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Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 03:37

General

  • Target

    6daa40a506e0dd2a62b22af40e1d1d60a64d2b8065e2b0e8a204ce2abdeca7c3.exe

  • Size

    267KB

  • MD5

    3191a5550fe3cbe5fbb94d014b7ca48e

  • SHA1

    6bac06e26974da605380fd832651c50b362689e4

  • SHA256

    6daa40a506e0dd2a62b22af40e1d1d60a64d2b8065e2b0e8a204ce2abdeca7c3

  • SHA512

    e6b82aa1dd61770773bf86ef14c932c49ecdebb61ec04be5ebb6bc84e56a32d843d368abb04455c8e6fe02851b663c9dd87f1b7d7cff4a770792db70bc646fac

  • SSDEEP

    6144:XbfO3SlNyTkyhlx0kRujRYO4VYAtHJ3DFLjxIE++/gAxcbibMoSL:LfIST8kk0kMlCPTvXxKXoSL

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 23 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6daa40a506e0dd2a62b22af40e1d1d60a64d2b8065e2b0e8a204ce2abdeca7c3.exe
    "C:\Users\Admin\AppData\Local\Temp\6daa40a506e0dd2a62b22af40e1d1d60a64d2b8065e2b0e8a204ce2abdeca7c3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\yqGSN.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f
        3⤵
        • Adds Run key to start application
        PID:1652
    • C:\Users\Admin\AppData\Roaming\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        winlogon.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1184
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1784
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:840
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1964
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2024
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1752
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:872
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:268
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        C:\Users\Admin\AppData\Roaming\winlogon.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\yqGSN.bat

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    267KB

    MD5

    2a9d3994fbb728163c0f5306636a9105

    SHA1

    6d473723ca4b06c792a4eb3b74e89fafd1c5b475

    SHA256

    cf41fd97d9ca01ba2c00726c8bdf0306742a6a70dea34ddf79d6f412a2181dcf

    SHA512

    a693841a919278e82535a376f985b25802beed47f27a6be27b82c806283fd4f1afbb2754719aba00cbe1a935da70b26e0af443fb1efaa45ef315b145ef855c8f

  • memory/524-90-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1168-57-0x00000000760E1000-0x00000000760E3000-memory.dmp

    Filesize

    8KB

  • memory/1168-68-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1168-56-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1832-87-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1832-83-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1832-101-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1832-77-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2008-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2008-72-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2008-79-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2008-85-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2008-103-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2008-104-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB