Analysis

  • max time kernel
    5s
  • max time network
    10s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 17:51

General

  • Target

    file.exe

  • Size

    678KB

  • MD5

    6c81e39fd156891a6e8bbf3d8355e54b

  • SHA1

    3dba98dfcb96bed3f63e8d7524458127d1f8e877

  • SHA256

    2b3fbb77e5ed29f7ffbcb9a73cc1e467aed6447fcaf28a47d50f78c81fa17eaf

  • SHA512

    664bc397ce092bc555e4a0139607bf66993e5537d13e09c2f604bbbda4be081f85e2e0b4664e8525ecdb45509082d06ff2105808b6e3707930623718d0b3c51c

  • SSDEEP

    12288:cjY/CBAkfIulEPWZmmdtpTkUtBYDxnnz5/ikp3tW9zgOX4sRqG1sqAQO1:F/C6kXNlS5KkqBnqGqqAQO1

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • UPX packed file 2 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 1 IoCs

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

  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:1180
    • C:\Users\Admin\Pictures\7amyan9gsk51cDMKEzcFPBmb.exe
      "C:\Users\Admin\Pictures\7amyan9gsk51cDMKEzcFPBmb.exe"
      2⤵
        PID:860
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          3⤵
            PID:1564
          • C:\Users\Admin\Pictures\7amyan9gsk51cDMKEzcFPBmb.exe
            "C:\Users\Admin\Pictures\7amyan9gsk51cDMKEzcFPBmb.exe"
            3⤵
              PID:4236
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell -nologo -noprofile
                4⤵
                  PID:1820
                • C:\Windows\system32\cmd.exe
                  C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
                  4⤵
                    PID:4380
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -nologo -noprofile
                    4⤵
                      PID:2160
                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                      powershell -nologo -noprofile
                      4⤵
                        PID:2792
                      • C:\Windows\rss\csrss.exe
                        C:\Windows\rss\csrss.exe
                        4⤵
                          PID:544
                          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                            powershell -nologo -noprofile
                            5⤵
                              PID:4452
                            • C:\Windows\SYSTEM32\schtasks.exe
                              schtasks /delete /tn ScheduledUpdate /f
                              5⤵
                                PID:2792
                              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                powershell -nologo -noprofile
                                5⤵
                                  PID:2152
                                • C:\Windows\SYSTEM32\schtasks.exe
                                  schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                                  5⤵
                                  • Creates scheduled task(s)
                                  PID:3480
                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                  powershell -nologo -noprofile
                                  5⤵
                                    PID:4052
                                  • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
                                    C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
                                    5⤵
                                      PID:2160
                                    • C:\Windows\SYSTEM32\schtasks.exe
                                      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                                      5⤵
                                      • Creates scheduled task(s)
                                      PID:1308
                                    • C:\Windows\windefender.exe
                                      "C:\Windows\windefender.exe"
                                      5⤵
                                        PID:1780
                                        • C:\Windows\SysWOW64\cmd.exe
                                          cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                                          6⤵
                                            PID:4412
                                            • C:\Windows\SysWOW64\sc.exe
                                              sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                                              7⤵
                                              • Launches sc.exe
                                              PID:4116
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 928
                                      3⤵
                                      • Program crash
                                      PID:4672
                                  • C:\Users\Admin\Pictures\wFSvDtzag1hHgwVfDuWPHKbI.exe
                                    "C:\Users\Admin\Pictures\wFSvDtzag1hHgwVfDuWPHKbI.exe"
                                    2⤵
                                      PID:4348
                                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                        powershell -nologo -noprofile
                                        3⤵
                                          PID:2912
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 624
                                          3⤵
                                          • Program crash
                                          PID:1128
                                        • C:\Users\Admin\Pictures\wFSvDtzag1hHgwVfDuWPHKbI.exe
                                          "C:\Users\Admin\Pictures\wFSvDtzag1hHgwVfDuWPHKbI.exe"
                                          3⤵
                                            PID:732
                                            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                              powershell -nologo -noprofile
                                              4⤵
                                                PID:3244
                                              • C:\Windows\system32\cmd.exe
                                                C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
                                                4⤵
                                                  PID:2904
                                                  • C:\Windows\system32\netsh.exe
                                                    netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
                                                    5⤵
                                                    • Modifies Windows Firewall
                                                    PID:1772
                                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                  powershell -nologo -noprofile
                                                  4⤵
                                                    PID:1108
                                                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                    powershell -nologo -noprofile
                                                    4⤵
                                                      PID:4028
                                                • C:\Users\Admin\Pictures\1R4DyXA0EkvTe2GTH2Q0Ljqh.exe
                                                  "C:\Users\Admin\Pictures\1R4DyXA0EkvTe2GTH2Q0Ljqh.exe"
                                                  2⤵
                                                    PID:4536
                                                • C:\Users\Admin\AppData\Local\Temp\file.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\file.exe"
                                                  1⤵
                                                  • Suspicious use of SetThreadContext
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2392
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 860 -ip 860
                                                  1⤵
                                                    PID:2784
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4348 -ip 4348
                                                    1⤵
                                                      PID:2636
                                                    • C:\Windows\system32\netsh.exe
                                                      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
                                                      1⤵
                                                      • Modifies Windows Firewall
                                                      PID:4888
                                                    • C:\Windows\windefender.exe
                                                      C:\Windows\windefender.exe
                                                      1⤵
                                                        PID:4632

                                                      Network

                                                            MITRE ATT&CK Enterprise v15

                                                            Replay Monitor

                                                            Loading Replay Monitor...

                                                            Downloads

                                                            • memory/544-441-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-715-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-422-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-431-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-433-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-435-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-437-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-439-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-713-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-711-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/544-443-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/732-339-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/732-162-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/732-161-0x0000000002E10000-0x00000000036FB000-memory.dmp

                                                              Filesize

                                                              8.9MB

                                                            • memory/732-160-0x0000000002A10000-0x0000000002E0B000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/860-40-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/860-39-0x0000000002F00000-0x00000000037EB000-memory.dmp

                                                              Filesize

                                                              8.9MB

                                                            • memory/860-38-0x0000000002B00000-0x0000000002EFA000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/860-122-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/860-93-0x0000000002B00000-0x0000000002EFA000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/1180-4-0x00000000055E0000-0x00000000055F0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/1180-3-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/1180-1-0x0000000000400000-0x0000000000408000-memory.dmp

                                                              Filesize

                                                              32KB

                                                            • memory/1180-77-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/1564-73-0x0000000008120000-0x000000000879A000-memory.dmp

                                                              Filesize

                                                              6.5MB

                                                            • memory/1564-60-0x00000000067A0000-0x00000000067EC000-memory.dmp

                                                              Filesize

                                                              304KB

                                                            • memory/1564-41-0x0000000003130000-0x0000000003166000-memory.dmp

                                                              Filesize

                                                              216KB

                                                            • memory/1564-80-0x0000000007C70000-0x0000000007CA2000-memory.dmp

                                                              Filesize

                                                              200KB

                                                            • memory/1564-82-0x000000006F580000-0x000000006F8D4000-memory.dmp

                                                              Filesize

                                                              3.3MB

                                                            • memory/1564-94-0x00000000030E0000-0x00000000030F0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/1564-96-0x0000000007DC0000-0x0000000007DCA000-memory.dmp

                                                              Filesize

                                                              40KB

                                                            • memory/1564-95-0x0000000007CD0000-0x0000000007D73000-memory.dmp

                                                              Filesize

                                                              652KB

                                                            • memory/1564-43-0x0000000005820000-0x0000000005E48000-memory.dmp

                                                              Filesize

                                                              6.2MB

                                                            • memory/1564-98-0x0000000007E80000-0x0000000007F16000-memory.dmp

                                                              Filesize

                                                              600KB

                                                            • memory/1564-45-0x00000000030E0000-0x00000000030F0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/1564-110-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

                                                              Filesize

                                                              68KB

                                                            • memory/1564-47-0x0000000005F20000-0x0000000005F86000-memory.dmp

                                                              Filesize

                                                              408KB

                                                            • memory/1564-58-0x0000000006230000-0x0000000006584000-memory.dmp

                                                              Filesize

                                                              3.3MB

                                                            • memory/1564-92-0x0000000007CB0000-0x0000000007CCE000-memory.dmp

                                                              Filesize

                                                              120KB

                                                            • memory/1564-81-0x000000006F530000-0x000000006F57C000-memory.dmp

                                                              Filesize

                                                              304KB

                                                            • memory/1564-111-0x0000000007E20000-0x0000000007E2E000-memory.dmp

                                                              Filesize

                                                              56KB

                                                            • memory/1564-112-0x0000000007E30000-0x0000000007E44000-memory.dmp

                                                              Filesize

                                                              80KB

                                                            • memory/1564-113-0x0000000007F20000-0x0000000007F3A000-memory.dmp

                                                              Filesize

                                                              104KB

                                                            • memory/1564-114-0x0000000007E70000-0x0000000007E78000-memory.dmp

                                                              Filesize

                                                              32KB

                                                            • memory/1564-117-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/1564-48-0x00000000060C0000-0x0000000006126000-memory.dmp

                                                              Filesize

                                                              408KB

                                                            • memory/1564-74-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

                                                              Filesize

                                                              104KB

                                                            • memory/1564-46-0x0000000005E80000-0x0000000005EA2000-memory.dmp

                                                              Filesize

                                                              136KB

                                                            • memory/1564-59-0x00000000066F0000-0x000000000670E000-memory.dmp

                                                              Filesize

                                                              120KB

                                                            • memory/1564-44-0x00000000030E0000-0x00000000030F0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/1564-42-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/1564-61-0x0000000006AE0000-0x0000000006B24000-memory.dmp

                                                              Filesize

                                                              272KB

                                                            • memory/1564-72-0x0000000007A20000-0x0000000007A96000-memory.dmp

                                                              Filesize

                                                              472KB

                                                            • memory/1780-429-0x0000000000400000-0x00000000008DF000-memory.dmp

                                                              Filesize

                                                              4.9MB

                                                            • memory/1820-151-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/1820-150-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/1820-163-0x000000006F530000-0x000000006F57C000-memory.dmp

                                                              Filesize

                                                              304KB

                                                            • memory/1820-165-0x000000007F5C0000-0x000000007F5D0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/2392-0-0x00007FF7EBE10000-0x00007FF7EC01B000-memory.dmp

                                                              Filesize

                                                              2.0MB

                                                            • memory/2392-2-0x00007FF7EBE10000-0x00007FF7EC01B000-memory.dmp

                                                              Filesize

                                                              2.0MB

                                                            • memory/2912-127-0x000000006F580000-0x000000006F8D4000-memory.dmp

                                                              Filesize

                                                              3.3MB

                                                            • memory/2912-108-0x0000000005120000-0x0000000005130000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/2912-126-0x000000006F530000-0x000000006F57C000-memory.dmp

                                                              Filesize

                                                              304KB

                                                            • memory/2912-137-0x0000000007C60000-0x0000000007D03000-memory.dmp

                                                              Filesize

                                                              652KB

                                                            • memory/2912-139-0x0000000007D60000-0x0000000007D71000-memory.dmp

                                                              Filesize

                                                              68KB

                                                            • memory/2912-156-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/2912-152-0x0000000007DC0000-0x0000000007DD4000-memory.dmp

                                                              Filesize

                                                              80KB

                                                            • memory/2912-97-0x0000000074820000-0x0000000074FD0000-memory.dmp

                                                              Filesize

                                                              7.7MB

                                                            • memory/2912-138-0x0000000005120000-0x0000000005130000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/2912-109-0x0000000005120000-0x0000000005130000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/2912-125-0x000000007FDD0000-0x000000007FDE0000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/4236-320-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/4236-123-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/4236-164-0x0000000002980000-0x0000000002D7C000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/4236-120-0x0000000002980000-0x0000000002D7C000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/4348-158-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/4348-124-0x0000000002A70000-0x0000000002E70000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/4348-76-0x0000000002A70000-0x0000000002E70000-memory.dmp

                                                              Filesize

                                                              4.0MB

                                                            • memory/4348-78-0x0000000002E70000-0x000000000375B000-memory.dmp

                                                              Filesize

                                                              8.9MB

                                                            • memory/4348-140-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/4348-79-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                                              Filesize

                                                              9.1MB

                                                            • memory/4536-470-0x0000000004210000-0x0000000004E38000-memory.dmp

                                                              Filesize

                                                              12.2MB

                                                            • memory/4536-474-0x0000000004E40000-0x0000000004E7A000-memory.dmp

                                                              Filesize

                                                              232KB

                                                            • memory/4536-465-0x0000000010000000-0x000000001001B000-memory.dmp

                                                              Filesize

                                                              108KB

                                                            • memory/4632-432-0x0000000000400000-0x00000000008DF000-memory.dmp

                                                              Filesize

                                                              4.9MB

                                                            • memory/4632-436-0x0000000000400000-0x00000000008DF000-memory.dmp

                                                              Filesize

                                                              4.9MB