Analysis

  • max time kernel
    119s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 03:31

General

  • Target

    ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.exe

  • Size

    1.1MB

  • MD5

    59e1999c52927100f2469879c1a33940

  • SHA1

    a2085f997a748b940d1f559112728026b8657ec7

  • SHA256

    ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5

  • SHA512

    b90a00397f7929b02620450cfb55fc235fe5d3dea94b673ec21a59d0aa7b55156f921d306eb2809f383e3b6d014fe5baa204dd3fc3f55a2993039b3546723f9d

  • SSDEEP

    24576:BIXW/8yw1ez54lIrF5SXYH11jJ+dJG4qS6dTVZHfFcno0:+9bC4lI+8J+3G3ldTVBNM

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

  • Disables service(s) 3 TTPs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Blocklisted process makes network request 1 IoCs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 13 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 7 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.exe
            "C:\Users\Admin\AppData\Local\Temp\ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.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 autorun.inf file
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: RenamesItself
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2620
            • C:\Windows\SysWOW64\system.exe
              C:\Windows\system32\system.exe
              3⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2284
              • C:\Windows\SysWOW64\Rundll32.exe
                Rundll32 C:\Windows\system32\ulrehdtb.dll Exxcute
                4⤵
                • Loads dropped DLL
                • Drops file in Program Files directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:2736
                • C:\Windows\SysWOW64\net.exe
                  net stop WinDefend
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2776
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop WinDefend
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2448
                • C:\Windows\SysWOW64\net.exe
                  net stop MpsSvc
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2120
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MpsSvc
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2452
                • C:\Windows\SysWOW64\sc.exe
                  sc config WinDefend start= disabled
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:1940
                • C:\Windows\SysWOW64\sc.exe
                  sc config MpsSvc start= disabled
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2160
                • C:\Windows\SysWOW64\sc.exe
                  sc stop ZhuDongFangYu
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2372
                • C:\Windows\SysWOW64\sc.exe
                  sc delete ZhuDongFangYu
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2360
                • C:\Windows\SysWOW64\sc.exe
                  sc stop 360rp
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:1380
                • C:\Windows\SysWOW64\sc.exe
                  sc delete 360rp
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:1616
                • C:\Windows\SysWOW64\sc.exe
                  "C:\Windows\System32\sc.exe" stop PolicyAgent
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2908
              • C:\Windows\SysWOW64\Rundll32.exe
                Rundll32 C:\Windows\system32\nbctjdtb.dll Exucute
                4⤵
                • Blocklisted process makes network request
                • Loads dropped DLL
                • Adds Run key to start application
                • Enumerates connected drives
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                PID:2684
            • C:\Users\Admin\AppData\Local\Temp\ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.exe
              C:\Users\Admin\AppData\Local\Temp\ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.exe
              3⤵
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:2852
              • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                4⤵
                • Modifies visiblity of hidden/system files in Explorer
                • Executes dropped EXE
                • Enumerates connected drives
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:1232
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1628
          • C:\Windows\system32\conhost.exe
            \??\C:\Windows\system32\conhost.exe "-10666176581685568598102949072024170643-21322623291769947887-1470918091249953153"
            1⤵
              PID:1668
            • C:\Windows\system32\conhost.exe
              \??\C:\Windows\system32\conhost.exe "-318049383-41570078511004272198886173662053958303-12830302391680111424-1539343390"
              1⤵
                PID:2320
              • C:\Windows\system32\conhost.exe
                \??\C:\Windows\system32\conhost.exe "-1474205123-16123863451245506613-239807121654201347-104933714649888551-797115091"
                1⤵
                  PID:1036
                • C:\Windows\system32\conhost.exe
                  \??\C:\Windows\system32\conhost.exe "-1392588196440936386900111017-247373265-1173292920-1612357988-2114094102-1300793637"
                  1⤵
                    PID:1624
                  • C:\Windows\system32\conhost.exe
                    \??\C:\Windows\system32\conhost.exe "-395051000-11555981411500473524-2137733544-17574192151279839856-965260884-1399958956"
                    1⤵
                      PID:1936
                    • C:\Windows\system32\conhost.exe
                      \??\C:\Windows\system32\conhost.exe "-20007220921648170919-1813400382948465454-126933978315910647231059976117-1031226473"
                      1⤵
                        PID:924
                      • C:\Windows\system32\conhost.exe
                        \??\C:\Windows\system32\conhost.exe "1425095211849903097-3069413401211958112-1640622367-612200337-1061762819-1750714787"
                        1⤵
                          PID:784
                        • C:\Windows\system32\conhost.exe
                          \??\C:\Windows\system32\conhost.exe "1583589737-1189043368-753269521-575084537323553809-690876148738005302-1903388456"
                          1⤵
                            PID:2820
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
                            1⤵
                              PID:596

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\0F78673B_Rar\rundll32.exe

                              Filesize

                              664KB

                              MD5

                              2eb5d76180ce7b3241b281fa79ab3483

                              SHA1

                              06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

                              SHA256

                              e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

                              SHA512

                              35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

                            • C:\Windows\SysWOW64\nbctjdtb.dll

                              Filesize

                              22KB

                              MD5

                              5a8d0e7f4d185892dcb1c2578958823a

                              SHA1

                              d512d61257db3b3e0e2352166ff36ccbdd30ed2f

                              SHA256

                              d7a015829ff20cb652b4b68c628a2d86b48891bcc24ece7e5c833cdfde911b13

                              SHA512

                              32c9181abf7b100930f45d4cfd5900770d5dd8a4852b007f3f72dc0caf5f8ad98315f50af9b006d2b523cf9af733da84d0569eff832c0c86b20ee1d6bf22ad71

