Analysis

  • max time kernel
    118s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 01:26

General

  • Target

    2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.exe

  • Size

    1.1MB

  • MD5

    b14f761584f10b32e67a3cab5862ac20

  • SHA1

    5c7b0bf5448c136c8163c5fbc33d9e38e328dda1

  • SHA256

    2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fd

  • SHA512

    5f2c1e51f4895f51bfb662bf55f8c1a4d9b3ce492c9c73a987554df726baff8a355825f2a6efa6f5b18a592ef141c356ea0b8378791402bfc9650548fe6bd9b6

  • SSDEEP

    24576:jIXW/8yw1ez54lIrF5SXYHU1jJ+dJG4qS6dTVZHf/HGY:s9bC4lI+5J+3G3ldTVBHN

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 11 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 29 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Users\Admin\AppData\Local\Temp\2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.exe
            "C:\Users\Admin\AppData\Local\Temp\2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.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:2512
            • 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:2192
              • C:\Windows\SysWOW64\Rundll32.exe
                Rundll32 C:\Windows\system32\mgpxxctb.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:1700
                • C:\Windows\SysWOW64\net.exe
                  net stop WinDefend
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2888
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop WinDefend
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2160
                • C:\Windows\SysWOW64\net.exe
                  net stop MpsSvc
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:1348
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MpsSvc
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2740
                • C:\Windows\SysWOW64\sc.exe
                  sc config WinDefend start= disabled
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:1396
                • C:\Windows\SysWOW64\sc.exe
                  sc config MpsSvc start= disabled
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2796
                • C:\Windows\SysWOW64\sc.exe
                  sc stop ZhuDongFangYu
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2324
                • C:\Windows\SysWOW64\sc.exe
                  sc delete ZhuDongFangYu
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2932
                • C:\Windows\SysWOW64\sc.exe
                  sc stop 360rp
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2476
                • C:\Windows\SysWOW64\sc.exe
                  sc delete 360rp
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2624
                • C:\Windows\SysWOW64\sc.exe
                  "C:\Windows\System32\sc.exe" stop PolicyAgent
                  5⤵
                  • Launches sc.exe
                  • System Location Discovery: System Language Discovery
                  PID:2980
              • C:\Windows\SysWOW64\Rundll32.exe
                Rundll32 C:\Windows\system32\dcvxxctb.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:1880
            • C:\Users\Admin\AppData\Local\Temp\2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.exe
              C:\Users\Admin\AppData\Local\Temp\2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.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:2916
              • 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:2640
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:632
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:340

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\0F7739F4_Rar\rundll32.exe

              Filesize

              664KB

              MD5

              2eb5d76180ce7b3241b281fa79ab3483

              SHA1

              06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

              SHA256

              e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

              SHA512

              35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

            • C:\Windows\SysWOW64\system.exe

              Filesize

              408KB

              MD5

              c59077448fd59ce09063897b1eb87a3f

              SHA1

              15b87c1bf598a0d86e7c0f944d3ce92ca725bc52

              SHA256

              9a09a9c5f00142b896330f28871de647451161bcc3fa38d995f532707818ae37

              SHA512

              c5d5199a63f1371d6a1bd5c229a6a4d4e7b5b1ea6c2d54a033ed1786b9f15df80055c84bd7ed90431657697cba8670d815adb247ecff543109102cc102bcaf94

            • F:\dljmgh.pif

              Filesize

              97KB

              MD5

              424d3f6960c3646991b8f4b520ae71b3

              SHA1

              d5300bc6601c9362dc4739ac839e2c9d16270593

              SHA256

              60362e94ddd5a15e051f6f93c96b28efe488af095410b033e7b5e46afa568bcc

              SHA512

              e7fc75ad1a582b0f8b1c9b23c25f3b64caa6e7bb375084c03760647a934264f05c71705601e21a9d6bf0a8c46eac72a16b2839ad5e4262b181840737c1df9227

            • \Users\Admin\AppData\Local\Temp\2c19c62726b33a75df9308a0567005cb8712aa877acb01daddc789fc2ace24fdN.exe

              Filesize

              728KB

              MD5

              58c2b81fbd18a43bd4a79c3d7eb10600

              SHA1

              014eee5ccbc16bf353551eccd9f75894f9065447

              SHA256

              5b26f2359577daed9cfb49f4090cc94b8e51a916b1fd327ffbdd9ab57349762e

              SHA512

              54bd8f5363c521f2da319965d785df9f7f738eb95e5c640431aca8c96f7f40614e3eb888e499601bc26cbd050efd163375d54fdd38491e74931d8061864a81fa

