Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 12:30

General

  • Target
    file.exe
  • Size 286KB
  • Sample221106-ppgegadfgp
  • SHA256 8b13cf582ec7d31d519b0d1b2fb8b8fa2c25e2d21a0bc6d213800053b0f55a3a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 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 5 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 44 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4936
  • C:\Users\Admin\AppData\Local\Temp\4083.exe
    C:\Users\Admin\AppData\Local\Temp\4083.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Blocklisted process makes network request
      PID:812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 616
      2⤵
      • Program crash
      PID:3488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 932
      2⤵
      • Program crash
      PID:5096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 980
      2⤵
      • Program crash
      PID:1864
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      PID:2944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 1040
      2⤵
      • Program crash
      PID:4236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 1104
      2⤵
      • Program crash
      PID:3996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2812 -ip 2812
    1⤵
      PID:3888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2812 -ip 2812
      1⤵
        PID:1788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2812 -ip 2812
        1⤵
          PID:1184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2812 -ip 2812
          1⤵
            PID:3176
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2812 -ip 2812
            1⤵
              PID:1832

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  4083.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\4083.exe
                  • Size 1.3MB
                  • SHA256 0429f3ac99e51ffde42854521a0d95a6cd7759322d3b69695d9144f88ccb34c0
                  • MD5 SHA1 SHA512 SSDEEP

                  4083.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\4083.exe
                  • Size 1.3MB
                  • SHA256 0429f3ac99e51ffde42854521a0d95a6cd7759322d3b69695d9144f88ccb34c0
                  • MD5 SHA1 SHA512 SSDEEP

                  Wffwew.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\Wffwew.tmp
                  • Size 3.5MB
                  • SHA256 bcdf4c540c4289f81c98448d0a4482a96522fb767ab6015e76288afce148226a
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/812-177-0x0000000000780000-0x0000000000783000-memory.dmp

                  memory/812-175-0x0000000000760000-0x0000000000763000-memory.dmp

                  memory/812-184-0x00000000007F0000-0x00000000007F3000-memory.dmp

                  memory/812-183-0x00000000007E0000-0x00000000007E3000-memory.dmp

                  memory/812-182-0x00000000007D0000-0x00000000007D3000-memory.dmp

                  memory/812-181-0x00000000007C0000-0x00000000007C3000-memory.dmp

                  memory/812-180-0x00000000007B0000-0x00000000007B3000-memory.dmp

                  memory/812-179-0x00000000007A0000-0x00000000007A3000-memory.dmp

                  memory/812-178-0x0000000000790000-0x0000000000793000-memory.dmp

                  memory/812-186-0x0000000000810000-0x0000000000813000-memory.dmp

                  memory/812-176-0x0000000000770000-0x0000000000773000-memory.dmp

                  memory/812-185-0x0000000000800000-0x0000000000803000-memory.dmp

                  memory/812-174-0x0000000000750000-0x0000000000753000-memory.dmp

                  memory/812-172-0x0000000000730000-0x0000000000733000-memory.dmp

                  memory/812-173-0x0000000000740000-0x0000000000743000-memory.dmp

                  memory/812-170-0x0000000000710000-0x0000000000713000-memory.dmp

                  memory/812-171-0x0000000000720000-0x0000000000723000-memory.dmp

                  memory/812-168-0x00000000006F0000-0x00000000006F3000-memory.dmp

                  memory/812-169-0x0000000000700000-0x0000000000703000-memory.dmp

                  memory/812-188-0x0000000000810000-0x0000000000813000-memory.dmp

                  memory/2812-192-0x00000000032C0000-0x0000000003E20000-memory.dmp

                  memory/2812-212-0x0000000000400000-0x0000000000958000-memory.dmp

                  memory/2812-211-0x00000000032C0000-0x0000000003E20000-memory.dmp

                  memory/2812-189-0x0000000000400000-0x0000000000958000-memory.dmp

                  memory/2812-191-0x00000000032C0000-0x0000000003E20000-memory.dmp

                  memory/2812-162-0x0000000002514000-0x0000000002636000-memory.dmp

                  memory/2812-163-0x00000000027F0000-0x0000000002ABC000-memory.dmp

                  memory/2812-164-0x0000000000400000-0x0000000000958000-memory.dmp

                  memory/2812-165-0x0000000000400000-0x0000000000958000-memory.dmp

                  memory/2812-166-0x0000000000400000-0x0000000000958000-memory.dmp

                  memory/2812-193-0x00000000032C0000-0x0000000003E20000-memory.dmp

                  memory/2812-194-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-195-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-196-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-187-0x00000000027F0000-0x0000000002ABC000-memory.dmp

                  memory/2812-197-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-198-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-200-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-199-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2812-201-0x00000000040F0000-0x0000000004230000-memory.dmp

                  memory/2944-203-0x0000000003100000-0x0000000003C60000-memory.dmp

                  memory/2944-204-0x0000000000EF0000-0x0000000001930000-memory.dmp

                  memory/2944-205-0x0000000003D20000-0x0000000003E60000-memory.dmp

                  memory/2944-206-0x0000000003D20000-0x0000000003E60000-memory.dmp

                  memory/2944-207-0x0000000003100000-0x0000000003C60000-memory.dmp

                  memory/2944-208-0x0000000003D20000-0x0000000003E60000-memory.dmp

                  memory/2944-209-0x0000000003D20000-0x0000000003E60000-memory.dmp

                  memory/2944-210-0x0000000003100000-0x0000000003C60000-memory.dmp

                  memory/2948-150-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-144-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-155-0x00000000008E0000-0x00000000008F0000-memory.dmp

                  memory/2948-136-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-159-0x0000000002E10000-0x0000000002E20000-memory.dmp

                  memory/2948-137-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-160-0x0000000002E10000-0x0000000002E20000-memory.dmp

                  memory/2948-138-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-139-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-140-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-141-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-142-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-143-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-161-0x00000000008E0000-0x00000000008F0000-memory.dmp

                  memory/2948-145-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-146-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-147-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-148-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-149-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-151-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-152-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                  memory/2948-153-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

                  memory/2948-154-0x0000000002E10000-0x0000000002E20000-memory.dmp

                  memory/4936-135-0x0000000000400000-0x000000000084B000-memory.dmp

                  memory/4936-132-0x00000000008CB000-0x00000000008E1000-memory.dmp

                  memory/4936-133-0x0000000002440000-0x0000000002449000-memory.dmp

                  memory/4936-134-0x0000000000400000-0x000000000084B000-memory.dmp