Overview

overview

10

Static

static

8 (1).exe

windows7_x64

10

8 (1).exe

windows10_x64

10

8 (10).exe

windows7_x64

10

8 (10).exe

windows10_x64

10

8 (11).exe

windows7_x64

10

8 (11).exe

windows10_x64

10

8 (12).exe

windows7_x64

10

8 (12).exe

windows10_x64

10

8 (13).exe

windows7_x64

10

8 (13).exe

windows10_x64

10

8 (14).exe

windows7_x64

10

8 (14).exe

windows10_x64

10

8 (15).exe

windows7_x64

10

8 (15).exe

windows10_x64

10

8 (16).exe

windows7_x64

10

8 (16).exe

windows10_x64

10

8 (17).exe

windows7_x64

10

8 (17).exe

windows10_x64

10

8 (18).exe

windows7_x64

10

8 (18).exe

windows10_x64

10

8 (19).exe

windows7_x64

10

8 (19).exe

windows10_x64

10

8 (2).exe

windows7_x64

10

8 (2).exe

windows10_x64

10

8 (20).exe

windows7_x64

10

8 (20).exe

windows10_x64

10

8 (21).exe

windows7_x64

10

8 (21).exe

windows10_x64

8 (22).exe

windows7_x64

10

8 (22).exe

windows10_x64

10

8 (23).exe

windows7_x64

10

8 (23).exe

windows10_x64

10

Resubmissions

13/08/2021, 10:16

210813-wpta271jdx 10

08/08/2021, 23:00

210808-fgs5g9pxfs 10

07/08/2021, 23:12

210807-g2jw1lmd4a 10

07/08/2021, 16:10

210807-51nhct4kfx 10

06/08/2021, 23:43

210806-gc2271nxwj 10

06/08/2021, 06:00

210806-f443x39x8a 10

05/08/2021, 17:08

210805-97y6banvvx 10

04/08/2021, 17:25

210804-hkxx2ntr8x 10

04/08/2021, 12:12

210804-rjbg4b4y7n 10

03/08/2021, 17:12

210803-r2h7ytjwqj 10

Analysis

  • max time kernel
    773s
  • max time network
    1806s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    07/08/2021, 16:10

Sharing

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General

  • Target

    8 (17).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Score
10/10
smokeloaderaspackv2backdoorpersistencetrojanupx

Malware Config

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

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • ASPack v2.12-2.42 18 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Executes dropped EXE 13 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Loads dropped DLL 52 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 2 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 1 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.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 20 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • 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:860
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {D4510174-62FF-4176-8B42-BFBBF3EA4FC8} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
          3⤵
            PID:1904
            • C:\Users\Admin\AppData\Roaming\ghjejcf
              C:\Users\Admin\AppData\Roaming\ghjejcf
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks SCSI registry key(s)
              • Suspicious behavior: MapViewOfSection
              PID:1620
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {FAA9E63C-82CE-4F3A-8EC1-74425D8C6816} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
            3⤵
              PID:548
              • C:\Users\Admin\AppData\Roaming\ghjejcf
                C:\Users\Admin\AppData\Roaming\ghjejcf
                4⤵
                • Executes dropped EXE
                PID:556
          • 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:1844
          • 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:812
        • C:\Users\Admin\AppData\Local\Temp\8 (17).exe
          "C:\Users\Admin\AppData\Local\Temp\8 (17).exe"
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1668
          • 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:2040
            • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\setup_install.exe
              "C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\setup_install.exe"
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1756
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c sonia_2.exe
                4⤵
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:816
                • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\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:364
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c sonia_1.exe
                4⤵
                • Loads dropped DLL
                PID:1616
                • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_1.exe
                  sonia_1.exe
                  5⤵
                    PID:1060
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_3.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:792
                  • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_3.exe
                    sonia_3.exe
                    5⤵
                    • Executes dropped EXE
                    PID:684
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c sonia_7.exe
                  4⤵
                    PID:1356
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c sonia_6.exe
                    4⤵
                    • Loads dropped DLL
                    PID:960
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c sonia_5.exe
                    4⤵
                      PID:924
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c sonia_4.exe
                      4⤵
                      • Loads dropped DLL
                      PID:536
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 412
                      4⤵
                      • Loads dropped DLL
                      • Program crash
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1708
              • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_4.exe
                sonia_4.exe
                1⤵
                • Executes dropped EXE
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:756
              • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_6.exe
                sonia_6.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Adds Run key to start application
                • Modifies system certificate store
                PID:1668
                • 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:112
                • 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:388
                • 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:992
                • 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⤵
                    PID:332
                • C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_1.exe
                  "C:\Users\Admin\AppData\Local\Temp\7zS8F7E9094\sonia_1.exe" -a
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1960
                • C:\Windows\system32\rUNdlL32.eXe
                  rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                  1⤵
                  • Process spawned unexpected child process
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:1060
                  • 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:2004

