Analysis

  • max time kernel
    114s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 23:42

General

  • Target

    4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe

  • Size

    418KB

  • MD5

    58eb136fdbe15037179b44f133723c33

  • SHA1

    c83e920a5b0a1f684c265208d0195829e36dfe79

  • SHA256

    4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9

  • SHA512

    c4f76809365c7df3ef8e13a2caa799906847d88f8e4cee8b034e77f193e2e9f9f28fd03035e11f940ab340cfd9e40019f5875ccb3543a454289d0002d29ff0ed

  • SSDEEP

    3072:Lr8zCz/U1KZvMivW+0g/W+fFHScL9/zRFuvxEJwDijpS4DbYc4:H/fvMA0+WEFycLhzevxEJF8

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

http://klkjwre77638dfqwieuoi888.info/

Signatures

  • Detect Neshta payload 7 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 42 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 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:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2744
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3460
                  • C:\Users\Admin\AppData\Local\Temp\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe
                    "C:\Users\Admin\AppData\Local\Temp\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Checks computer location settings
                    • Modifies system executable filetype association
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4488
                    • C:\Users\Admin\AppData\Local\Temp\3582-490\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe
                      "C:\Users\Admin\AppData\Local\Temp\3582-490\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe"
                      3⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4016
                      • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
                        "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
                        4⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:4492
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks.exe /delete /tn "UsbFix Boot Scan" /f
                          5⤵
                          • System Location Discovery: System Language Discovery
                          PID:3556
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks.exe /delete /tn "UsbFix Start" /f
                          5⤵
                          • System Location Discovery: System Language Discovery
                          PID:4520
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks.exe /delete /tn "UsbFix Monitor" /f
                          5⤵
                          • System Location Discovery: System Language Discovery
                          PID:3956
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3676
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4092
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4188
                            • 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:1624
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:844

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E57B1DB_Rar\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe

                                  Filesize

                                  346KB

                                  MD5

                                  f2c47304fd5347c1274418796da953c0

                                  SHA1

                                  8a76e411b32c094a03e8a1462cdd522fd2133846

                                  SHA256

                                  5c7eca3fd4a4a610aa29a0ab31ee97eeff640875383e048f7950a2aa13702681

                                  SHA512

                                  3684923989bc750cb0c09f3b18f8b9ad3ef0cf263fdbc8abcb5ac44ead73b4588de5fb06749dadb7a22d10c07fce74fbca1c8cb5ceaaa7f98e27f98f54423453

                                • C:\Users\Admin\AppData\Local\Temp\3582-490\4c51625ed9f10ee2566f7572ef34d83b5c7a9f496aff19ac42ae9ba60aaa26d9.exe

                                  Filesize

                                  305KB

                                  MD5

                                  03d79a2f4369678343f8f99afa39dc5f

                                  SHA1

                                  07154dbea3dde2c3c924cf91c87bf984b5f3d654

                                  SHA256

                                  27158949ee4a1d8149648258f8ec57d906c21ec07d5cdf1d011b4407f0d0eb85

                                  SHA512

                                  93d80fb5046e9836b8c62985cb2594df95a2d76a0c0b9568675cc2ffae800c3644edc8cb4bc04b204309551683d01e64cbf52cd4136ff624b0b61717ad58bfb1

                                • C:\Users\Admin\AppData\Local\Temp\nsvBA0A.tmp\nsExec.dll

                                  Filesize

                                  6KB

                                  MD5

                                  b38561661a7164e3bbb04edc3718fe89

                                  SHA1

                                  f13c873c8db121ba21244b1e9a457204360d543f

                                  SHA256

                                  c2c88e4a32c734b0cb4ae507c1a9a1b417a2375079111fb1b35fab23aedd41d9

                                  SHA512

                                  fedcaac20722de3519382011ccf22314af3edcd11b69f814db14710966853b69b9b5fc98383edcdb64d050ff825264eaba27b1c5adfe61d1fc9d77f13a052ced

                                • C:\Users\Admin\AppData\Local\Temp\nsvBA0A.tmp\nsProcess.dll

                                  Filesize

                                  4KB

                                  MD5

                                  faa7f034b38e729a983965c04cc70fc1

                                  SHA1

                                  df8bda55b498976ea47d25d8a77539b049dab55e

                                  SHA256

                                  579a034ff5ab9b732a318b1636c2902840f604e8e664f5b93c07a99253b3c9cf

                                  SHA512

                                  7868f9b437fcf829ad993ff57995f58836ad578458994361c72ae1bf1dfb74022f9f9e948b48afd3361ed3426c4f85b4bb0d595e38ee278fee5c4425c4491dbf

                                • memory/4488-0-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-5-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-4-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-3-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-17-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-16-0x0000000003E10000-0x0000000003E11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4488-15-0x0000000003E00000-0x0000000003E02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4488-18-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-14-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-19-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-21-0x0000000003E00000-0x0000000003E02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4488-13-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-20-0x0000000003E00000-0x0000000003E02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4488-22-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-40-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-44-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-67-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-139-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-153-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-155-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-156-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-159-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-158-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-160-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-163-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-164-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-166-0x0000000003E00000-0x0000000003E02000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4488-167-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-169-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-170-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-171-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-173-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-177-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-178-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-179-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-181-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-183-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-189-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-190-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-194-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-195-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-196-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-197-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-198-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-200-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-201-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-202-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-206-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-207-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-208-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4488-209-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-226-0x0000000000400000-0x000000000042D000-memory.dmp

                                  Filesize

                                  180KB

                                • memory/4488-227-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB