Analysis

  • max time kernel
    151s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 16:56

General

  • Target

    6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8.exe

  • Size

    947KB

  • MD5

    5fc51b17977c56d7158e744f254bb2fa

  • SHA1

    a9197dc78760886546d386ec7f5b0b253b1cb86f

  • SHA256

    6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8

  • SHA512

    9f718873df048898e2186ec85e79eedbecc773935471d91a0e8c70603be7683f8cbdf2a611fb90801736470cb4e7d417df9dc1c635204f8e3bce924b7bfca8c0

  • SSDEEP

    24576:ZhpOrzcwXRXk96ZcoexPoHhYBssWTmpA:ZSNXtkEcoGgGW6pA

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8.exe
    "C:\Users\Admin\AppData\Local\Temp\6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\FolderName\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Local\Temp\FolderName\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat" "
          4⤵
          • Drops startup file
          PID:2888
    • C:\Users\Admin\AppData\Local\Temp\notepad .exe
      "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2084
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1180
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\notepad .exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\notepad .exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\notepad .exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\notepad .exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1812
      • 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\9GPH0NJ1TN.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\9GPH0NJ1TN.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4564
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\9GPH0NJ1TN.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\9GPH0NJ1TN.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:2488
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4264
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FolderName\stres.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 300
        3⤵
        • Delays execution with timeout.exe
        PID:1300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\FolderName\file.exe

    Filesize

    947KB

    MD5

    5fc51b17977c56d7158e744f254bb2fa

    SHA1

    a9197dc78760886546d386ec7f5b0b253b1cb86f

    SHA256

    6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8

    SHA512

    9f718873df048898e2186ec85e79eedbecc773935471d91a0e8c70603be7683f8cbdf2a611fb90801736470cb4e7d417df9dc1c635204f8e3bce924b7bfca8c0

  • C:\Users\Admin\AppData\Local\Temp\FolderName\invs.vbs

    Filesize

    78B

    MD5

    c578d9653b22800c3eb6b6a51219bbb8

    SHA1

    a97aa251901bbe179a48dbc7a0c1872e163b1f2d

    SHA256

    20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

    SHA512

    3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

  • C:\Users\Admin\AppData\Local\Temp\FolderName\mata.bat

    Filesize

    69B

    MD5

    c96a3b31fc4a115c977ce5d8a3256f4f

    SHA1

    8c71b0d75099af30ac1fe33266e3970b47ba716d

    SHA256

    a5b672a4863abcf46556d2e606b2833e8897a3206e554ad93043a82a792df49e

    SHA512

    f4337e85ca0b3c0242c35a09f1ff7154c9e37ea3c7de3c2337385fb4b57e25a8550877ce2f37d023c94a3fa69b2b4e003207790297879d29a5bbe4856d0a0f48

  • C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat

    Filesize

    176B

    MD5

    b77f8e41f69f39412b204cc781212baa

    SHA1

    38d70fce7d44d1935955cf4b519664c7969d5989

    SHA256

    05ebddcab0758b634954345905825e611eed207bbbb989e6dded1e3476e5deab

    SHA512

    8b404359b8c854822fb97262c55dad5293a75d353ba2a2210840c9fbbea96e3ff985856601bb6ca4d10bc21effb3af33558e0c2d9c90128133ae35fe09dccb61

  • C:\Users\Admin\AppData\Local\Temp\FolderName\rundll11-.txt

    Filesize

    947KB

    MD5

    5fc51b17977c56d7158e744f254bb2fa

    SHA1

    a9197dc78760886546d386ec7f5b0b253b1cb86f

    SHA256

    6b4d9956d8b5dbc50c6346c011f82e708f4722f558739cac6b2ca6d2c46e0bd8

    SHA512

    9f718873df048898e2186ec85e79eedbecc773935471d91a0e8c70603be7683f8cbdf2a611fb90801736470cb4e7d417df9dc1c635204f8e3bce924b7bfca8c0

  • C:\Users\Admin\AppData\Local\Temp\FolderName\stres.bat

    Filesize

    211B

    MD5

    fcea7e008224fa9f82bba83e3562baf0

    SHA1

    f8ccd10830a0e5e979099a022fb07019e2ac479e

    SHA256

    0d9caf1dc4c3317085c4fd81a56df506c99dacb883c341a2250d8ef9beffbdba

    SHA512

    5083a7b3500841b05c879151cde2dda997cf70fbe0dbec5b218dc5efe37084af976fcb67511c92fff21f6b0b5dafdc01f03b448b731db56e7f1f851017467304

  • C:\Users\Admin\AppData\Local\Temp\notepad .exe

    Filesize

    57KB

    MD5

    454501a66ad6e85175a6757573d79f8b

    SHA1

    8ca96c61f26a640a5b1b1152d055260b9d43e308

    SHA256

    7fd4f35aff4a0d4bfaae3a5dfb14b94934276df0e96d1a417a8f3693915e72c8

    SHA512

    9dc3b9a9b7e661acc3ac9a0ff4fd764097fc41ccbc2e7969cae9805cc693a87e8255e459ea5f315271825e7e517a46649acc8d42122a8018264cc3f2efa34fb7

  • C:\Users\Admin\AppData\Local\Temp\notepad .exe

    Filesize

    57KB

    MD5

    454501a66ad6e85175a6757573d79f8b

    SHA1

    8ca96c61f26a640a5b1b1152d055260b9d43e308

    SHA256

    7fd4f35aff4a0d4bfaae3a5dfb14b94934276df0e96d1a417a8f3693915e72c8

    SHA512

    9dc3b9a9b7e661acc3ac9a0ff4fd764097fc41ccbc2e7969cae9805cc693a87e8255e459ea5f315271825e7e517a46649acc8d42122a8018264cc3f2efa34fb7

  • memory/604-156-0x0000000000000000-mapping.dmp

  • memory/1180-150-0x0000000000000000-mapping.dmp

  • memory/1300-162-0x0000000000000000-mapping.dmp

  • memory/1812-154-0x0000000000000000-mapping.dmp

  • memory/1960-135-0x0000000000000000-mapping.dmp

  • memory/2084-136-0x0000000000000000-mapping.dmp

  • memory/2084-146-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2084-142-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2228-133-0x0000000000000000-mapping.dmp

  • memory/2388-158-0x0000000000000000-mapping.dmp

  • memory/2488-157-0x0000000000000000-mapping.dmp

  • memory/2888-139-0x0000000000000000-mapping.dmp

  • memory/4132-132-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-160-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/4132-141-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/4264-152-0x0000000000000000-mapping.dmp

  • memory/4564-153-0x0000000000000000-mapping.dmp

  • memory/4892-151-0x0000000000000000-mapping.dmp

  • memory/4956-155-0x0000000000000000-mapping.dmp