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • memory/364-160-0x0000000000400000-0x0000000000896000-memory.dmp

                  Filesize

                  4.6MB

                  Download

                • memory/364-159-0x0000000000250000-0x0000000000259000-memory.dmp

                  Filesize

                  36KB

                  Download

                • memory/556-203-0x0000000000400000-0x0000000000896000-memory.dmp

                  Filesize

                  4.6MB

                  Download

                • memory/756-152-0x000000001AED0000-0x000000001AED2000-memory.dmp

                  Filesize

                  8KB

                  Download

                • memory/756-134-0x0000000000810000-0x0000000000811000-memory.dmp

                  Filesize

                  4KB

                  Download

                • memory/812-186-0x0000000000060000-0x00000000000AE000-memory.dmp

                  Filesize

                  312KB

                  Download

                • memory/812-190-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

                  Filesize

                  8KB

                  Download

                • memory/812-188-0x0000000000260000-0x000000000027B000-memory.dmp

                  Filesize

                  108KB

                  Download

                • memory/812-189-0x0000000002FC0000-0x00000000030C6000-memory.dmp

                  Filesize

                  1.0MB

                  Download

                • memory/812-187-0x00000000003B0000-0x0000000000424000-memory.dmp

                  Filesize

                  464KB

                  Download

                • memory/860-183-0x0000000000BA0000-0x0000000000C11000-memory.dmp

                  Filesize

                  452KB

                  Download

                • memory/860-182-0x00000000009E0000-0x0000000000A2C000-memory.dmp

                  Filesize

                  304KB

                  Download

                • memory/1228-197-0x0000000002990000-0x00000000029A5000-memory.dmp

                  Filesize

                  84KB

                  Download

                • memory/1228-176-0x00000000039A0000-0x00000000039B5000-memory.dmp

                  Filesize

                  84KB

                  Download

                • memory/1228-206-0x00000000029F0000-0x0000000002A05000-memory.dmp

                  Filesize

                  84KB

                  Download

                • memory/1620-195-0x0000000000400000-0x0000000000896000-memory.dmp

                  Filesize

                  4.6MB

                  Download

                • memory/1668-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

                  Filesize

                  8KB

                  Download

                • memory/1708-167-0x0000000000220000-0x0000000000221000-memory.dmp

                  Filesize

                  4KB

                  Download

                • memory/1756-100-0x000000006B440000-0x000000006B4CF000-memory.dmp

                  Filesize

                  572KB

                  Download

                • memory/1756-92-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1756-94-0x000000006B280000-0x000000006B2A6000-memory.dmp

                  Filesize

                  152KB

                  Download

                • memory/1756-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

                  Filesize

                  572KB

                  Download

                • memory/1756-93-0x000000006B280000-0x000000006B2A6000-memory.dmp

                  Filesize

                  152KB

                  Download

                • memory/1756-96-0x0000000000400000-0x000000000051D000-memory.dmp

                  Filesize

                  1.1MB

                  Download

                • memory/1756-97-0x0000000000400000-0x000000000051D000-memory.dmp

                  Filesize

                  1.1MB

                  Download

                • memory/1756-95-0x0000000064940000-0x0000000064959000-memory.dmp

                  Filesize

                  100KB

                  Download

                • memory/1756-99-0x0000000064940000-0x0000000064959000-memory.dmp

                  Filesize

                  100KB

                  Download

                • memory/1756-90-0x0000000064940000-0x0000000064959000-memory.dmp

                  Filesize

                  100KB

                  Download

                • memory/1756-91-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                  Filesize

                  1.5MB

                  Download

                • memory/1756-98-0x0000000064940000-0x0000000064959000-memory.dmp

                  Filesize

                  100KB

                  Download

                • memory/1844-184-0x0000000000450000-0x00000000004C1000-memory.dmp

                  Filesize

                  452KB

                  Download

                • memory/2004-181-0x0000000000730000-0x000000000078D000-memory.dmp

                  Filesize

                  372KB

                  Download

                • memory/2004-180-0x00000000008E0000-0x00000000009E1000-memory.dmp

                  Filesize

                  1.0MB

                  Download