Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 01:40

General

  • Target

    a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll

  • Size

    120KB

  • MD5

    eb613ca57258709512eb1b147f253047

  • SHA1

    edf7e064c1f753a4913f2ef3622f4fb8b4aceb80

  • SHA256

    a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5

  • SHA512

    344f030b582f111f3b060eff86e15beffcf5c60b766ef3653c1cea9f3e3e28cfdc96aade73fb9f0fcd58a35af7d09911f89d53064ee57a4bd7690c66a0e0d31f

  • SSDEEP

    3072:Ak2LhALW38jLP/SlieYjXN+BlQIadxUNT:p2FAB2l0h+oR

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 32 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 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:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2420
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2436
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2684
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1800
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1612
                      • C:\Users\Admin\AppData\Local\Temp\e578194.exe
                        C:\Users\Admin\AppData\Local\Temp\e578194.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:2292
                      • C:\Users\Admin\AppData\Local\Temp\e578368.exe
                        C:\Users\Admin\AppData\Local\Temp\e578368.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4700
                      • C:\Users\Admin\AppData\Local\Temp\e579d1b.exe
                        C:\Users\Admin\AppData\Local\Temp\e579d1b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3896
                      • C:\Users\Admin\AppData\Local\Temp\e579d2a.exe
                        C:\Users\Admin\AppData\Local\Temp\e579d2a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3632
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • 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:3880
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3972
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4100
                            • 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:3732
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4452
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1236
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2104

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e578194.exe

                                      Filesize

                                      97KB

                                      MD5

                                      504d909572517e618a335383b779968a

                                      SHA1

                                      7098d960bd5b5b3667ff2f598f73e2f4c64a827e

                                      SHA256

                                      266245cee398a8ec878decbc67a30db205ae26712e188db8abbecae30b49e82d

                                      SHA512

                                      122b9e1ca9dc7d8a934571113757179fa4bf84e4f2d576fd54de0d1e4643e94aa28f97b44dc938821b628fda869e21b462e07f201901e52ac3fa3bccc8394ea9

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      238a01136d9cd6b48b1abad800f67355

                                      SHA1

                                      e0d0ebbe07580b456c8edb326aba0b1357013ba9

                                      SHA256

                                      7cd48fd8c970556c2f6895b4efd604bd4c32baba56a418a44604ca3dd16b862c

                                      SHA512

                                      1c839b22951a8b18cce17f0187cc284d00bf1e5515360fe6e4bb576a2edb6ac6addee8b2f833aedcc430aed94e46da6fc5e9e31fca74957fbc096dfd201b252c

                                    • memory/1612-22-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1612-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1612-30-0x0000000000E40000-0x0000000000E41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1612-29-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1612-23-0x00000000008C0000-0x00000000008C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-86-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-13-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-14-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-27-0x0000000004370000-0x0000000004371000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2292-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-34-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-21-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-31-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-15-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-44-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2292-57-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-59-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2292-103-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-107-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2292-98-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-75-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-88-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-84-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-82-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-80-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2292-77-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3632-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3632-70-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3632-101-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3632-159-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3632-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3632-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3896-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3896-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3896-67-0x0000000000420000-0x0000000000421000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3896-73-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3896-100-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4700-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4700-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4700-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4700-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4700-132-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4700-151-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4700-150-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4700-69-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB