Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:18

General

  • Target

    5447a59294bb91f27bad4a9c81aa6978c729214b3b40b1121c126c5b9c01a1a1N.dll

  • Size

    120KB

  • MD5

    c607654f7b9e7919630666b439d7b080

  • SHA1

    47e58b051a60cc4f9a6f8d03184370117def45e6

  • SHA256

    5447a59294bb91f27bad4a9c81aa6978c729214b3b40b1121c126c5b9c01a1a1

  • SHA512

    d25575151f17b356806779ccc2403b610c7b4ac2eee93a867a7c6d6fec660e1190f3b9ba725791927a6615c848beae6190747d51064bc5d8e2274349c9fe1dae

  • SSDEEP

    3072:suDeambp515fNW4T4MnOCqb9knnL4Yo2:VDj2p5DfkBGOCqbKLW

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 9 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 Program Files directory 3 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2660
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2884
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5447a59294bb91f27bad4a9c81aa6978c729214b3b40b1121c126c5b9c01a1a1N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1428
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5447a59294bb91f27bad4a9c81aa6978c729214b3b40b1121c126c5b9c01a1a1N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:544
                      • C:\Users\Admin\AppData\Local\Temp\e57a856.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a856.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:4296
                      • C:\Users\Admin\AppData\Local\Temp\e57a9ad.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a9ad.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:2152
                      • C:\Users\Admin\AppData\Local\Temp\e57d011.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d011.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1916
                • 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:3740
                    • 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:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:1820
                            • 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:5064
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1328
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3288
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2172

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57a856.exe

                                      Filesize

                                      97KB

                                      MD5

                                      693dadb5c85adbc732d66ff2516dcdf3

                                      SHA1

                                      dbbc5d05ad83ff4c4b19e43927e078dba904b36e

                                      SHA256

                                      0e024467b957526af4e545b81ae5b741bc67bd84f826d9244566355b573f9c59

                                      SHA512

                                      df039ae353f61d3ec07eee2245642f268db090ffdb4200087c59cb251843abd1b7eee1e17578a3ad8b1fd18482c3581374f3bf4f67350b068c7e41a8db8dfb2b

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      640b108f7bc6f93b2a703fec6e3909bf

                                      SHA1

                                      ef30f48ee0d5bed252bea99d4b1d4d475e39aa05

                                      SHA256

                                      c2f4fabc98d5c0e3e085608e5a30d428409db099455c1469f4c1feae1cf59ed6

                                      SHA512

                                      87e04c26c833312b700e10d456523694dccad2ceba50c9332ca51c6d2873c9dd1e3ddfc81c0228a7ba14f545eca820f5d2ab9873eed7b30a097128b2b030b1d2

                                    • memory/544-17-0x00000000039E0000-0x00000000039E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/544-14-0x00000000039F0000-0x00000000039F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/544-13-0x00000000039E0000-0x00000000039E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/544-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/544-26-0x00000000039E0000-0x00000000039E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1916-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1916-122-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1916-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1916-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2152-117-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2152-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2152-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2152-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2152-104-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2152-118-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4296-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-12-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-31-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-35-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-16-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4296-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-25-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4296-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-27-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-55-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-57-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4296-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-59-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-60-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-62-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-64-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-65-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-66-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-68-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-72-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-75-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-92-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4296-28-0x0000000001A30000-0x0000000001A32000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4296-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4296-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB