Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 14:30

General

  • Target

    aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe

  • Size

    664KB

  • MD5

    acf73cf8ddfb182b8559779f8a165e49

  • SHA1

    d944a1bc327f26b8c17345d04986ef0437d85484

  • SHA256

    aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef

  • SHA512

    284a26b9165b58c9a531364bb7609abdc38868efd38878b0cdf78bed45ef0ee73a83719ec972ee86416dddc0e9ab698ed387537e12c9aed75d81ad817a3c8fd0

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe
    "C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe
      C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3080
      • C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe
        "C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe
          C:\Users\Admin\AppData\Local\Temp\aa193db9460c9e0fd373d2fb1f84b1c4485f559ae97db128a267d530c24efdef.exe"
          4⤵
            PID:3092
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4792
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            4⤵
            • Modifies Windows Firewall
            PID:308
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            4⤵
            • Modifies Windows Firewall
            PID:4520
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3180

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/308-153-0x0000000000000000-mapping.dmp

    • memory/2016-143-0x0000000000000000-mapping.dmp

    • memory/2016-151-0x0000000077C20000-0x0000000077DC3000-memory.dmp

      Filesize

      1.6MB

    • memory/2016-150-0x00007FFE7DA10000-0x00007FFE7DC05000-memory.dmp

      Filesize

      2.0MB

    • memory/2016-149-0x0000000002190000-0x0000000002197000-memory.dmp

      Filesize

      28KB

    • memory/3080-137-0x0000000000400000-0x00000000004B6000-memory.dmp

      Filesize

      728KB

    • memory/3080-133-0x0000000000000000-mapping.dmp

    • memory/3080-144-0x00007FFE7DA10000-0x00007FFE7DC05000-memory.dmp

      Filesize

      2.0MB

    • memory/3080-166-0x0000000077C20000-0x0000000077DC3000-memory.dmp

      Filesize

      1.6MB

    • memory/3080-145-0x0000000077C20000-0x0000000077DC3000-memory.dmp

      Filesize

      1.6MB

    • memory/3080-165-0x00007FFE7DA10000-0x00007FFE7DC05000-memory.dmp

      Filesize

      2.0MB

    • memory/3080-138-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3080-155-0x00000000006F0000-0x00000000006F7000-memory.dmp

      Filesize

      28KB

    • memory/3092-162-0x00000000005E0000-0x00000000005E7000-memory.dmp

      Filesize

      28KB

    • memory/3092-163-0x00007FFE7DA10000-0x00007FFE7DC05000-memory.dmp

      Filesize

      2.0MB

    • memory/3092-164-0x0000000077C20000-0x0000000077DC3000-memory.dmp

      Filesize

      1.6MB

    • memory/3092-148-0x0000000000000000-mapping.dmp

    • memory/4264-134-0x00007FFE7DA10000-0x00007FFE7DC05000-memory.dmp

      Filesize

      2.0MB

    • memory/4264-136-0x0000000077C20000-0x0000000077DC3000-memory.dmp

      Filesize

      1.6MB

    • memory/4264-135-0x00000000006D0000-0x00000000006D7000-memory.dmp

      Filesize

      28KB

    • memory/4264-132-0x00000000006D0000-0x00000000006D7000-memory.dmp

      Filesize

      28KB

    • memory/4520-154-0x0000000000000000-mapping.dmp

    • memory/4792-152-0x0000000000000000-mapping.dmp