Analysis

  • max time kernel
    96s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 05:56

General

  • Target

    e501a7708b168c18e4effe01f9f7ed41bedbcb7f7b0bd20632daaf7e8e215c22.exe

  • Size

    654KB

  • MD5

    926fd7ad60304c5c300af3075dd8522d

  • SHA1

    0aedfeda0a58abe4e2f52bbef05df441bd20c0dc

  • SHA256

    e501a7708b168c18e4effe01f9f7ed41bedbcb7f7b0bd20632daaf7e8e215c22

  • SHA512

    76f2b28df2d65e1eae328838e358b0bdf8b37aa23e62c63102ef48dbee2546e7bea45e356a8ffa319e9903de75a972006a1ac7df3e13fbc10220fdf024644ab5

  • SSDEEP

    12288:BQe0gFJzVe3ohdwTIOzSW0l2zdpZSPPvdVwtS8J+cb0cBu0e7IOAZiqfyDGRYD1c:agFJzcMWuWhzdpA1Vw/b0x7IsqfyCRYc

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 6 IoCs

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

  • UPX packed file 21 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 35 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • 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:3020
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3456
                  • C:\Users\Admin\AppData\Local\Temp\e501a7708b168c18e4effe01f9f7ed41bedbcb7f7b0bd20632daaf7e8e215c22.exe
                    "C:\Users\Admin\AppData\Local\Temp\e501a7708b168c18e4effe01f9f7ed41bedbcb7f7b0bd20632daaf7e8e215c22.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Loads dropped DLL
                    • 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:4752
                    • \??\c:\a8c335a30367b85789\update\update.exe
                      c:\a8c335a30367b85789\update\update.exe
                      3⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      PID:3440
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3924
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • 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:3748
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3324

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57B93E_Rar\e501a7708b168c18e4effe01f9f7ed41bedbcb7f7b0bd20632daaf7e8e215c22.exe

                                  Filesize

                                  590KB

                                  MD5

                                  67d24adceabe017ea685b3fd6311f7c1

                                  SHA1

                                  66b6f8d0d74469a85a7044fca3afa3909c59d585

                                  SHA256

                                  5f30925753c29d983c08b1f65c645a110400a0587f4d1d9b73dd47c69f4658ac

                                  SHA512

                                  9803e3a252ff1fc79343c6871d0fabacac07d7c39e0474050c8e0e6f86263003681feaeb861214db27c206517d40ac8da019ff940c7cc8c7b6925a6c1144ef79

                                • C:\a8c335a30367b85789\_sfx_.dll

                                  Filesize

                                  25KB

                                  MD5

                                  ee207e35aea4d5df41d90221e1b66efa

                                  SHA1

                                  757469cf9ad2f21f267bbe730560114fdf8a89a5

                                  SHA256

                                  cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64

                                  SHA512

                                  43e9f75725daa4f3428b2d9cee2c2cc8b2f2e991b8e58d72d2f429fbdfb614c86d172f03d3f9da98756bd4e245643d9a57c6efa422d6c60ad364a2322245542d

                                • C:\a8c335a30367b85789\update\update.exe

                                  Filesize

                                  712KB

                                  MD5

                                  9570121468658dcc6972f1dfa624a223

                                  SHA1

                                  61716952df7a03fc01ac919f44f07e9588840b8c

                                  SHA256

                                  bc2cde5db3027a726c81df78bdef10b5ec9a7b4a5ba297911c7b999638f76b33

                                  SHA512

                                  7c2168a6db5bf7dd7c09682983e9059524621834d0d9ae250382c74d714b0e99b625f5ee9a648e18de9fa25b580bac5ab770ad63c406a9f88c87ade1a372429c

                                • C:\a8c335a30367b85789\update\updspapi.dll

                                  Filesize

                                  331KB

                                  MD5

                                  eb5c64286d987337f702813e73fcf615

                                  SHA1

                                  77c393b4cf5b61c29afa408ec1ebd93b22271e3f

                                  SHA256

                                  44062d8525a1de307491a46376d1831e23c27c18edb3de8f142d83eb7a21fc52

                                  SHA512

                                  0c71779a7b5a3507b5d0ccc0f9ff785032e1d8c32e76a0c0acadfd531d9ca87b61fd9742d69c610823a4315e181ad41f561811badbc262052d0f3ba86b9237a6

                                • memory/3440-110-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3440-96-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3440-97-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3440-90-0x00000000005E0000-0x0000000000634000-memory.dmp

                                  Filesize

                                  336KB

                                • memory/4752-20-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-93-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-18-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-8-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-4-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-24-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-6-0x0000000000710000-0x0000000000711000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4752-12-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4752-21-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4752-25-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-65-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-23-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-19-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-22-0x0000000001002000-0x0000000001003000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4752-67-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-0-0x0000000001000000-0x00000000010B6000-memory.dmp

                                  Filesize

                                  728KB

                                • memory/4752-92-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-91-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-7-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-5-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4752-99-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-100-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-102-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4752-105-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-104-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-3-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-129-0x00000000024D0000-0x000000000358A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4752-134-0x0000000001000000-0x00000000010B6000-memory.dmp

                                  Filesize

                                  728KB