Overview

overview

10

Static

static

34ff816c9d...37.exe

windows7_x64

10

34ff816c9d...37.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18/10/2021, 13:28

Sharing

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Report Analysis Logs

General

  • Target
    34ff816c9decd4151520a12452cde537.exe
  • Size 164KB
  • Sample211018-qqpb5sefar
  • SHA256 32016cf36c5e99a6c8fba8fd4ffad8b5f301cac55439ae73fec5db799ac341ab
  • MD5 SHA1 SHA512
Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Path

  • \??\M:\Boot\cs-CZ\Read_Me.txt

Ransom Note
  • Attention! All your files, documents, photos, databases and other important files are encrypted The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files. The server with your decryptor is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- 1. Download Tor browser - https://www.torproject.org/ 2. Install Tor browser 3. Open Tor Browser 4. Open link in TOR browser: http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?102TTTTTTTT 5. and open ticket ---------------------------------------------------------------------------------------- Alternate communication channel here: https://yip.su/2QstD5
URLs

  • http://mmeeiix2ejdwkmseycljetmpiwebdvgjts75c63camjofn2cjdoulzqd.onion/?102TTTTTTTT

  • https://yip.su/2QstD5

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • Windows security bypass 2 TTPs
    evasiontrojan
  • Nirsoft 14 IoCs
  • Executes dropped EXE 6 IoCs
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Loads dropped DLL 21 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 9 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 48 IoCs
  • Enumerates connected drives 3 TTPs 47 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 27 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe
    "C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe"
    1⤵
    • Loads dropped DLL
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\b7d78567-eca0-4f0b-9285-9082f55d7f34\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\b7d78567-eca0-4f0b-9285-9082f55d7f34\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\b7d78567-eca0-4f0b-9285-9082f55d7f34\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Users\Admin\AppData\Local\Temp\b7d78567-eca0-4f0b-9285-9082f55d7f34\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\b7d78567-eca0-4f0b-9285-9082f55d7f34\AdvancedRun.exe" /SpecialRun 4101d8 1676
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe
      "C:\Users\Admin\AppData\Local\Temp\34ff816c9decd4151520a12452cde537.exe"
      2⤵
      • Modifies extensions of user files
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:872
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops desktop.ini file(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe
      "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1880
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
        3⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1584
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
        3⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1984
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
        3⤵
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Users\Admin\AppData\Local\Temp\d25b8f6f-363e-4c50-8578-b6d10d4a8dda\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\d25b8f6f-363e-4c50-8578-b6d10d4a8dda\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\d25b8f6f-363e-4c50-8578-b6d10d4a8dda\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Users\Admin\AppData\Local\Temp\d25b8f6f-363e-4c50-8578-b6d10d4a8dda\AdvancedRun.exe
          "C:\Users\Admin\AppData\Local\Temp\d25b8f6f-363e-4c50-8578-b6d10d4a8dda\AdvancedRun.exe" /SpecialRun 4101d8 1544
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1792
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe" -Force
        3⤵
        • Drops file in System32 directory
        PID:576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 1988
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: GetForegroundWindowSpam
        PID:868
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 965256DE86291581E19FBAADC01B715E
      2⤵
      • Loads dropped DLL
      PID:1680
    • C:\Windows\system32\MsiExec.exe
      C:\Windows\system32\MsiExec.exe -Embedding 245E63D00346FCCB29188CC0CF518938
      2⤵
      • Loads dropped DLL
      PID:780
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1908
    • C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe
      "C:\Windows\Cursors\㒀㒁㑤㑿㒀㒁㒂㑾㑿㒁㑧㑓㒕㒂㑔\svchost.exe"
      2⤵
      • Executes dropped EXE
      PID:904
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    • Suspicious use of SendNotifyMessage
    PID:812

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/576-147-0x0000000002370000-0x0000000002FBA000-memory.dmp
        Download

        memory/576-146-0x0000000002370000-0x0000000002FBA000-memory.dmp
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        memory/576-149-0x0000000002370000-0x0000000002FBA000-memory.dmp
        Download

        memory/812-200-0x0000000003EC0000-0x0000000003FD5000-memory.dmp
        Download

        memory/868-171-0x00000000004F0000-0x0000000000520000-memory.dmp
        Download

        memory/872-92-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/872-93-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/872-95-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/872-90-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/872-91-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/872-96-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/872-98-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/872-94-0x0000000000400000-0x000000000041F000-memory.dmp
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        memory/904-169-0x00000000056D0000-0x00000000056D1000-memory.dmp
        Download

        memory/904-161-0x00000000008C0000-0x00000000008C1000-memory.dmp
        Download

        memory/1304-89-0x0000000002420000-0x000000000306A000-memory.dmp
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        memory/1304-87-0x0000000002420000-0x000000000306A000-memory.dmp
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        memory/1304-88-0x0000000002420000-0x000000000306A000-memory.dmp
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        memory/1440-83-0x00000000024C0000-0x000000000310A000-memory.dmp
        Download

        memory/1440-80-0x00000000024C0000-0x000000000310A000-memory.dmp
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        memory/1544-59-0x00000000054C0000-0x0000000005533000-memory.dmp
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        memory/1544-57-0x00000000054C0000-0x00000000054C1000-memory.dmp
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        memory/1544-53-0x0000000001280000-0x0000000001281000-memory.dmp
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        memory/1544-56-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
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        memory/1544-55-0x00000000751D1000-0x00000000751D3000-memory.dmp
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        memory/1564-121-0x0000000004130000-0x0000000004131000-memory.dmp
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        memory/1564-99-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp
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        memory/1584-125-0x00000000022D0000-0x0000000002F1A000-memory.dmp
        Download

        memory/1584-126-0x00000000022D0000-0x0000000002F1A000-memory.dmp
        Download

        memory/1584-124-0x00000000022D0000-0x0000000002F1A000-memory.dmp
        Download

        memory/1592-138-0x0000000001CE0000-0x0000000001CE1000-memory.dmp
        Download

        memory/1592-139-0x0000000001CE1000-0x0000000001CE2000-memory.dmp
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        memory/1592-140-0x0000000001CE2000-0x0000000001CE4000-memory.dmp
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        memory/1656-78-0x0000000002490000-0x00000000030DA000-memory.dmp
        Download

        memory/1656-82-0x0000000002490000-0x00000000030DA000-memory.dmp
        Download

        memory/1680-176-0x0000000000261000-0x0000000000265000-memory.dmp
        Download

        memory/1812-81-0x0000000002480000-0x00000000030CA000-memory.dmp
        Download

        memory/1812-79-0x0000000002480000-0x00000000030CA000-memory.dmp
        Download

        memory/1880-103-0x0000000000930000-0x0000000000931000-memory.dmp
        Download

        memory/1880-106-0x0000000004C20000-0x0000000004C21000-memory.dmp
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        memory/1880-108-0x0000000005560000-0x0000000005561000-memory.dmp
        Download

        memory/1908-170-0x0000000003B50000-0x0000000003B51000-memory.dmp
        Download

        memory/1984-133-0x0000000002380000-0x0000000002381000-memory.dmp
        Download

        memory/1984-136-0x0000000002381000-0x0000000002382000-memory.dmp
        Download

        memory/1984-137-0x0000000002382000-0x0000000002384000-memory.dmp
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