SHA512

    b0692b3011a2f21ec9c37f5e5a5644bff14df3d3938be352710d060b6f1ce4d3e157c19c70641c4d8bdc80dc64edb6791586bef21b465cf65c3e4683a7520cd2

  • SSDEEP

    1536:l3AW2+VFdxoRdx88dVGZLgGpdwnlf4SjZpPuCIGYvqn0dBth2YTuA8dIYC:l52+N2188WR74lfxxuCIGYvPth2a+dNC

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 37 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • 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:2744
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3504
                  • C:\Users\Admin\AppData\Local\Temp\b8c52bea30e852fa47b9e081987f3fa57d05de3d09f3f380454d5ea746f34da9.exe
                    "C:\Users\Admin\AppData\Local\Temp\b8c52bea30e852fa47b9e081987f3fa57d05de3d09f3f380454d5ea746f34da9.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: GetForegroundWindowSpam
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2552
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3624
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3808
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3900
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3960
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4100
                            • 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:5072
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3988

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\mnukq.pif

                                  Filesize

                                  100KB

                                  MD5

                                  cc932c95f0f3aae0bca58f88471164ae

                                  SHA1

                                  aeea1415ef04d893b6ab632921bfe59f78f442e0

                                  SHA256

                                  8993888343bc04134ed4baa2bd754c1935fe82dbc4fe9aa438fac2034376f3f0

                                  SHA512

                                  1cb81e17c4b44ab08318f6f42ee136f51985be2ae4564d7c93c24e614f468fe582cf6bd58c99818081a8267e75022da6b7c5748ab0791bb8b7dc64188db39266

                                • memory/2552-26-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-14-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2552-8-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-0-0x0000000000400000-0x0000000000417000-memory.dmp

                                  Filesize

                                  92KB

                                • memory/2552-9-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-15-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2552-10-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-11-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-6-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-13-0x00000000043F0000-0x00000000043F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2552-12-0x00000000042A0000-0x00000000042A2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2552-5-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-4-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-16-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-17-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-27-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-19-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-20-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-22-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-23-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-3-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-7-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-18-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-29-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-31-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-34-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-36-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-39-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-40-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-42-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-44-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-52-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-53-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-55-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-57-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-59-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-61-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-62-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-65-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-66-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-68-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-24-0x0000000002250000-0x00000000032DE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/2552-77-0x0000000000400000-0x0000000000417000-memory.dmp

                                  Filesize

                                  92KB