            • \Users\Admin\AppData\Local\Temp\BF97.tmp

              Filesize

              1.7MB

              MD5

              b5eb5bd3066959611e1f7a80fd6cc172

              SHA1

              6fb1532059212c840737b3f923a9c0b152c0887a

              SHA256

              1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

              SHA512

              6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

            • \Windows\SysWOW64\dcvxxctb.dll

              Filesize

              22KB

              MD5

              5a8d0e7f4d185892dcb1c2578958823a

              SHA1

              d512d61257db3b3e0e2352166ff36ccbdd30ed2f

              SHA256

              d7a015829ff20cb652b4b68c628a2d86b48891bcc24ece7e5c833cdfde911b13

              SHA512

              32c9181abf7b100930f45d4cfd5900770d5dd8a4852b007f3f72dc0caf5f8ad98315f50af9b006d2b523cf9af733da84d0569eff832c0c86b20ee1d6bf22ad71

            • \Windows\SysWOW64\mgpxxctb.dll

              Filesize

              76KB

              MD5

              571b5bf943a03b56627aae4ccb0841d9

              SHA1

              fc0d40a3ed252ab6440466dda2db2967df18e7c6

              SHA256

              4afa0c12a66a020512ea1674be986ea7210f067c38612ac74bc766e86b4283e3

              SHA512

              e43bf28477b2da4d07a7134a9a6c54ad1ec348b6dfe93fdc43370f4afc6cbec2540036e8b38b9a45d1a579292a60fcfab580ac8d1c4ecc7b59df333359edf578

            • memory/1112-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

              Filesize

              8KB

            • memory/1700-60-0x0000000000130000-0x0000000000132000-memory.dmp

              Filesize

              8KB

            • memory/1700-54-0x0000000000130000-0x0000000000132000-memory.dmp

              Filesize

              8KB

            • memory/1700-51-0x0000000000140000-0x0000000000141000-memory.dmp

              Filesize

              4KB

            • memory/2192-59-0x0000000000280000-0x0000000000282000-memory.dmp

              Filesize

              8KB

            • memory/2192-207-0x0000000000400000-0x0000000000437000-memory.dmp

              Filesize

              220KB

            • memory/2192-61-0x0000000000400000-0x0000000000437000-memory.dmp

              Filesize

              220KB

            • memory/2192-53-0x0000000000280000-0x0000000000282000-memory.dmp

              Filesize

              8KB

            • memory/2192-45-0x00000000002D0000-0x00000000002D1000-memory.dmp

              Filesize

              4KB

            • memory/2512-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

              Filesize

              4KB

            • memory/2512-56-0x0000000000250000-0x0000000000287000-memory.dmp

              Filesize

              220KB

            • memory/2512-1-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

              Filesize

              4KB

            • memory/2512-0-0x0000000000400000-0x0000000000526000-memory.dmp

              Filesize

              1.1MB

            • memory/2512-38-0x0000000000290000-0x0000000000292000-memory.dmp

              Filesize

              8KB

            • memory/2512-15-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-11-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-12-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-13-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-19-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-18-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-17-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-52-0x0000000000290000-0x0000000000292000-memory.dmp

              Filesize

              8KB

            • memory/2512-117-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-57-0x0000000000250000-0x0000000000287000-memory.dmp

              Filesize

              220KB

            • memory/2512-193-0x0000000009190000-0x000000000924E000-memory.dmp

              Filesize

              760KB

            • memory/2512-326-0x0000000009190000-0x000000000924E000-memory.dmp

              Filesize

              760KB

            • memory/2512-58-0x0000000000290000-0x0000000000292000-memory.dmp

              Filesize

              8KB

            • memory/2512-296-0x0000000000250000-0x0000000000287000-memory.dmp

              Filesize

              220KB

            • memory/2512-16-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-20-0x0000000002540000-0x00000000035FA000-memory.dmp

              Filesize

              16.7MB

            • memory/2512-294-0x0000000000400000-0x0000000000526000-memory.dmp

              Filesize

              1.1MB

            • memory/2512-295-0x0000000000250000-0x0000000000287000-memory.dmp

              Filesize

              220KB

            • memory/2640-336-0x0000000000400000-0x00000000004BE000-memory.dmp

              Filesize

              760KB

            • memory/2916-230-0x0000000000400000-0x00000000004BE000-memory.dmp

              Filesize

              760KB

            • memory/2916-195-0x0000000000400000-0x00000000004BE000-memory.dmp

              Filesize

              760KB