Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2022 21:56

General

  • Target

    b8f9bcf94da3070b449eb9965aaa953ddf57e84f299a0b4f3c3e565cfb0a9827.exe

  • Size

    214KB

  • MD5

    168f9418034bd4ed5728657910737ff4

  • SHA1

    7511894928184597bfb51851f5e74a43cfd240c9

  • SHA256

    b8f9bcf94da3070b449eb9965aaa953ddf57e84f299a0b4f3c3e565cfb0a9827

  • SHA512

    3c647d08bd4c38e3877074003ac770d114d84d30ea551100700c2f8db7c233871e817d4d7b6e1c2e1352a6e6271cb7d3b850cd2da0904644cd2365ae79e94f8c

  • SSDEEP

    3072:GXlg1LFkzHV5RZDHsjsEr3vglr0uVFyTZEhBoPQW67b/ASU3NHCDml:4KLFkXDHhELEFyT4GRqYZ9Ca

Malware Config

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 30 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 19 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 30 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 18 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8f9bcf94da3070b449eb9965aaa953ddf57e84f299a0b4f3c3e565cfb0a9827.exe
    "C:\Users\Admin\AppData\Local\Temp\b8f9bcf94da3070b449eb9965aaa953ddf57e84f299a0b4f3c3e565cfb0a9827.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4984
  • C:\Users\Admin\AppData\Local\Temp\FDE.exe
    C:\Users\Admin\AppData\Local\Temp\FDE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp",Wufaiiuuye
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:4804
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 14100
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:2052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 556
      2⤵
      • Program crash
      PID:376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4104 -ip 4104
    1⤵
      PID:4756
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2920

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      System Information Discovery

      3
      T1082

      Query Registry

      2
      T1012

      Peripheral Device Discovery

      1
      T1120

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\FDE.exe
        Filesize

        1.1MB

        MD5

        d8e93d5e75cd618cc4c222b9ba8be6ae

        SHA1

        6ef66967ce4f828fb3183a61daff35e4a487b3d7

        SHA256

        640b8b422c17a4c594c544276f365c4a66a400d94d21ebd0591c0081b5095f0a

        SHA512

        6ba65c2c63234e404902470d0037ec5806d159d6044acdb04f30ad9ae0af1588b524f81f1adbcf97dde6ec4efc9807ef18ca5f459744cf86a17477240ad4dbe7

      • C:\Users\Admin\AppData\Local\Temp\FDE.exe
        Filesize

        1.1MB

        MD5

        d8e93d5e75cd618cc4c222b9ba8be6ae

        SHA1

        6ef66967ce4f828fb3183a61daff35e4a487b3d7

        SHA256

        640b8b422c17a4c594c544276f365c4a66a400d94d21ebd0591c0081b5095f0a

        SHA512

        6ba65c2c63234e404902470d0037ec5806d159d6044acdb04f30ad9ae0af1588b524f81f1adbcf97dde6ec4efc9807ef18ca5f459744cf86a17477240ad4dbe7

      • C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp
        Filesize

        797KB

        MD5

        24925b25552a7d8f1d3292071e545920

        SHA1

        f786e1d40df30f6fed0301d60c823b655f2d6eac

        SHA256

        9931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b

        SHA512

        242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26

      • C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp
        Filesize

        797KB

        MD5

        24925b25552a7d8f1d3292071e545920

        SHA1

        f786e1d40df30f6fed0301d60c823b655f2d6eac

        SHA256

        9931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b

        SHA512

        242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26

      • memory/2052-155-0x000001E39DF00000-0x000001E39E040000-memory.dmp
        Filesize

        1.2MB

      • memory/2052-157-0x0000000000260000-0x0000000000479000-memory.dmp
        Filesize

        2.1MB

      • memory/2052-156-0x000001E39DF00000-0x000001E39E040000-memory.dmp
        Filesize

        1.2MB

      • memory/2052-158-0x000001E39C530000-0x000001E39C75A000-memory.dmp
        Filesize

        2.2MB

      • memory/2052-154-0x00007FF6D88E6890-mapping.dmp
      • memory/4104-136-0x0000000000000000-mapping.dmp
      • memory/4104-142-0x00000000006E3000-0x00000000007D1000-memory.dmp
        Filesize

        952KB

      • memory/4104-143-0x00000000023F0000-0x0000000002520000-memory.dmp
        Filesize

        1.2MB

      • memory/4104-144-0x0000000000400000-0x000000000053E000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-146-0x0000000005480000-0x0000000005BA5000-memory.dmp
        Filesize

        7.1MB

      • memory/4804-150-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-147-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-148-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-149-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-151-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-152-0x0000000006369000-0x000000000636B000-memory.dmp
        Filesize

        8KB

      • memory/4804-159-0x0000000005480000-0x0000000005BA5000-memory.dmp
        Filesize

        7.1MB

      • memory/4804-153-0x00000000062F0000-0x0000000006430000-memory.dmp
        Filesize

        1.2MB

      • memory/4804-145-0x0000000005480000-0x0000000005BA5000-memory.dmp
        Filesize

        7.1MB

      • memory/4804-139-0x0000000000000000-mapping.dmp
      • memory/4984-135-0x0000000000400000-0x000000000045F000-memory.dmp
        Filesize

        380KB

      • memory/4984-134-0x0000000000400000-0x000000000045F000-memory.dmp
        Filesize

        380KB

      • memory/4984-133-0x0000000000570000-0x0000000000579000-memory.dmp
        Filesize

        36KB

      • memory/4984-132-0x0000000000662000-0x0000000000672000-memory.dmp
        Filesize

        64KB