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Analysis

  • max time kernel
    1488s
  • max time network
    1844s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    04/08/2021, 12:12

General

  • Target

    8 (23).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

WW

C2

193.56.146.60:51431

Extracted

Family

redline

Botnet

SewPalpadin

C2

185.215.113.114:8887

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 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 4 IoCs
  • Registers COM server for autorun 1 TTPs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 17 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 25 IoCs
  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 7 IoCs

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

  • Drops file in System32 directory 7 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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.

  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 45 IoCs
  • Modifies system certificate store 2 TTPs 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:876
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {B4177B44-D854-4D4D-8106-2CA603333160} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
      2⤵
        PID:2744
        • C:\Users\Admin\AppData\Roaming\guiejwr
          C:\Users\Admin\AppData\Roaming\guiejwr
          3⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: MapViewOfSection
          PID:2960
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {AA878E6C-CBC3-4950-8802-348B9291131C} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
        2⤵
          PID:1548
          • C:\Users\Admin\AppData\Roaming\guiejwr
            C:\Users\Admin\AppData\Roaming\guiejwr
            3⤵
            • Executes dropped EXE
            PID:1192
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        1⤵
          PID:472
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k SystemNetworkService
            2⤵
            • Checks processor information in registry
            • Modifies data under HKEY_USERS
            • Modifies registry class
            PID:1396
          • 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:2420
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k SystemNetworkService
            2⤵
              PID:2544
          • C:\Users\Admin\AppData\Local\Temp\8 (23).exe
            "C:\Users\Admin\AppData\Local\Temp\8 (23).exe"
            1⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:516
            • 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:1648
              • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\setup_install.exe
                "C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\setup_install.exe"
                3⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:1740
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_1.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1920
                  • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_1.exe
                    sonia_1.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1336
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_2.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:584
                  • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\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:1160
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_3.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1952
                  • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_3.exe
                    sonia_3.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Modifies system certificate store
                    PID:364
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 952
                      6⤵
                      • Loads dropped DLL
                      • Program crash
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2068
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_4.exe
                  4⤵
                  • Loads dropped DLL
                  PID:944
                  • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_4.exe
                    sonia_4.exe
                    5⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1312
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_7.exe
                  4⤵
                    PID:1480
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c sonia_6.exe
                    4⤵
                    • Loads dropped DLL
                    PID:1156
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c sonia_5.exe
                    4⤵
                    • Loads dropped DLL
                    PID:976
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 412
                    4⤵
                    • Loads dropped DLL
                    • Program crash
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: GetForegroundWindowSpam
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1060
            • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_1.exe
              "C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_1.exe" -a
              1⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:616
            • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_6.exe
              sonia_6.exe
              1⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Modifies system certificate store
              PID:1880
              • 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
                2⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:1336
              • 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
                2⤵
                • Executes dropped EXE
                PID:2056
              • 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
                2⤵
                • Executes dropped EXE
                PID:2620
            • C:\Users\Admin\AppData\Local\Temp\7zS0764DB45\sonia_5.exe
              sonia_5.exe
              1⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              PID:1996
              • C:\Users\Admin\Documents\7GbQJK9Y2z3rWACy5RPZJ8W7.exe
                "C:\Users\Admin\Documents\7GbQJK9Y2z3rWACy5RPZJ8W7.exe"
                2⤵
                • Executes dropped EXE
                PID:2108
              • C:\Users\Admin\Documents\kn4PypJLY5JrZbnGfsMx49su.exe
                "C:\Users\Admin\Documents\kn4PypJLY5JrZbnGfsMx49su.exe"
                2⤵
                • Executes dropped EXE
                PID:2152
              • C:\Users\Admin\Documents\lxUd4nJhAUOOOtz2JElHCgSU.exe
                "C:\Users\Admin\Documents\lxUd4nJhAUOOOtz2JElHCgSU.exe"
                2⤵
                • Executes dropped EXE
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:2140
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 1372
                  3⤵
                  • Program crash
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2508
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /c taskkill /f /im chrome.exe
                  3⤵
                    PID:2716
                    • C:\Windows\SysWOW64\taskkill.exe
                      taskkill /f /im chrome.exe
                      4⤵
                      • Kills process with taskkill
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2896
                • C:\Users\Admin\Documents\yFd_TZUAIAu0X3O1IGxdoRhv.exe
                  "C:\Users\Admin\Documents\yFd_TZUAIAu0X3O1IGxdoRhv.exe"
                  2⤵
                    PID:2120
                  • C:\Users\Admin\Documents\Wv5UdW7pUEONG5UFpDw5Dzbe.exe
                    "C:\Users\Admin\Documents\Wv5UdW7pUEONG5UFpDw5Dzbe.exe"
                    2⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    PID:2176
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\2879811983.exe"
                      3⤵
                        PID:1664
                        • C:\Users\Admin\AppData\Local\Temp\2879811983.exe
                          "C:\Users\Admin\AppData\Local\Temp\2879811983.exe"
                          4⤵
                          • Executes dropped EXE
                          PID:1596
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c taskkill /im "Wv5UdW7pUEONG5UFpDw5Dzbe.exe" /f & erase "C:\Users\Admin\Documents\Wv5UdW7pUEONG5UFpDw5Dzbe.exe" & exit
                        3⤵
                          PID:1956
                          • C:\Windows\SysWOW64\taskkill.exe
                            taskkill /im "Wv5UdW7pUEONG5UFpDw5Dzbe.exe" /f
                            4⤵
                            • Kills process with taskkill
                            PID:2676
                      • C:\Users\Admin\Documents\pO3qghyEA2DFecYesFh1PCGj.exe
                        "C:\Users\Admin\Documents\pO3qghyEA2DFecYesFh1PCGj.exe"
                        2⤵
                        • Executes dropped EXE
                        • Modifies registry class
                        PID:2192
                      • C:\Users\Admin\Documents\JQJowcVQoqzUvQIWAXcMvHkZ.exe
                        "C:\Users\Admin\Documents\JQJowcVQoqzUvQIWAXcMvHkZ.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:2468
                      • C:\Users\Admin\Documents\zbCXpNdSHTXIPI4tJXSjAYtd.exe
                        "C:\Users\Admin\Documents\zbCXpNdSHTXIPI4tJXSjAYtd.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:2488
                      • C:\Users\Admin\Documents\7VQlFvjnexdoSSHMCq5_jxHF.exe
                        "C:\Users\Admin\Documents\7VQlFvjnexdoSSHMCq5_jxHF.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:2480
                      • C:\Users\Admin\Documents\9IxvDqvgK1PJEIjxpbgQBane.exe
                        "C:\Users\Admin\Documents\9IxvDqvgK1PJEIjxpbgQBane.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:2588
                    • C:\Windows\system32\rUNdlL32.eXe
                      rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                      1⤵
                      • Process spawned unexpected child process
                      PID:1264
                      • C:\Windows\SysWOW64\rundll32.exe
                        rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                        2⤵
                        • Loads dropped DLL
                        • Modifies registry class
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2032
                    • C:\Users\Admin\AppData\Local\Temp\76D5.exe
                      C:\Users\Admin\AppData\Local\Temp\76D5.exe
                      1⤵
                      • Executes dropped EXE
                      PID:2804