                            • C:\sfsfts.pif

                              Filesize

                              97KB

                              MD5

                              3c71cc3d6e4cedf6ca6105c6781e8e46

                              SHA1

                              3ad868227312c67957ac583e5c55cb6dea7f1009

                              SHA256

                              a7026334380438e4075371e50d1e3ed01032b2525d5eee79cbdb4f9f7bcd8584

                              SHA512

                              6600f3e3fdf44b63b51d681041e4e2c1e77a1d94cb1ff7ac80f262d06762c4e86bf91ebc572e6fefcd9d8074c422c0216a6db20371a08ea9a5ed08600ff42b61

                            • \Users\Admin\AppData\Local\Temp\2462.tmp

                              Filesize

                              1.7MB

                              MD5

                              b5eb5bd3066959611e1f7a80fd6cc172

                              SHA1

                              6fb1532059212c840737b3f923a9c0b152c0887a

                              SHA256

                              1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

                              SHA512

                              6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

                            • \Users\Admin\AppData\Local\Temp\ce4aafb232ae8c3580fb7ca1334fdaddeae7bf01b203bb13b6c198835feaa9c5N.exe

                              Filesize

                              728KB

                              MD5

                              58c2b81fbd18a43bd4a79c3d7eb10600

                              SHA1

                              014eee5ccbc16bf353551eccd9f75894f9065447

                              SHA256

                              5b26f2359577daed9cfb49f4090cc94b8e51a916b1fd327ffbdd9ab57349762e

                              SHA512

                              54bd8f5363c521f2da319965d785df9f7f738eb95e5c640431aca8c96f7f40614e3eb888e499601bc26cbd050efd163375d54fdd38491e74931d8061864a81fa

                            • \Windows\SysWOW64\system.exe

                              Filesize

                              416KB

                              MD5

                              f18152f61f9aba193ac4ed152715719e

                              SHA1

                              50feaeb8a7e592f19aeeec2dd6252dc004df136b

                              SHA256

                              86dc887ce015c6deb717da0b551b41ed57fbecfe57fb11ee1faed129bf6413d1

                              SHA512

                              b3da5195ac2ca599be4698f0ec6c60ce40b52a805b379940ab40dd7943afadfa758592783f125ca0ac308b61b5027b186098b6aa839747af85bd6608b2394703

                            • \Windows\SysWOW64\ulrehdtb.dll

                              Filesize

                              76KB

                              MD5

                              571b5bf943a03b56627aae4ccb0841d9

                              SHA1

                              fc0d40a3ed252ab6440466dda2db2967df18e7c6

                              SHA256

                              4afa0c12a66a020512ea1674be986ea7210f067c38612ac74bc766e86b4283e3

                              SHA512

                              e43bf28477b2da4d07a7134a9a6c54ad1ec348b6dfe93fdc43370f4afc6cbec2540036e8b38b9a45d1a579292a60fcfab580ac8d1c4ecc7b59df333359edf578

                            • memory/1104-14-0x0000000000310000-0x0000000000312000-memory.dmp

                              Filesize

                              8KB

                            • memory/1232-403-0x0000000000400000-0x00000000004BE000-memory.dmp

                              Filesize

                              760KB

                            • memory/2284-271-0x0000000000400000-0x0000000000437000-memory.dmp

                              Filesize

                              220KB

                            • memory/2284-40-0x00000000001B0000-0x00000000001B2000-memory.dmp

                              Filesize

                              8KB

                            • memory/2284-31-0x0000000000300000-0x0000000000301000-memory.dmp

                              Filesize

                              4KB

                            • memory/2284-33-0x00000000001B0000-0x00000000001B2000-memory.dmp

                              Filesize

                              8KB

                            • memory/2284-39-0x0000000000400000-0x0000000000437000-memory.dmp

                              Filesize

                              220KB

                            • memory/2620-42-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-86-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-13-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-6-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-38-0x0000000000190000-0x0000000000192000-memory.dmp

                              Filesize

                              8KB

                            • memory/2620-34-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-57-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-56-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-41-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-25-0x0000000000190000-0x0000000000192000-memory.dmp

                              Filesize

                              8KB

                            • memory/2620-24-0x00000000003D0000-0x00000000003D1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2620-22-0x00000000003D0000-0x00000000003D1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2620-21-0x0000000000190000-0x0000000000192000-memory.dmp

                              Filesize

                              8KB

                            • memory/2620-37-0x0000000000970000-0x00000000009A7000-memory.dmp

                              Filesize

                              220KB

                            • memory/2620-0-0x0000000000400000-0x0000000000528000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/2620-43-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-35-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-238-0x00000000099F0000-0x0000000009AAE000-memory.dmp

                              Filesize

                              760KB

                            • memory/2620-2-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-36-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-393-0x00000000099F0000-0x0000000009AAE000-memory.dmp

                              Filesize

                              760KB

                            • memory/2620-7-0x0000000002560000-0x000000000361A000-memory.dmp

                              Filesize

                              16.7MB

                            • memory/2620-8-0x0000000000350000-0x0000000000387000-memory.dmp

                              Filesize

                              220KB

                            • memory/2620-364-0x0000000000400000-0x0000000000528000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/2620-365-0x0000000000350000-0x0000000000387000-memory.dmp

                              Filesize

                              220KB

                            • memory/2852-286-0x0000000000400000-0x00000000004BE000-memory.dmp

                              Filesize

                              760KB

                            • memory/2852-241-0x0000000000400000-0x00000000004BE000-memory.dmp

                              Filesize

                              760KB