Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 03:35

General

  • Target

    ca6e460a60aad4f5b9c1dd51f04b77db0585a3ad4f2be2e6987f6b48342df034.exe

  • Size

    65KB

  • MD5

    75880c040dea147a1f1c92e5fdb6e9ee

  • SHA1

    9a6c9ded4fe8f6a812108b0dd86797b50c5a588a

  • SHA256

    ca6e460a60aad4f5b9c1dd51f04b77db0585a3ad4f2be2e6987f6b48342df034

  • SHA512

    98136af6a041c7b4944a4ca16d27dfd60a42a004b4a9f71599749cd03d22f58bf017d0348bac7f260a9655cd56b3109412511c7beb46e2cbba191168035c912b

  • SSDEEP

    1536:G8qjIxP8e+53x4889KX+tPay9BOsv3QOvUn3UQGkyK1wMuJ2eQDTBwFL:x268e+3jxazhfYUQGkyeuJNQD1wh

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 30 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • UPX packed file 30 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2564
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2592
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3572
                  • C:\Users\Admin\AppData\Local\Temp\ca6e460a60aad4f5b9c1dd51f04b77db0585a3ad4f2be2e6987f6b48342df034.exe
                    "C:\Users\Admin\AppData\Local\Temp\ca6e460a60aad4f5b9c1dd51f04b77db0585a3ad4f2be2e6987f6b48342df034.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4572
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3700
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3896
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3988
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4048
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2884
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4192
                            • 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:2456
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5008
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3352
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3380
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3640
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2864

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4572-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4572-1-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-3-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-5-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-14-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-15-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-18-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-17-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4572-16-0x0000000003520000-0x0000000003522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-21-0x0000000003520000-0x0000000003522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-20-0x0000000003520000-0x0000000003522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-7-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-4-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-19-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-22-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-23-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-24-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-25-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-26-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-28-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-29-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-30-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-32-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-34-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-35-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-39-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-42-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-44-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-45-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-49-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-51-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-56-0x0000000003520000-0x0000000003522000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4572-53-0x0000000000730000-0x00000000017EA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4572-70-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB