Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 14:30

General

  • Target

    NEAS.645da147f59a5e503ae8522358afe7b0.dll

  • Size

    120KB

  • MD5

    645da147f59a5e503ae8522358afe7b0

  • SHA1

    a4d6da358c5285ea052e0cc6814afb1de6c6a48a

  • SHA256

    037f0188662c0c48c70c69243393446fd89ad3f3a8d4a7a696467709290e3ec7

  • SHA512

    73b1f0dd5dfbd48740a026ccf5c99ca1eb82745b37a45a6a3a20174be88a7ff8cf0955722ecb08739293ac79f3c24f7bfa5402c3affa64716386093da977b35c

  • SSDEEP

    1536:RYBmlO4qF5ZiHCLPGOlFrhIlwlERsluK7gL+2i8YXYOFIxJbIbu2baJE1h:RYBmI4qF5cOj71Ik5lxU+2MebWFV

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 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 27 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 5 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • 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\dwm.exe
    "dwm.exe"
    1⤵
      PID:376
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2972
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2904
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:2856
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3316
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.645da147f59a5e503ae8522358afe7b0.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3700
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.645da147f59a5e503ae8522358afe7b0.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:580
                      • C:\Users\Admin\AppData\Local\Temp\e579e34.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e34.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3248
                      • C:\Users\Admin\AppData\Local\Temp\e57a160.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a160.exe
                        4⤵
                        • Executes dropped EXE
                        PID:4664
                      • C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ccc6.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3872
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3840
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3776
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:4036
                      • C:\Windows\system32\backgroundTaskHost.exe
                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                        1⤵
                          PID:4620
                        • C:\Windows\system32\backgroundTaskHost.exe
                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                          1⤵
                            PID:3796
                          • 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:4516
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4352
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3544
                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                  1⤵
                                    PID:3932
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    1⤵
                                      PID:3632
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                      1⤵
                                        PID:3436
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3252
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:3624

                                          Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\e579e34.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e579e34.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e57a160.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e57a160.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe

                                                  Filesize

                                                  97KB

                                                  MD5

                                                  00ca852d09b1bd2e1dc09ad99cc38495

                                                  SHA1

                                                  d3ef59f31b7eb4b30ff8a32b56ecedccd19d12ce

                                                  SHA256

                                                  8c822c8fc2403ec774f8113b1a4b0c35357d66a3f9ff546991cb0b75a05144ff

                                                  SHA512

                                                  ebf45e1937159870aa87cd14c40cff7fa743030741c63a67359e8d99b403599e4a0bff837e4c6037531af2f9c8b2c6a9c430a895b8624c79f75d15ab5aa02680

                                                • C:\Windows\SYSTEM.INI

                                                  Filesize

                                                  257B

                                                  MD5

                                                  fcb18703b0236a84ba4a7dfb3f79a83a

                                                  SHA1

                                                  adbf3fd0ede4c142b481424878dff6f4010a9229

                                                  SHA256

                                                  97e6cae9638727c24731e66e2460e88fe0cb6bb44a3e8c18a020fa057f897fda

                                                  SHA512

                                                  1a349ff444964420e332b052af216f3ca711569da23b3f8b74cf34956fd11496362105e8de44896308653bd6bae59bbf1cfee75a492a38165a2b1e8a1924bf5b

                                                • memory/580-11-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/580-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/580-15-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/580-13-0x0000000004000000-0x0000000004001000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/580-42-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3248-23-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-51-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-22-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3248-25-0x0000000003520000-0x0000000003522000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3248-31-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-32-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-33-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-34-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-35-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-36-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-37-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-38-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-12-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3248-10-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-9-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3248-7-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-50-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-64-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-53-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-54-0x0000000003520000-0x0000000003522000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3248-55-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-61-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3248-63-0x0000000000790000-0x000000000184A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-92-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-95-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3872-133-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-89-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-104-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-98-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-97-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/3872-91-0x00000000007C0000-0x000000000187A000-memory.dmp

                                                  Filesize

                                                  16.7MB

                                                • memory/3872-94-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/4664-21-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4664-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/4664-48-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4664-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/4664-45-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                  Filesize

                                                  4KB