Analysis

  • max time kernel
    153s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 21:37

General

  • Target

    cd57dae9a58bf5093450501890ca2e664c150b5cf88e7a22d492c584f71d3c20.exe

  • Size

    270KB

  • MD5

    06ad9e5a069740a4abe6328beeb4e6f2

  • SHA1

    664d96aededaa66ee7d1748b4f3155dbde4c4465

  • SHA256

    cd57dae9a58bf5093450501890ca2e664c150b5cf88e7a22d492c584f71d3c20

  • SHA512

    b2fef51c8eebfbd507803539c7c28145101e6f78b0980cf041bfc938d66dddb72d896cf233b95c273f0a22641a670558d5f16d2b09fa283864a10c8beb61479d

  • SSDEEP

    6144:kWfCbohHv6mC21AAf3os6SC+vyJ65FrD1yyIchVjz5GEKQVfjixoSM:tfuopvBCSfYdN6yE55D1yyIcVPqQVfjh

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 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\cd57dae9a58bf5093450501890ca2e664c150b5cf88e7a22d492c584f71d3c20.exe
    "C:\Users\Admin\AppData\Local\Temp\cd57dae9a58bf5093450501890ca2e664c150b5cf88e7a22d492c584f71d3c20.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sAqgD.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3060
      • 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:4820
    • 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:3404
      • 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:1256
        • 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:1764
          • 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:212
        • 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:4108
          • 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:2100
        • 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:2864
          • 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:1520
        • 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:1892
          • 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:224
      • 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:1304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

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

    Filesize

    270KB

    MD5

    50c712e8394f9bc5d0a7125f0c04962b

    SHA1

    18ec1dcacd9d81ed4805e0443d6bffdb1c645ee8

    SHA256

    d0d83ac4c45c9be1d4d169af4fa98c36a776904d60759b7a7cbbddca4c7e7ddf

    SHA512

    713a0dbe4df7576fe45b9633586cb2ff9c7960b866471f38d8ea078b0d940f36e75f96e88a62817136f9eba05d442db5e3b7ce93accda11a48abbdf19684b711

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

    Filesize

    270KB

    MD5

    50c712e8394f9bc5d0a7125f0c04962b

    SHA1

    18ec1dcacd9d81ed4805e0443d6bffdb1c645ee8

    SHA256

    d0d83ac4c45c9be1d4d169af4fa98c36a776904d60759b7a7cbbddca4c7e7ddf

    SHA512

    713a0dbe4df7576fe45b9633586cb2ff9c7960b866471f38d8ea078b0d940f36e75f96e88a62817136f9eba05d442db5e3b7ce93accda11a48abbdf19684b711

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

    Filesize

    270KB

    MD5

    50c712e8394f9bc5d0a7125f0c04962b

    SHA1

    18ec1dcacd9d81ed4805e0443d6bffdb1c645ee8

    SHA256

    d0d83ac4c45c9be1d4d169af4fa98c36a776904d60759b7a7cbbddca4c7e7ddf

    SHA512

    713a0dbe4df7576fe45b9633586cb2ff9c7960b866471f38d8ea078b0d940f36e75f96e88a62817136f9eba05d442db5e3b7ce93accda11a48abbdf19684b711

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

    Filesize

    270KB

    MD5

    50c712e8394f9bc5d0a7125f0c04962b

    SHA1

    18ec1dcacd9d81ed4805e0443d6bffdb1c645ee8

    SHA256

    d0d83ac4c45c9be1d4d169af4fa98c36a776904d60759b7a7cbbddca4c7e7ddf

    SHA512

    713a0dbe4df7576fe45b9633586cb2ff9c7960b866471f38d8ea078b0d940f36e75f96e88a62817136f9eba05d442db5e3b7ce93accda11a48abbdf19684b711

  • memory/212-167-0x0000000000000000-mapping.dmp

  • memory/224-168-0x0000000000000000-mapping.dmp

  • memory/1256-148-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1256-144-0x0000000000000000-mapping.dmp

  • memory/1256-145-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1256-150-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1256-172-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1304-149-0x0000000000000000-mapping.dmp

  • memory/1304-159-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1304-171-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1304-152-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1304-156-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1520-170-0x0000000000000000-mapping.dmp

  • memory/1764-164-0x0000000000000000-mapping.dmp

  • memory/1892-163-0x0000000000000000-mapping.dmp

  • memory/2100-169-0x0000000000000000-mapping.dmp

  • memory/2520-132-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/2520-141-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/2864-165-0x0000000000000000-mapping.dmp

  • memory/3060-135-0x0000000000000000-mapping.dmp

  • memory/3404-160-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/3404-151-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/3404-138-0x0000000000000000-mapping.dmp

  • memory/4108-166-0x0000000000000000-mapping.dmp

  • memory/4820-137-0x0000000000000000-mapping.dmp