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Analysis

  • max time kernel
    158s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 17:03

General

  • Target

    f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe

  • Size

    777KB

  • MD5

    036d8a0aceb9c7b38ea13fa8a204f470

  • SHA1

    321f6e9e4c21841b5d6836f6840163523aebaae4

  • SHA256

    f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7

  • SHA512

    ab4d082deb1b9e7099a90da207033601306b242a44ba372cc79d81d113af6e4c6d4d7eeb54ff17e580ff28c39af3dbad0d4c38996d6ddf7b90c9c4a183f3e5d9

  • SSDEEP

    12288:0Lkcoxg7v3qnC11ErwIhh0F4qwUgUny5QPC+qRHk:qfmMv6Ckr7Mny5QanHk

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 4 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.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe
    "C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe
      "C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe"
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4916
      • 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:2044
        • 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:1572
      • 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\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1380
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f1b506a365f630be0d8d34d877a6f2bb83331cc4022f4e875547dd7af8ba94f7.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4324
      • 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:1956
        • 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:748
      • 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4916-141-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4916-140-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4916-136-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4916-135-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4916-133-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB