Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 21:20

General

  • Target

    3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll

  • Size

    120KB

  • MD5

    3de370dc544d3e6a21acc485b6254c47

  • SHA1

    ba893dda3fb8c61655c5f823e5839d969e8789ac

  • SHA256

    3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766

  • SHA512

    28ae67e1e27cc6457b97fe115fd0929120a15745f161866c9e3d615affb5a1d9847bb1f666e20ec2d297d6d8e74127d0de10b0fca0a0ea6effd63a9e092fac3c

  • SSDEEP

    1536:DQAnrU2BpOfVHZyFX2lOXpuQgOsrD6onV+YI2q2lVkaLwg1BhG/CcX9:HrNpWBZMXMOQ3lrlVvHzketFPm9

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 4 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2904
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2924
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2752
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1608
                      • C:\Users\Admin\AppData\Local\Temp\e578f20.exe
                        C:\Users\Admin\AppData\Local\Temp\e578f20.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:4988
                      • C:\Users\Admin\AppData\Local\Temp\e579049.exe
                        C:\Users\Admin\AppData\Local\Temp\e579049.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3724
                      • C:\Users\Admin\AppData\Local\Temp\e57aa59.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa59.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
                        • System policy modification
                        PID:1000
                      • C:\Users\Admin\AppData\Local\Temp\e57aa78.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa78.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3504
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2304
                            • 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:3572
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3800

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578f20.exe

                                    Filesize

                                    97KB

                                    MD5

                                    e8a8955ecbd6f7d4671e1a9a5275d913

                                    SHA1

                                    1980ff590a836b3c8aad1457d82b94dfea144143

                                    SHA256

                                    170507f7466ee90f6c4452029336dc09f51346c3ce1e23538a03d7d5930dfb7e

                                    SHA512

                                    c7de1093f6057237057e3d01a8963625a7c15861899b5f8165ec0f7b371e37a31c8fb0eb756b06b9445ea28c1d26c31b0575f5ff654d6134491752486962a0c8

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    f1f814b2a9ca453751c898a34c03d9f5

                                    SHA1

                                    8513aecd93937baf36cd1c936ad09cce41278e27

                                    SHA256

                                    bf17352b5ad6f2ce297aaf7dd495b33ed495213df7287e58d065e0fcd4dd347e

                                    SHA512

                                    4da23b23350213ecdaceb13fb6f63b9cd988c6aa69c3719fe8f5e94a91b8056341ef8bca90462243b42a84272814b062bd7123068d2c097da1577e72fe898146

                                  • memory/1000-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1000-139-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1000-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1000-132-0x0000000000B60000-0x0000000001C1A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1000-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1000-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1000-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1608-24-0x0000000003B20000-0x0000000003B22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1608-29-0x0000000003B20000-0x0000000003B22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1608-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1608-21-0x0000000003B30000-0x0000000003B31000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1608-20-0x0000000003B20000-0x0000000003B22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3504-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3504-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3504-138-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3504-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3504-92-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3724-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3724-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3724-90-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3724-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3724-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4988-56-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-78-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-41-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-52-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4988-55-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-57-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-34-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-32-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-23-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4988-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-17-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-71-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-73-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-76-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-40-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-80-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-81-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-84-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-85-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-86-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-88-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-89-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-30-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4988-18-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-27-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4988-100-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4988-19-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-28-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4988-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-6-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4988-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB