Analysis

  • max time kernel
    95s
  • max time network
    100s
  • 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 00:57

General

  • Target

    90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll

  • Size

    120KB

  • MD5

    ff83b0fe3c633a55ac2979c57906efa0

  • SHA1

    99728bbeaed9b28b3d31aeb5a712cdcd82e3905c

  • SHA256

    90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6e

  • SHA512

    d25ccaf32a3dc83ec6ebaf3c1cb6ce358ecd4232f20e0dc9774fe27978a45fb82db9e9c336e29c7fd479573b1c291c7e8098c6c56c6d5d06cdc184a6764607bc

  • SSDEEP

    3072:aaIj887GmoiFVERhAyosKXvclZ08Gz1Jw7kU:aDPFV0Fos7Z0F/q

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 13 IoCs

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

  • UPX packed file 27 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 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:392
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2848
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3044
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1096
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3176
                      • C:\Users\Admin\AppData\Local\Temp\e579877.exe
                        C:\Users\Admin\AppData\Local\Temp\e579877.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:1020
                      • C:\Users\Admin\AppData\Local\Temp\e579a2d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579a2d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4820
                      • C:\Users\Admin\AppData\Local\Temp\e57beac.exe
                        C:\Users\Admin\AppData\Local\Temp\e57beac.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:216
                      • C:\Users\Admin\AppData\Local\Temp\e57bf77.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf77.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:3164
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3800
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3892
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3956
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3556
                            • 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:1496
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4556

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e579877.exe

                                  Filesize

                                  97KB

                                  MD5

                                  18ce9218177810ae7faaf2f6e78e5fed

                                  SHA1

                                  cd40f048835682f61bd7f74657488ef3c0fc35a8

                                  SHA256

                                  f2860b7fe376e24a722bb23fcb5bab946a1767782492fe2489b0e8dda05a6956

                                  SHA512

                                  c810dd0793b13797c23f7ce315bd5aa74383c2b85124a7390f17683d77c20f3d496ef62057133476638c7dd1f5c64b55ee31ee930bffb9be407fc1d8f738e4f6

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  057ce9f0ad667bb61147b4bdee6bd7d9

                                  SHA1

                                  acf4aac664ee21b59bd65c25d09c6f245c4ae3fa

                                  SHA256

                                  8e163fcb721d5e447666c893bcceb7c1ca2091af3d24a5888ce1728d39517bd6

                                  SHA512

                                  8b3d294126958b9c1bd2c81c2faf1e1feeb5b9780d355d1615690f28caaac0cf802a6e6a5d96dfd2279fb4120516ee93d04ecccd5d712e80dee1103f343cafda

                                • memory/216-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/216-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/216-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/216-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/216-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1020-40-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-73-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-33-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-36-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-35-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-27-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-31-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1020-11-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-28-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1020-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1020-18-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-6-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-10-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-15-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1020-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1020-37-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-38-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-39-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-92-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-41-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-83-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-81-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-78-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-76-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-74-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-34-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-72-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-9-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-70-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1020-69-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/1020-8-0x0000000000800000-0x00000000018BA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3164-159-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3164-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3164-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3164-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3164-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3164-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3164-119-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3176-16-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3176-21-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3176-20-0x0000000004070000-0x0000000004071000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3176-12-0x0000000000C80000-0x0000000000C82000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4820-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4820-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4820-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4820-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4820-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB