Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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, 00:46

General

  • Target

    a05ea834447ad55758f92fd4a54990c4aa1e3ec704475530599ba85bc3427496.dll

  • Size

    120KB

  • MD5

    70b04381c4a5d03e1c703cad16ba9097

  • SHA1

    228af87e74d2df30db5f6eddfa3915541a4a87dd

  • SHA256

    a05ea834447ad55758f92fd4a54990c4aa1e3ec704475530599ba85bc3427496

  • SHA512

    b6aaeef7e7536a3b1325f431b681c973b5407c7b21e6731ec727bbed2400d46628e87dec7d32037c288641d6c842339a1fca3e9f5e7ae8b205f6ffa48c19b8db

  • SSDEEP

    1536:w8DiDviPeQ+Egdx7XaqJTQgfwrQUX4Z6Vam2CRmz5OzuwRAjj+M6VEzXFKMuH2:9BPbgT+qJcagXkyamFntRAeM60FFW

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 28 IoCs

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

  • 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1012
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2632
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2644
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2732
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a05ea834447ad55758f92fd4a54990c4aa1e3ec704475530599ba85bc3427496.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4660
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a05ea834447ad55758f92fd4a54990c4aa1e3ec704475530599ba85bc3427496.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2884
                      • C:\Users\Admin\AppData\Local\Temp\e57b120.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b120.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:3920
                      • C:\Users\Admin\AppData\Local\Temp\e57b2a6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b2a6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4956
                      • C:\Users\Admin\AppData\Local\Temp\e57de1b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57de1b.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:1380
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3896
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3980
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:4736
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5068
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4932

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57b120.exe

                                    Filesize

                                    97KB

                                    MD5

                                    74ec69690b25708b3f6da4cd8e865eea

                                    SHA1

                                    ceda07f967328202f07e8916c60e7582de1e4839

                                    SHA256

                                    968c363c233a286a8b55ac1dde2a1db18aa2ce3c4b5bbe10cb0a04e4a51a5cec

                                    SHA512

                                    7ab748269da8266e7ff3ec9056cfa8a26ca84bdb16fd1780c480d21b2b2351ce0fe85dcba25a5b601744cfb5cf6437fa29af8c7486f381843955817606c56085

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    1e2f4ba48f04086b5356a461d233ac1d

                                    SHA1

                                    af5ba0a3ef9da4fdb9a907f1fd896157234dd0f3

                                    SHA256

                                    6949e78be99aba245a9cfad294110574ef8b4602a6973ac11812f06128bf02b4

                                    SHA512

                                    f50df898561b25165814cb79c842e9c07329444519afcdf666ea864c79b5dc30b75eebe0079ef23f801f6ae67076f82cd11218eac0cd10e120a3b9624a8088d2

                                  • memory/1380-149-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1380-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1380-147-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1380-96-0x00000000007B0000-0x000000000186A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1380-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2884-28-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2884-23-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2884-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2884-19-0x00000000044A0000-0x00000000044A2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2884-20-0x0000000004A80000-0x0000000004A81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3920-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-55-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-27-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3920-22-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3920-33-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-34-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-35-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-26-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-40-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3920-7-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-46-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-29-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3920-56-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3920-58-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-63-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-68-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-13-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-73-0x0000000000830000-0x00000000018EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3920-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4956-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4956-89-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4956-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4956-44-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4956-45-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4956-43-0x0000000000570000-0x0000000000571000-memory.dmp

                                    Filesize

                                    4KB