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Analysis

  • max time kernel
    151s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20-07-2021 12:41

General

  • Target

    8 (21).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

AniNEW

C2

akedauiver.xyz:80

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • redlinestealer 3 IoCs

    RedlineStealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 24 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 64 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 30 IoCs
  • Modifies registry class 18 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:872
  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:864
    • C:\Users\Admin\AppData\Local\Temp\8 (21).exe
      "C:\Users\Admin\AppData\Local\Temp\8 (21).exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:784
      • 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:1844
        • C:\Users\Admin\AppData\Local\Temp\7zS43787464\setup_install.exe
          "C:\Users\Admin\AppData\Local\Temp\7zS43787464\setup_install.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1324
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_2.exe
            4⤵
            • Loads dropped DLL
            PID:1104
            • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_2.exe
              sonia_2.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks SCSI registry key(s)
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              PID:1520
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_1.exe
            4⤵
            • Loads dropped DLL
            PID:1312
            • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_1.exe
              sonia_1.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_3.exe
            4⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:848
            • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_3.exe
              sonia_3.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:1528
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /im sonia_3.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_3.exe" & del C:\ProgramData\*.dll & exit
                6⤵
                  PID:296
                  • C:\Windows\SysWOW64\taskkill.exe
                    taskkill /im sonia_3.exe /f
                    7⤵
                    • Kills process with taskkill
                    PID:1508
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 6
                    7⤵
                    • Delays execution with timeout.exe
                    PID:904
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_5.exe
              4⤵
                PID:1796
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c sonia_4.exe
                4⤵
                • Loads dropped DLL
                PID:1984
                • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_4.exe
                  sonia_4.exe
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1556
                  • C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe
                    "C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe"
                    6⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:2000
                    • C:\Users\Admin\AppData\Local\Temp\jhuuee.exe
                      "C:\Users\Admin\AppData\Local\Temp\jhuuee.exe"
                      7⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Modifies system certificate store
                      PID:924
                      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                        8⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:916
                      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                        8⤵
                        • Executes dropped EXE
                        PID:1532
                    • C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                      "C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe"
                      7⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Suspicious use of SetThreadContext
                      PID:1072
                      • C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                        C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                        8⤵
                        • Executes dropped EXE
                        PID:1912
                      • C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                        C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                        8⤵
                        • Executes dropped EXE
                        PID:1844
                    • C:\Users\Admin\AppData\Local\Temp\setup 326.exe
                      "C:\Users\Admin\AppData\Local\Temp\setup 326.exe"
                      7⤵
                      • Executes dropped EXE
                      PID:1644
                    • C:\Users\Admin\AppData\Local\Temp\setup.exe
                      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
                      7⤵
                      • Executes dropped EXE
                      PID:524
                    • C:\Users\Admin\AppData\Local\Temp\zhangd.exe
                      "C:\Users\Admin\AppData\Local\Temp\zhangd.exe"
                      7⤵
                      • Executes dropped EXE
                      PID:1776
                      • C:\Users\Admin\AppData\Local\Temp\zhangd.exe
                        "C:\Users\Admin\AppData\Local\Temp\zhangd.exe" -a
                        8⤵
                        • Executes dropped EXE
                        PID:1684
                    • C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe
                      "C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe"
                      7⤵
                      • Executes dropped EXE
                      PID:912
                      • C:\Windows\system32\WerFault.exe
                        C:\Windows\system32\WerFault.exe -u -p 912 -s 668
                        8⤵
                        • Program crash
                        • Suspicious behavior: GetForegroundWindowSpam
                        PID:1280
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c sonia_7.exe
                4⤵
                  PID:1560
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_6.exe
                  4⤵
                  • Loads dropped DLL
                  PID:868
                  • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_6.exe
                    sonia_6.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Adds Run key to start application
                    PID:1964
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:556
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1552
          • C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_1.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS43787464\sonia_1.exe" -a
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:624
          • C:\Windows\SysWOW64\rundll32.exe
            rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
            1⤵
            • Loads dropped DLL
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
          • C:\Windows\system32\rUNdlL32.eXe
            rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
            1⤵
            • Process spawned unexpected child process
            PID:2000
          • C:\Windows\system32\rUNdlL32.eXe
            rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
            1⤵
            • Process spawned unexpected child process
            PID:1640
            • C:\Windows\SysWOW64\rundll32.exe
              rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
              2⤵
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1468
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:1508
            • C:\Users\Admin\AppData\Local\Temp\A11F.exe
              C:\Users\Admin\AppData\Local\Temp\A11F.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:1016
              • C:\Users\Admin\AppData\Local\Temp\A11F.exe
                C:\Users\Admin\AppData\Local\Temp\A11F.exe
                2⤵
                • Executes dropped EXE
                PID:1772
                • C:\Windows\SysWOW64\icacls.exe
                  icacls "C:\Users\Admin\AppData\Local\f6638837-8c9b-4b62-903d-850cb0d14c02" /deny *S-1-1-0:(OI)(CI)(DE,DC)
                  3⤵
                  • Modifies file permissions
                  PID:1592

