Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 01:50

General

  • Target

    7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe

  • Size

    270KB

  • MD5

    666aceb8bde75266d139136e34cbff40

  • SHA1

    4b183b98bd9c19bcd9f3a3bb5a69301a8c72bd1f

  • SHA256

    7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f

  • SHA512

    8596e28b92656cc4a919ad1c9e391294b64674d7876e0d384e639ad048d0ce4c09e1c857e68655d124d37bec61e4f0aae891227f37c3b00a7f87c8835ae6078b

  • SSDEEP

    6144:kWfCbohHv6mC21AAf3os6SC+vyJ65FrD1yyIchVjz5GEKQVfjixoSE:tfuopvBCSfYdN6yE55D1yyIcVPqQVfjJ

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 18 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe
    "C:\Users\Admin\AppData\Local\Temp\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XAxJS.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5092
      • 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:4792
    • 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:724
      • 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
        • Suspicious use of WriteProcessMemory
        PID:4508
        • 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:3700
          • 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:1320
        • 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:3472
          • 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:3972
        • 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:952
          • 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:5068
        • 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:1196
          • 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:5060
      • 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:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

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

    Filesize

    270KB

    MD5

    e1541fba1cafdb84db2754cfe61c874f

    SHA1

    12acf3973d3e0937d4882da2e50a1fd50d70b361

    SHA256

    28f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3

    SHA512

    c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed

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

    Filesize

    270KB

    MD5

    e1541fba1cafdb84db2754cfe61c874f

    SHA1

    12acf3973d3e0937d4882da2e50a1fd50d70b361

    SHA256

    28f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3

    SHA512

    c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed

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

    Filesize

    270KB

    MD5

    e1541fba1cafdb84db2754cfe61c874f

    SHA1

    12acf3973d3e0937d4882da2e50a1fd50d70b361

    SHA256

    28f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3

    SHA512

    c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed

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

    Filesize

    270KB

    MD5

    e1541fba1cafdb84db2754cfe61c874f

    SHA1

    12acf3973d3e0937d4882da2e50a1fd50d70b361

    SHA256

    28f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3

    SHA512

    c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed

  • memory/724-138-0x0000000000000000-mapping.dmp

  • memory/724-144-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/724-160-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/952-165-0x0000000000000000-mapping.dmp

  • memory/1196-166-0x0000000000000000-mapping.dmp

  • memory/1320-171-0x0000000000000000-mapping.dmp

  • memory/1764-152-0x0000000000000000-mapping.dmp

  • memory/1764-153-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1764-168-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1764-157-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1764-159-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3472-163-0x0000000000000000-mapping.dmp

  • memory/3700-161-0x0000000000000000-mapping.dmp

  • memory/3972-172-0x0000000000000000-mapping.dmp

  • memory/4152-141-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/4152-134-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/4508-146-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4508-145-0x0000000000000000-mapping.dmp

  • memory/4508-167-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4508-149-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4508-150-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4508-173-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4792-137-0x0000000000000000-mapping.dmp

  • memory/5060-170-0x0000000000000000-mapping.dmp

  • memory/5068-169-0x0000000000000000-mapping.dmp

  • memory/5092-135-0x0000000000000000-mapping.dmp