Analysis

  • max time kernel
    16s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 12:30

Errors

Reason
Machine shutdown

General

  • Target

    f7dc6cfcc93ad200a615e4b0b1951e7ab159636eb48d8f19874dc1698e532812.exe

  • Size

    216KB

  • MD5

    88f9c81bf69cde243fa55d8b77b07dd2

  • SHA1

    eee450f5fec2242d0d1057bd8e4d1f7ab2f11a6a

  • SHA256

    f7dc6cfcc93ad200a615e4b0b1951e7ab159636eb48d8f19874dc1698e532812

  • SHA512

    eeb6461292438f6d2ed90713d282c1535bb7c13ff2d085861b34dd0e3d45fdc8e07f0676b3f52bd76eea8392027ee88412cf649735084a7115c6ae6156e426dc

  • SSDEEP

    6144:L63B7PRp/6XP90OzsKP58jeLq4oYXskCTMC1j:WR7pU/mqBPOMzStJ

Score
9/10

Malware Config

Signatures

  • Modifies boot configuration data using bcdedit 1 TTPs 10 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7dc6cfcc93ad200a615e4b0b1951e7ab159636eb48d8f19874dc1698e532812.exe
    "C:\Users\Admin\AppData\Local\Temp\f7dc6cfcc93ad200a615e4b0b1951e7ab159636eb48d8f19874dc1698e532812.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\826dbc47.tmp"
      2⤵
      • Deletes itself
      PID:1464
  • C:\Windows\Installer\{41296F46-7A29-BA3F-6404-8C0C3CB711C6}\syshost.exe
    "C:\Windows\Installer\{41296F46-7A29-BA3F-6404-8C0C3CB711C6}\syshost.exe" /service
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1076
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1124
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1712
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:836
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:2028
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1700
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1708
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1180
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1588
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:608
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1044
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1900

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\Installer\{41296F46-7A29-BA3F-6404-8C0C3CB711C6}\syshost.exe

        Filesize

        216KB

        MD5

        88f9c81bf69cde243fa55d8b77b07dd2

        SHA1

        eee450f5fec2242d0d1057bd8e4d1f7ab2f11a6a

        SHA256

        f7dc6cfcc93ad200a615e4b0b1951e7ab159636eb48d8f19874dc1698e532812

        SHA512

        eeb6461292438f6d2ed90713d282c1535bb7c13ff2d085861b34dd0e3d45fdc8e07f0676b3f52bd76eea8392027ee88412cf649735084a7115c6ae6156e426dc

      • memory/608-71-0x0000000000000000-mapping.dmp

      • memory/836-65-0x0000000000000000-mapping.dmp

      • memory/916-72-0x0000000000920000-0x0000000000A20000-memory.dmp

        Filesize

        1024KB

      • memory/916-73-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/916-74-0x0000000000220000-0x0000000000226000-memory.dmp

        Filesize

        24KB

      • memory/916-75-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1044-76-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

        Filesize

        8KB

      • memory/1076-61-0x0000000000000000-mapping.dmp

      • memory/1108-62-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1108-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

        Filesize

        8KB

      • memory/1108-56-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/1108-57-0x00000000003A0000-0x00000000003A6000-memory.dmp

        Filesize

        24KB

      • memory/1108-55-0x00000000002A0000-0x00000000003A0000-memory.dmp

        Filesize

        1024KB

      • memory/1124-63-0x0000000000000000-mapping.dmp

      • memory/1180-69-0x0000000000000000-mapping.dmp

      • memory/1464-60-0x0000000000000000-mapping.dmp

      • memory/1588-70-0x0000000000000000-mapping.dmp

      • memory/1700-67-0x0000000000000000-mapping.dmp

      • memory/1708-68-0x0000000000000000-mapping.dmp

      • memory/1712-64-0x0000000000000000-mapping.dmp

      • memory/2028-66-0x0000000000000000-mapping.dmp