Analysis

  • max time kernel
    163s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 02:03

General

  • Target

    a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe

  • Size

    404KB

  • MD5

    49ab5274566c34cad4bcd405c5348486

  • SHA1

    448c4042a27dc42db26fe1e8f818fd7f5868875b

  • SHA256

    a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

  • SHA512

    d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

  • SSDEEP

    3072:P0E93VChT34Sc+tO6b4QksbOlw+GjpbLnpfSb:PR

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 12 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:260
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:420
      • C:\Windows\system32\csrss.exe
        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
        1⤵
          PID:384
        • C:\Windows\system32\wininit.exe
          wininit.exe
          1⤵
            PID:372
            • C:\Windows\system32\lsass.exe
              C:\Windows\system32\lsass.exe
              2⤵
                PID:480
              • C:\Windows\system32\services.exe
                C:\Windows\system32\services.exe
                2⤵
                  PID:464
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    3⤵
                      PID:1084
                    • C:\Windows\system32\sppsvc.exe
                      C:\Windows\system32\sppsvc.exe
                      3⤵
                        PID:1680
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                        3⤵
                          PID:1052
                        • C:\Windows\system32\taskhost.exe
                          "taskhost.exe"
                          3⤵
                            PID:1104
                          • C:\Windows\System32\spoolsv.exe
                            C:\Windows\System32\spoolsv.exe
                            3⤵
                              PID:276
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:284
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:884
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:844
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                                    3⤵
                                      PID:808
                                    • C:\Windows\System32\svchost.exe
                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                      3⤵
                                        PID:748
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k RPCSS
                                        3⤵
                                          PID:664
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k DcomLaunch
                                          3⤵
                                            PID:584
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:488
                                        • C:\Windows\system32\csrss.exe
                                          %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                          1⤵
                                            PID:332
                                          • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                            wmiadap.exe /F /T /R
                                            1⤵
                                              PID:2036
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1216
                                                • C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe"
                                                  2⤵
                                                  • Suspicious use of SetThreadContext
                                                  • Suspicious use of SetWindowsHookEx
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:548
                                                  • C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe
                                                    C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe
                                                    3⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1696
                                                    • C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe
                                                      C:\Users\Admin\AppData\Local\Temp\a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac.exe
                                                      4⤵
                                                      • Adds policy Run key to start application
                                                      • Modifies Installed Components in the registry
                                                      • Loads dropped DLL
                                                      • Adds Run key to start application
                                                      • Drops file in Program Files directory
                                                      PID:1580
                                                      • C:\Program Files (x86)\Windowd UN\svchosty.exe
                                                        "C:\Program Files (x86)\Windowd UN\svchosty.exe"
                                                        5⤵
                                                        • Executes dropped EXE
                                                        • Suspicious use of SetThreadContext
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:956
                                                        • C:\Program Files (x86)\Windowd UN\svchosty.exe
                                                          "C:\Program Files (x86)\Windowd UN\svchosty.exe"
                                                          6⤵
                                                          • Executes dropped EXE
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          PID:620
                                                          • C:\Program Files (x86)\Windowd UN\svchosty.exe
                                                            "C:\Program Files (x86)\Windowd UN\svchosty.exe"
                                                            7⤵
                                                            • Executes dropped EXE
                                                            • Modifies Installed Components in the registry
                                                            • Drops file in Program Files directory
                                                            • Suspicious behavior: GetForegroundWindowSpam
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:1756
                                              • C:\Windows\system32\Dwm.exe
                                                "C:\Windows\system32\Dwm.exe"
                                                1⤵
                                                  PID:1184

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • C:\Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • C:\Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • C:\Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • C:\Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • \Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • \Program Files (x86)\Windowd UN\svchosty.exe

                                                  Filesize

                                                  404KB

                                                  MD5

                                                  49ab5274566c34cad4bcd405c5348486

                                                  SHA1

                                                  448c4042a27dc42db26fe1e8f818fd7f5868875b

                                                  SHA256

                                                  a37f825529e32e266da351c72866b5f8c6f93e08c2f51728bc467d9b778cd5ac

                                                  SHA512

                                                  d4de90bce42049119ad1ac3f848ba949a3d0813ab250b7d692c1550bf86c98ffe3ef19c115defcc7ce9610379821991516c6759e6865af21fbfcaf0a35e22ead

                                                • memory/260-84-0x0000000010410000-0x000000001041A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/620-496-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/620-451-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/620-310-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1580-295-0x0000000010580000-0x00000000105B6000-memory.dmp

                                                  Filesize

                                                  216KB

                                                • memory/1696-239-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-60-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-293-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-123-0x0000000010460000-0x000000001046A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-71-0x0000000000270000-0x000000000027A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-114-0x0000000010450000-0x000000001045A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-64-0x0000000000260000-0x000000000026A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-62-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-61-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-78-0x0000000010410000-0x000000001041A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-56-0x0000000000400000-0x0000000000428000-memory.dmp

                                                  Filesize

                                                  160KB

                                                • memory/1696-105-0x0000000010440000-0x000000001044A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-96-0x0000000010430000-0x000000001043A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1696-87-0x0000000010420000-0x000000001042A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1756-498-0x0000000010590000-0x00000000105C6000-memory.dmp

                                                  Filesize

                                                  216KB

                                                • memory/1756-499-0x0000000010590000-0x00000000105C6000-memory.dmp

                                                  Filesize

                                                  216KB