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/364-177-0x0000000000DB0000-0x0000000000E4D000-memory.dmp

                      Filesize

                      628KB

                    • memory/364-178-0x0000000000400000-0x00000000008F2000-memory.dmp

                      Filesize

                      4.9MB

                    • memory/516-59-0x0000000075051000-0x0000000075053000-memory.dmp

                      Filesize

                      8KB

                    • memory/876-182-0x0000000000830000-0x000000000087C000-memory.dmp

                      Filesize

                      304KB

                    • memory/876-183-0x0000000001000000-0x0000000001071000-memory.dmp

                      Filesize

                      452KB

                    • memory/1060-179-0x0000000000700000-0x0000000000760000-memory.dmp

                      Filesize

                      384KB

                    • memory/1160-166-0x0000000000240000-0x0000000000249000-memory.dmp

                      Filesize

                      36KB

                    • memory/1160-167-0x0000000000400000-0x0000000000896000-memory.dmp

                      Filesize

                      4.6MB

                    • memory/1200-187-0x0000000002F20000-0x0000000002F35000-memory.dmp

                      Filesize

                      84KB

                    • memory/1312-164-0x000000001B230000-0x000000001B232000-memory.dmp

                      Filesize

                      8KB

                    • memory/1312-144-0x00000000002E0000-0x00000000002E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1396-184-0x00000000004B0000-0x0000000000521000-memory.dmp

                      Filesize

                      452KB

                    • memory/1740-91-0x0000000000400000-0x000000000051D000-memory.dmp

                      Filesize

                      1.1MB

                    • memory/1740-142-0x0000000000400000-0x000000000051D000-memory.dmp

                      Filesize

                      1.1MB

                    • memory/1740-99-0x0000000064940000-0x0000000064959000-memory.dmp

                      Filesize

                      100KB

                    • memory/1740-127-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                      Filesize

                      1.5MB

                    • memory/1740-101-0x0000000064940000-0x0000000064959000-memory.dmp

                      Filesize

                      100KB

                    • memory/1740-88-0x000000006B440000-0x000000006B4CF000-memory.dmp

                      Filesize

                      572KB

                    • memory/1740-89-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                      Filesize

                      1.5MB

                    • memory/1740-118-0x000000006B440000-0x000000006B4CF000-memory.dmp

                      Filesize

                      572KB

                    • memory/1740-90-0x000000006B280000-0x000000006B2A6000-memory.dmp

                      Filesize

                      152KB

                    • memory/1740-136-0x000000006B280000-0x000000006B2A6000-memory.dmp

                      Filesize

                      152KB

                    • memory/1740-108-0x0000000064940000-0x0000000064959000-memory.dmp

                      Filesize

                      100KB

                    • memory/1740-104-0x0000000064940000-0x0000000064959000-memory.dmp

                      Filesize

                      100KB

                    • memory/2032-180-0x00000000008B0000-0x00000000009B1000-memory.dmp

                      Filesize

                      1.0MB

                    • memory/2032-181-0x00000000002D0000-0x000000000032D000-memory.dmp

                      Filesize

                      372KB

                    • memory/2068-199-0x0000000000360000-0x0000000000361000-memory.dmp

                      Filesize

                      4KB

                    • memory/2108-223-0x0000000004730000-0x000000000474B000-memory.dmp

                      Filesize

                      108KB

                    • memory/2108-228-0x0000000004950000-0x000000000496A000-memory.dmp

                      Filesize

                      104KB

                    • memory/2152-244-0x0000000000B60000-0x0000000000B61000-memory.dmp

                      Filesize

                      4KB

                    • memory/2192-205-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

                      Filesize

                      8KB

                    • memory/2488-214-0x0000000000C70000-0x0000000000C71000-memory.dmp

                      Filesize

                      4KB

                    • memory/2804-227-0x00000000044B0000-0x00000000044CB000-memory.dmp

                      Filesize

                      108KB

                    • memory/2804-235-0x0000000004550000-0x0000000004569000-memory.dmp

                      Filesize

                      100KB