Analysis

  • max time kernel
    141s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 04:50

General

  • Target

    f0bc04fae4e1df9a2aaca51be4836d82b85a79be4c8210ab3507113af2274b32.exe

  • Size

    97KB

  • MD5

    0855289a518e7145535157c589bf2c86

  • SHA1

    292adb0f1d27142c361f5b8151b816961c2b7e8e

  • SHA256

    f0bc04fae4e1df9a2aaca51be4836d82b85a79be4c8210ab3507113af2274b32

  • SHA512

    22a4b1d34e1b4eff37c70e0058e06355b8fa44814c532fde265824ad78dd9cb948ab043ba5cda93f393b4fb754b8a1902d222af84c16918877b2fc73f617183d

  • SSDEEP

    1536:k6i8YRSmCA58k42saRg9PiGBCWLAeQbbjUyaIth1+Y0imeXgdhxV:didRA2brtUNBCWLAVPUg5meX

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 24 IoCs
  • UPX dump on OEP (original entry point) 25 IoCs
  • UPX packed file 24 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 9 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 37 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:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2456
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2476
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2756
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3536
                  • C:\Users\Admin\AppData\Local\Temp\f0bc04fae4e1df9a2aaca51be4836d82b85a79be4c8210ab3507113af2274b32.exe
                    "C:\Users\Admin\AppData\Local\Temp\f0bc04fae4e1df9a2aaca51be4836d82b85a79be4c8210ab3507113af2274b32.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:3344
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3684
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4012
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:740
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4108
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:1948
                              • 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:3504
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1560
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4696
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:6116
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:5248
                                        • C:\Windows\system32\BackgroundTransferHost.exe
                                          "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                          1⤵
                                            PID:5608

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/3344-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3344-1-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-4-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-20-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3344-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-19-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-17-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3344-10-0x00000000019C0000-0x00000000019C1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3344-9-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3344-7-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-3-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-16-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-23-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-26-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-30-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-33-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-35-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-47-0x00000000007B0000-0x000000000186A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/3344-52-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3344-62-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB