Analysis

  • max time kernel
    30s
  • 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
    26-12-2024 21:55

General

  • Target

    f74e1f0cdf3c938701c00b8a99c71c776e6fb2088bea1a086ad5ea7f6e639942N.dll

  • Size

    120KB

  • MD5

    7daf2c5d67514e07e4f58e2b5b7ae190

  • SHA1

    3952a2064fe5d17887f850aebc12a7d464b04b1d

  • SHA256

    f74e1f0cdf3c938701c00b8a99c71c776e6fb2088bea1a086ad5ea7f6e639942

  • SHA512

    1d09e7f1ee928fac5eea0015298af072ac2357c5b464c441f0cf336a9bedaa06e0ff5927b28bb60def8c0c21b92f121153342bb093144b101cb1573875c2fa2e

  • SSDEEP

    3072:TDGP7+7YeTWfnLG+rEuwKAmudVwDDegbmD1w8:TDGHeTwLncNdVdDO8

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
  • 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 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • UPX packed file 31 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:804
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:812
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2688
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3044
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3404
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f74e1f0cdf3c938701c00b8a99c71c776e6fb2088bea1a086ad5ea7f6e639942N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2176
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f74e1f0cdf3c938701c00b8a99c71c776e6fb2088bea1a086ad5ea7f6e639942N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1092
                      • C:\Users\Admin\AppData\Local\Temp\e57b65f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b65f.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 Program Files directory
                        • 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:1536
                      • C:\Users\Admin\AppData\Local\Temp\e57b824.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b824.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4008
                      • C:\Users\Admin\AppData\Local\Temp\e57de2b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57de2b.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 WriteProcessMemory
                        • System policy modification
                        PID:100
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3528
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3884
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3976
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3756
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:436
                              • 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:2444
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:428
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2304
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:4708

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57b65f.exe

                                        Filesize

                                        97KB

                                        MD5

                                        f0f464ff41b8a407163ff4abff2074b4

                                        SHA1

                                        4464331f744c837654feabda8fdc8efd095c38d5

                                        SHA256

                                        38aab24416f12360022175eeaca2d4bb5e9f97fdd70126f97cd3c1a20fb655c7

                                        SHA512

                                        8bef55808611938de869aa7ba8cc69426780b3a8a57688454756c742b1aa714082f3c4c0821f2a9ded25bbecf995d84efa4fd2b48d68f4e935336eabe00927a4

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        e5cb58a0c60b9103e7b9455bb86095c4

                                        SHA1

                                        b113cee61064abaf8ededf0335988be11ef912f0

                                        SHA256

                                        8f932410a473fdec1b144a6a647171d55d3b7611b9f12101de831b94d6f391bd

                                        SHA512

                                        5bbb91690ce6de2099f0ade5a3718def42bed82c7ca833a1508c95f5d853e53e76fb5a2e2f9888f89bf87fd6403682c99ced60fd9b2cb1eed286a0154a3728fd

                                      • memory/100-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/100-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/100-159-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/100-119-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/100-81-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/100-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/100-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/100-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1092-15-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1092-47-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1092-14-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1092-30-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1092-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1092-26-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1536-11-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-78-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-10-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-31-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1536-12-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-36-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-34-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-37-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-38-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-39-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-40-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-42-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-24-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-13-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-50-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-25-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1536-59-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1536-9-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-6-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-27-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1536-8-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-62-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-64-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-65-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-67-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-69-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-72-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-73-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-75-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-76-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-17-0x00000000005B0000-0x00000000005B1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1536-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1536-19-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1536-94-0x00000000005A0000-0x00000000005A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1536-89-0x00000000007E0000-0x000000000189A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4008-80-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4008-54-0x0000000000570000-0x0000000000571000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4008-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4008-126-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4008-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4008-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB