Analysis

  • max time kernel
    93s
  • max time network
    95s
  • 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 14:16

General

  • Target

    33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll

  • Size

    120KB

  • MD5

    ca857c65c74be7586d428534ff8e2550

  • SHA1

    bfef2a4c283706975710dece2171879bdf206a7e

  • SHA256

    33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87

  • SHA512

    c2aca84c38905f0d1bd93b261fe71a41a5547a7881ed265f944df8c02c732416ffd5e098c7f88f7973eb4df5c906d36e6d71e144c8ad0c7fbcc95ff3d5e8d47b

  • SSDEEP

    3072:asaMi91/70x+Wv29dJ/Ql9DZeNe4pQLw:altyt28lDme4p4w

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 14 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:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2688
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2824
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2820
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3532
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3196
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2800
                      • C:\Users\Admin\AppData\Local\Temp\e57bfc6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bfc6.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:4332
                      • C:\Users\Admin\AppData\Local\Temp\e57c237.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c237.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:620
                      • C:\Users\Admin\AppData\Local\Temp\e57db6c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57db6c.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:2572
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3840
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3932
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4040
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3552
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • 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:752
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4076
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2608

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57bfc6.exe

                                    Filesize

                                    97KB

                                    MD5

                                    629351d19b7344f397b1841523958869

                                    SHA1

                                    720b7d7a06e3cc46bbc822a9dd81900249023453

                                    SHA256

                                    d90a36bbb3bd894e849b18d0bbc663c76eccbf1959a5e4f763e6a4d69d6127bd

                                    SHA512

                                    5a85ca714ab2ba5aa5c9a37c2cc67dc45d76a16a99964d70e07d0549e0e53b93d944d0a2c33d64d5ad8dba35b3473675ae3256529639466a9638a9adcc166697

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    4c09062d14ec82283c418fcaadc1920a

                                    SHA1

                                    7bb23377e067357900e809a35576bbbbc56d9e69

                                    SHA256

                                    e370dcafe6b8ad9ef47522d33761d83193f1b9fa507aecc524d54754b0a3b622

                                    SHA512

                                    cbbd66a195fd0e8c247c52d56a287cbdee23d6ca3a77ef56e848fa4d901b129e4520c3c90af958f19d061d34578b7833a5dff8b00a8ecac9e99f6183b1a88852

                                  • memory/620-36-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/620-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/620-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/620-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/620-87-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/620-113-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2572-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2572-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2572-118-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2572-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2572-155-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2572-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2572-156-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2800-31-0x0000000001000000-0x0000000001001000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2800-24-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2800-30-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2800-23-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2800-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4332-52-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-68-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-38-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-39-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-40-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-41-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-43-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-9-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-53-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-55-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-21-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-65-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-13-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-18-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-61-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4332-28-0x0000000000750000-0x0000000000751000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4332-20-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-67-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-37-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-72-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-74-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-76-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-77-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-84-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-85-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-86-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-32-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4332-88-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-22-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-101-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-97-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4332-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4332-35-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4332-19-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-11-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-10-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4332-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB