Analysis

  • max time kernel
    96s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 01:01

General

  • Target

    a6c90d089c3fa94f286d6a914f598d3c5de45807347273f570504356035d3138.dll

  • Size

    120KB

  • MD5

    c0ac085b8782ecc696334593d4f6db1e

  • SHA1

    2e1cc3da04c2a9457debde747f2904e33ae06296

  • SHA256

    a6c90d089c3fa94f286d6a914f598d3c5de45807347273f570504356035d3138

  • SHA512

    b82cf1d11082c30065a6319436160853dfab3899edefd218a3db1840cfe03753950df28eec2c9f69537674a75c4c2f6dac8b81b11374ed813a43f1825f5c4141

  • SSDEEP

    1536:jgM6E5Jlse9DegauGH5YM8RC/sZGGUkCRFho1mCxeheSxxOLHQOHvXd4QKg:cMzl3eH38RC/sZef1AewOxOLH9

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • UPX packed file 28 IoCs

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

  • Drops file in Windows directory 4 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:808
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2828
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2876
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2884
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3504
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6c90d089c3fa94f286d6a914f598d3c5de45807347273f570504356035d3138.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1672
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6c90d089c3fa94f286d6a914f598d3c5de45807347273f570504356035d3138.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1040
                      • C:\Users\Admin\AppData\Local\Temp\e578ba6.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ba6.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:4568
                      • C:\Users\Admin\AppData\Local\Temp\e578e75.exe
                        C:\Users\Admin\AppData\Local\Temp\e578e75.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2128
                      • C:\Users\Admin\AppData\Local\Temp\e57bb41.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb41.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2780
                      • C:\Users\Admin\AppData\Local\Temp\e57bb61.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb61.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • System policy modification
                        PID:4832
                • 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:3824
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3980
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2696
                            • 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:1644
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2960
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3284

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578ba6.exe

                                    Filesize

                                    97KB

                                    MD5

                                    00f93e01a8db3493f5ce8ea6f6eb3931

                                    SHA1

                                    c97502e9e9b25952bdcab188b1faa51f38f768a9

                                    SHA256

                                    a6aca19b77ac5dd47dfb52a68e77980830ca3274d20517048392b55b012aa9d1

                                    SHA512

                                    11432813597e40ac02b2c7e93debf19024e97d7e9c832a627188cb65f5c84e321f34ecf82174ee0e9afacdecce2e9084c64396678eb25d8461f5b93156d69804

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    e37e683925abd5c3741dd08eb09a3d0a

                                    SHA1

                                    7be8cd264167474446e0bb72706e6b3240cb06a6

                                    SHA256

                                    3bf41d820ec634b0703940a41302d83b129b6e8910c02e10a1a0a205b0940eed

                                    SHA512

                                    4830f98e24a2a2f7ad5cce56638791664ca59b46d4e8b56ea85eff1a362518abd72104daa90f8cbbfc0d1d3b1c2dcec9075c26aa2a954232b43df355101ec802

                                  • memory/1040-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1040-24-0x0000000001290000-0x0000000001292000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1040-29-0x0000000001290000-0x0000000001292000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1040-23-0x00000000012B0000-0x00000000012B1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1040-22-0x0000000001290000-0x0000000001292000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2128-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2128-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2128-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2128-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2128-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2128-93-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2128-95-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2128-128-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2780-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4568-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-50-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4568-20-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-21-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-31-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4568-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-27-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4568-14-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-44-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-13-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-46-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-30-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4568-60-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-62-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-63-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-65-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-66-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-68-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-71-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-76-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4568-12-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-8-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4568-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4832-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB