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Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 00:40

General

  • Target

    5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll

  • Size

    120KB

  • MD5

    bc3eb46b1a1afaa42cf91e27e6294630

  • SHA1

    9a766f8e4a8891637a5cebbd81e585e2cec70463

  • SHA256

    5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9

  • SHA512

    e687c3d705b308843921437d6f083e8fe4312b0a9b6c8a418c5d9ef322662be70c4d7733467c94755ed2ecf16580ed585f7473b254d7ebd616957947b3ad84c5

  • SSDEEP

    3072:1Rah7R7qX7SsGEpWgzfHYhTh3lq1oDiqLsXZEqIs:1y7JHsRlfi1lqTqQZEqIs

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 15 IoCs

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

  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2808
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2864
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3416
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1996
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b48b4bd8d84759d387a3d686c9a0d3458171f02744bb3a0d2b9941b2aa4f4d9N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3528
                      • C:\Users\Admin\AppData\Local\Temp\e5783b7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5783b7.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:2296
                      • C:\Users\Admin\AppData\Local\Temp\e578770.exe
                        C:\Users\Admin\AppData\Local\Temp\e578770.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4756
                      • C:\Users\Admin\AppData\Local\Temp\e579eb1.exe
                        C:\Users\Admin\AppData\Local\Temp\e579eb1.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:1160
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4176
                            • 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:700
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2612
                                • 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:2272
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:2140

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e5783b7.exe

                                        Filesize

                                        97KB

                                        MD5

                                        a56d481c661e5d4593e90a6861cd2a74

                                        SHA1

                                        2d86b9ad82d76d60bd00067e1eccd2cd821b8743

                                        SHA256

                                        95222a4bb80531aa8d926a0f3e7bec9ec60f68c6bbb2f49a5689ced632530e81

                                        SHA512

                                        8b9491a57f283811367c8b8e698f15a30c718e44dcbf77c0a2707ebf682ed52f7807b98539592abbe35393e40c569fe18bab2c5f223c1a060c952c939d7acd0a

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        551fd7bab5728ee737aab97b0c22dad8

                                        SHA1

                                        d249bd24900f74b5f5f6b7f30c9cd0cb5d5f30f1

                                        SHA256

                                        f9f5899e216bbc507b25f52fa1f4ca850dab7c8bedcaa07ea80cc699611cfd2f

                                        SHA512

                                        504372dd4f70246ca334f07e818a95a68a5c1a5a8550c73da2898a0d86eb9b439466898c84c8c10d28abe3cce80afcfaeff42fdf6488d529cd60232f7b128f8a

                                      • memory/1160-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1160-153-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1160-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1160-117-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1160-106-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1160-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1160-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1160-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2296-43-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-28-0x00000000004B0000-0x00000000004B1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2296-33-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2296-32-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2296-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2296-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-13-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-20-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-96-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-41-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-19-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-21-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-52-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-53-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-55-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2296-56-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-57-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-22-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2296-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-93-0x00000000004A0000-0x00000000004A2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2296-85-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-69-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-72-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-76-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-78-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-81-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2296-83-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3528-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3528-23-0x0000000003E80000-0x0000000003E82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-24-0x0000000003E80000-0x0000000003E82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-30-0x0000000003E80000-0x0000000003E82000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3528-31-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4756-82-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4756-60-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4756-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4756-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4756-38-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4756-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB