Analysis

  • max time kernel
    255s
  • max time network
    353s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 00:05

General

  • Target

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176.exe

  • Size

    488KB

  • MD5

    32119bc05a71df1acbcd331912e81343

  • SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

  • SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

  • SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • SSDEEP

    6144:fiQ+CGTCCkfVHKPikyX862ZAMB6gjaUVQJqtHnnW6H0TeXp5PfiioJwm26N8j6uM:fiQ+Chdy6gugQ+HW6hpxvoJwr1KaJbt

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176.exe
    "C:\Users\Admin\AppData\Local\Temp\8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\System32\rundll32.exe
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:340
        • 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:1224
          • 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:1252
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\rundll32.exe" /t REG_SZ /d "C:\Windows\SysWOW64\rundll32.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1360
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\rundll32.exe" /t REG_SZ /d "C:\Windows\SysWOW64\rundll32.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies registry key
            PID:1332
        • 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\Windows Updates\NoZ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updates\NoZ.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:272
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updates\NoZ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updates\NoZ.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1772
        • 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:1232
          • 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:1648
      • C:\Users\Admin\AppData\Local\Temp\System\audiadag.exe
        "C:\Users\Admin\AppData\Local\Temp\System\audiadag.exe"
        3⤵
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:872
        • C:\Users\Admin\AppData\Local\Temp\System\Wmiprvsd.exe
          C:\Users\Admin\AppData\Local\Temp\System\Wmiprvsd.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\System32\rundll32.exe
            5⤵
            • Suspicious use of SetWindowsHookEx
            PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

4
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
    Filesize

    102B

    MD5

    c45c0cf1e981b3ea16f378e15694160a

    SHA1

    e4c5e9751ec3e82fb1c647230a258425951b41dc

    SHA256

    13aa86eaa22a8a3abedb1c381444aa3f36e09b2ba3a7dae8624a0e72d94e6fe0

    SHA512

    f37fdb0ccc245e71c015112e6896858cffde590460a7e0c7fb62c8555b8ab622b73650da8f38cd2faf6d9e79df3c99780e5820d6de69ba7e79ba868fe43ba070

  • C:\Users\Admin\AppData\Local\Temp\System\Wmiprvsd.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • C:\Users\Admin\AppData\Local\Temp\System\Wmiprvsd.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • C:\Users\Admin\AppData\Local\Temp\System\audiadag.exe
    Filesize

    9KB

    MD5

    3b3515ae5be07674b71c2c1f74e298e2

    SHA1

    ce336fc83661eeedb00de087ea53a2ccc60d1fec

    SHA256

    66b40ba0578f18ae39e2c7d5e33ae05d315bd9172517dd27b464efdcb4f965d8

    SHA512

    18c29eb0344f4b50c32c74744e69ab3ca34fe5a4394cef75d4fea4fe8e0c7138651f57ee86c1a28d06bbfc790c5b69ac661fc9e93f9977d788c11870af0ef02b

  • C:\Users\Admin\AppData\Local\Temp\System\audiadag.exe
    Filesize

    9KB

    MD5

    3b3515ae5be07674b71c2c1f74e298e2

    SHA1

    ce336fc83661eeedb00de087ea53a2ccc60d1fec

    SHA256

    66b40ba0578f18ae39e2c7d5e33ae05d315bd9172517dd27b464efdcb4f965d8

    SHA512

    18c29eb0344f4b50c32c74744e69ab3ca34fe5a4394cef75d4fea4fe8e0c7138651f57ee86c1a28d06bbfc790c5b69ac661fc9e93f9977d788c11870af0ef02b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • \Users\Admin\AppData\Local\Temp\System\Wmiprvsd.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • \Users\Admin\AppData\Local\Temp\System\audiadag.exe
    Filesize

    9KB

    MD5

    3b3515ae5be07674b71c2c1f74e298e2

    SHA1

    ce336fc83661eeedb00de087ea53a2ccc60d1fec

    SHA256

    66b40ba0578f18ae39e2c7d5e33ae05d315bd9172517dd27b464efdcb4f965d8

    SHA512

    18c29eb0344f4b50c32c74744e69ab3ca34fe5a4394cef75d4fea4fe8e0c7138651f57ee86c1a28d06bbfc790c5b69ac661fc9e93f9977d788c11870af0ef02b

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
    Filesize

    488KB

    MD5

    32119bc05a71df1acbcd331912e81343

    SHA1

    285d81aa2c4196aa41184c0cc791fd5b7aab3d91

    SHA256

    8f9cd57db574bc54883668459c530ee81a0e748fd4778b07009e5bda3f5f6176

    SHA512

    0a98ab9f2748e12c2fda307d5df101917dc6292434739989dec96cc1b2177056ef468941509763018218c675117c4f541b624d1a5a97977f03e53658e0eb1aa4

  • memory/272-93-0x0000000000000000-mapping.dmp
  • memory/340-98-0x0000000000401000-0x0000000000468000-memory.dmp
    Filesize

    412KB

  • memory/340-66-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

  • memory/340-67-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

  • memory/340-70-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

  • memory/340-69-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

  • memory/340-71-0x00000000004013BC-mapping.dmp
  • memory/672-57-0x0000000000000000-mapping.dmp
  • memory/672-73-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/672-61-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/872-78-0x0000000000000000-mapping.dmp
  • memory/872-111-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/872-101-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1036-97-0x00000000004013BC-mapping.dmp
  • memory/1160-110-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1160-84-0x0000000000000000-mapping.dmp
  • memory/1160-103-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1224-87-0x0000000000000000-mapping.dmp
  • memory/1232-92-0x0000000000000000-mapping.dmp
  • memory/1240-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
    Filesize

    8KB

  • memory/1240-62-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1240-55-0x0000000074000000-0x00000000745AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1252-96-0x0000000000000000-mapping.dmp
  • memory/1332-99-0x0000000000000000-mapping.dmp
  • memory/1360-89-0x0000000000000000-mapping.dmp
  • memory/1648-104-0x0000000000000000-mapping.dmp
  • memory/1772-108-0x0000000000000000-mapping.dmp