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/524-216-0x0000000000400000-0x00000000009BE000-memory.dmp

              Filesize

              5.7MB

            • memory/524-215-0x00000000002D0000-0x00000000002FE000-memory.dmp

              Filesize

              184KB

            • memory/784-60-0x0000000075211000-0x0000000075213000-memory.dmp

              Filesize

              8KB

            • memory/864-236-0x0000000003180000-0x0000000003286000-memory.dmp

              Filesize

              1.0MB

            • memory/864-178-0x0000000000360000-0x00000000003D1000-memory.dmp

              Filesize

              452KB

            • memory/864-235-0x0000000001FA0000-0x0000000001FBB000-memory.dmp

              Filesize

              108KB

            • memory/872-213-0x0000000001000000-0x000000000104C000-memory.dmp

              Filesize

              304KB

            • memory/872-214-0x00000000021C0000-0x0000000002231000-memory.dmp

              Filesize

              452KB

            • memory/872-177-0x00000000015E0000-0x0000000001651000-memory.dmp

              Filesize

              452KB

            • memory/872-176-0x0000000000A10000-0x0000000000A5C000-memory.dmp

              Filesize

              304KB

            • memory/912-204-0x000000013FEF0000-0x000000013FEF1000-memory.dmp

              Filesize

              4KB

            • memory/1016-241-0x0000000000B90000-0x0000000000CAB000-memory.dmp

              Filesize

              1.1MB

            • memory/1072-210-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

              Filesize

              4KB

            • memory/1072-193-0x0000000000C40000-0x0000000000C41000-memory.dmp

              Filesize

              4KB

            • memory/1180-185-0x0000000003BD0000-0x0000000003BE5000-memory.dmp

              Filesize

              84KB

            • memory/1280-227-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

              Filesize

              4KB

            • memory/1280-224-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

              Filesize

              8KB

            • memory/1324-100-0x0000000000400000-0x000000000051D000-memory.dmp

              Filesize

              1.1MB

            • memory/1324-97-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/1324-94-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/1324-98-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/1324-92-0x0000000000400000-0x000000000051D000-memory.dmp

              Filesize

              1.1MB

            • memory/1324-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

              Filesize

              572KB

            • memory/1324-96-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/1324-90-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              Filesize

              1.5MB

            • memory/1324-99-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/1324-91-0x000000006B280000-0x000000006B2A6000-memory.dmp

              Filesize

              152KB

            • memory/1324-95-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/1324-93-0x0000000064940000-0x0000000064959000-memory.dmp

              Filesize

              100KB

            • memory/1424-174-0x0000000000B70000-0x0000000000C71000-memory.dmp

              Filesize

              1.0MB

            • memory/1424-175-0x0000000000260000-0x00000000002BD000-memory.dmp

              Filesize

              372KB

            • memory/1468-211-0x00000000004B0000-0x00000000005B1000-memory.dmp

              Filesize

              1.0MB

            • memory/1468-212-0x0000000000270000-0x00000000002CD000-memory.dmp

              Filesize

              372KB

            • memory/1520-163-0x0000000000250000-0x0000000000259000-memory.dmp

              Filesize

              36KB

            • memory/1520-164-0x0000000000400000-0x0000000000896000-memory.dmp

              Filesize

              4.6MB

            • memory/1528-160-0x00000000002C0000-0x000000000035D000-memory.dmp

              Filesize

              628KB

            • memory/1528-161-0x0000000000400000-0x00000000008F2000-memory.dmp

              Filesize

              4.9MB

            • memory/1556-136-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

              Filesize

              4KB

            • memory/1556-153-0x000000001A7E0000-0x000000001A7E2000-memory.dmp

              Filesize

              8KB

            • memory/1772-242-0x0000000000400000-0x0000000000537000-memory.dmp

              Filesize

              1.2MB

            • memory/1772-238-0x0000000000400000-0x0000000000537000-memory.dmp

              Filesize

              1.2MB

            • memory/1844-233-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

              Filesize

              4KB

            • memory/1844-231-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB

            • memory/1844-228-0x0000000000400000-0x000000000041E000-memory.dmp

              Filesize

              120KB

            • memory/2000-186-0x00000000000D0000-0x00000000000D1000-memory.dmp

              Filesize

              4KB