Analysis

  • max time kernel
    172s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 02:49

General

  • Target
    b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.exe
  • Size 149KB
  • Sample221021-da5yqshcd2
  • SHA256 b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 19 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.exe
    "C:\Users\Admin\AppData\Local\Temp\b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\Executioner.exe
      C:\Windows\Executioner.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Sets file execution options in registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\Executioner.exe
        C:\Windows\Executioner.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\System32\SHIMGVW.DLL,ImageView_Fullscreen C:\Windows\b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.jpg
      2⤵
      • Suspicious use of FindShellTrayWindow
      PID:3492
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3764
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:4572
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2068
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:1932
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:1156
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:4768

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    avatar.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\images\avatar.exe
                    • Size 55KB
                    • SHA256 d1f3cdac6ca6a037c503bbcb06f2682e81f53f8757f8b1681a52a325dd4317df
                    • MD5 SHA1 SHA512 SSDEEP

                    compare_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\compare_poster.exe
                    • Size 79KB
                    • SHA256 ba7f75d0c3437e5ebc805c889b3a1d14d0828ee163cf7c87028c3a29a01ad753
                    • MD5 SHA1 SHA512 SSDEEP

                    edit_pdf_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\edit_pdf_poster.exe
                    • Size 81KB
                    • SHA256 6e77266307287e76ef974157fdef9f6ae2a1ef914120ecc3d1fd699bfe4d77b9
                    • MD5 SHA1 SHA512 SSDEEP

                    index_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\index_poster.exe
                    • Size 107KB
                    • SHA256 4a60aa1d1706c0b449bf1c2750fd00ae608c5e92aef9ed0c38261217ebe613f0
                    • MD5 SHA1 SHA512 SSDEEP

                    javascript_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\javascript_poster.exe
                    • Size 97KB
                    • SHA256 e168250a845e066aa795c70d0eab388e1f26142d6fbb1baac0b4cc514c211b28
                    • MD5 SHA1 SHA512 SSDEEP

                    measure_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\measure_poster.exe
                    • Size 135KB
                    • SHA256 67e9a3e35e66f30ade3dde0477f6f6233a9d4c1115a5de48a8a5aadb90bc435f
                    • MD5 SHA1 SHA512 SSDEEP

                    media_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\media_poster.exe
                    • Size 117KB
                    • SHA256 05b70c0b453c6989fb7a8342dbd782ffe2594aef91ad46caee56d192497b9e00
                    • MD5 SHA1 SHA512 SSDEEP

                    optimize_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\optimize_poster.exe
                    • Size 75KB
                    • SHA256 52be321249d565ec75a603cf4dbb35dcf8be03461600d2d1c5f6dd3d1dbfe9c4
                    • MD5 SHA1 SHA512 SSDEEP

                    organize_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\organize_poster.exe
                    • Size 120KB
                    • SHA256 3e0aedc0dd62cf20ea5a49d63abdfde4a5ca48abe38e9927c1c1d799b4475166
                    • MD5 SHA1 SHA512 SSDEEP

                    protect_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\protect_poster.exe
                    • Size 75KB
                    • SHA256 5df31a6bf0775d5ed0e09dc63f7ec942d1ff9b688e5ee43f37065d60065c13f6
                    • MD5 SHA1 SHA512 SSDEEP

                    redact_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\redact_poster.exe
                    • Size 79KB
                    • SHA256 986d93e0c190b396d5cfac955a13122f5e736934777f06e274e30809acf17273
                    • MD5 SHA1 SHA512 SSDEEP

                    review_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\review_poster.exe
                    • Size 118KB
                    • SHA256 b4b1202d32c5b5fbe4596043940b6c914de871fda65cec80a4133c48f4a9c0dd
                    • MD5 SHA1 SHA512 SSDEEP

                    scan_poster.exe

                    • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\images\themeless\scan_poster.exe
                    • Size 82KB
                    • SHA256 8c973d9052ea98a2591868fd367f957d376354743149c4a2c0ae1de206e0ae93
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_120.exe

                    • Path C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_120.exe
                    • Size 55KB
                    • SHA256 732643b138058a9e78e4d470283af2982566f678a184b787552fbb6e211af9fc
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_120.exe

                    • Path C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_120.exe
                    • Size 55KB
                    • SHA256 732643b138058a9e78e4d470283af2982566f678a184b787552fbb6e211af9fc
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_48.exe

                    • Path C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_48.exe
                    • Size 53KB
                    • SHA256 fd040168f07b6aca2fc7d9dcf415a2ef9f8f3926dd308fceeb4ab8db8947382e
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_48.exe

                    • Path C:\Program Files (x86)\Windows Media Player\Media Renderer\DMR_48.exe
                    • Size 53KB
                    • SHA256 fd040168f07b6aca2fc7d9dcf415a2ef9f8f3926dd308fceeb4ab8db8947382e
                    • MD5 SHA1 SHA512 SSDEEP

                    MS.JPG

                    • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\GRPHFLT\MS.JPG
                    • Size 106KB
                    • SHA256 75163d32b70211076ae6a62cae9534f56e4edfd66b9c787b7a6c07cb709ca646
                    • MD5 SHA1 SHA512 SSDEEP

                    MS.JPG

                    • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\GRPHFLT\MS.JPG
                    • Size 106KB
                    • SHA256 75163d32b70211076ae6a62cae9534f56e4edfd66b9c787b7a6c07cb709ca646
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_120.exe

                    • Path C:\Program Files\Windows Media Player\Media Renderer\DMR_120.exe
                    • Size 55KB
                    • SHA256 732643b138058a9e78e4d470283af2982566f678a184b787552fbb6e211af9fc
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_120.exe

                    • Path C:\Program Files\Windows Media Player\Media Renderer\DMR_120.exe
                    • Size 55KB
                    • SHA256 732643b138058a9e78e4d470283af2982566f678a184b787552fbb6e211af9fc
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_48.exe

                    • Path C:\Program Files\Windows Media Player\Media Renderer\DMR_48.exe
                    • Size 53KB
                    • SHA256 fd040168f07b6aca2fc7d9dcf415a2ef9f8f3926dd308fceeb4ab8db8947382e
                    • MD5 SHA1 SHA512 SSDEEP

                    DMR_48.exe

                    • Path C:\Program Files\Windows Media Player\Media Renderer\DMR_48.exe
                    • Size 53KB
                    • SHA256 fd040168f07b6aca2fc7d9dcf415a2ef9f8f3926dd308fceeb4ab8db8947382e
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color120.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.exe
                    • Size 57KB
                    • SHA256 9e5c0b9dba4c03849178df52ae23138cc6a70666ddc04516a3a4365e699d7ab6
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color120.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.exe
                    • Size 57KB
                    • SHA256 9e5c0b9dba4c03849178df52ae23138cc6a70666ddc04516a3a4365e699d7ab6
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color120.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color120.exe
                    • Size 57KB
                    • SHA256 9e5c0b9dba4c03849178df52ae23138cc6a70666ddc04516a3a4365e699d7ab6
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color32.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color32.exe
                    • Size 54KB
                    • SHA256 deb0e11c6662ae6a0a9eb7beeb03ced6eef2cd18fac82a8e514c5b93cbcc7c3e
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color32.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color32.exe
                    • Size 54KB
                    • SHA256 deb0e11c6662ae6a0a9eb7beeb03ced6eef2cd18fac82a8e514c5b93cbcc7c3e
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color48.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.exe
                    • Size 54KB
                    • SHA256 5b3c4f119cce1e3be5cc1f34511b0d37b3f5c1d3b5143077a7c57bec7982dc77
                    • MD5 SHA1 SHA512 SSDEEP

                    wmpnss_color48.exe

                    • Path C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.exe
                    • Size 54KB
                    • SHA256 5b3c4f119cce1e3be5cc1f34511b0d37b3f5c1d3b5143077a7c57bec7982dc77
                    • MD5 SHA1 SHA512 SSDEEP

                    Executioner.exe

                    • Path C:\Windows\Executioner.exe
                    • Size 149KB
                    • SHA256 b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af
                    • MD5 SHA1 SHA512 SSDEEP

                    Executioner.exe

                    • Path C:\Windows\Executioner.exe
                    • Size 149KB
                    • SHA256 b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af
                    • MD5 SHA1 SHA512 SSDEEP

                    Executioner.exe

                    • Path C:\Windows\Executioner.exe
                    • Size 149KB
                    • SHA256 b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af
                    • MD5 SHA1 SHA512 SSDEEP

                    Dakila.nfo

                    • Path C:\Windows\SysWOW64\Dakila.nfo
                    • Size 13B
                    • SHA256 918ded25f95297bd62c0c1bf1bedee75568fa7df79c643bde120c287ac61f6e1
                    • MD5 SHA1 SHA512

                    b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.jpg

                    • Path C:\Windows\b457f291369ba42e32b5eac7cd721d12d5aa943442be103749756bfdd06283af.jpg
                    • Size 97KB
                    • SHA256 d4d6ef8cc38c4eefd9e8da8c0ae3237c9caa41868749fe968b5e50ec05dbb1ab
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/4504-132-0x0000000000400000-0x000000000041D000-memory.dmp