Analysis

  • max time kernel
    139s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    23-05-2022 19:13

General

  • Target

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256.exe

  • Size

    202KB

  • MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

  • SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

  • SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

  • SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 18 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 10 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 20 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256.exe
    "C:\Users\Admin\AppData\Local\Temp\018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\openssl32.exe
      C:\Windows\system32\openssl32.exe 548 "C:\Users\Admin\AppData\Local\Temp\018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\openssl32.exe
        C:\Windows\system32\openssl32.exe 552 "C:\Windows\SysWOW64\openssl32.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Windows\SysWOW64\openssl32.exe
          C:\Windows\system32\openssl32.exe 556 "C:\Windows\SysWOW64\openssl32.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Writes to the Master Boot Record (MBR)
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:1056
          • C:\Windows\SysWOW64\openssl32.exe
            C:\Windows\system32\openssl32.exe 572 "C:\Windows\SysWOW64\openssl32.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Writes to the Master Boot Record (MBR)
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:1764
            • C:\Windows\SysWOW64\openssl32.exe
              C:\Windows\system32\openssl32.exe 544 "C:\Windows\SysWOW64\openssl32.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Writes to the Master Boot Record (MBR)
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:1816
              • C:\Windows\SysWOW64\openssl32.exe
                C:\Windows\system32\openssl32.exe 568 "C:\Windows\SysWOW64\openssl32.exe"
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Writes to the Master Boot Record (MBR)
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:1068
                • C:\Windows\SysWOW64\openssl32.exe
                  C:\Windows\system32\openssl32.exe 584 "C:\Windows\SysWOW64\openssl32.exe"
                  8⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Writes to the Master Boot Record (MBR)
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:1960
                  • C:\Windows\SysWOW64\openssl32.exe
                    C:\Windows\system32\openssl32.exe 580 "C:\Windows\SysWOW64\openssl32.exe"
                    9⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Writes to the Master Boot Record (MBR)
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:1392
                    • C:\Windows\SysWOW64\openssl32.exe
                      C:\Windows\system32\openssl32.exe 588 "C:\Windows\SysWOW64\openssl32.exe"
                      10⤵
                      • Executes dropped EXE
                      • Writes to the Master Boot Record (MBR)
                      • Drops file in System32 directory
                      PID:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • C:\Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • \Windows\SysWOW64\openssl32.exe
    Filesize

    202KB

    MD5

    a4a4b85ffc87e7cf5cb34ca78b280dce

    SHA1

    80cb691cf04d5bfd5ad775ce57803aa7e5b58ee1

    SHA256

    018aeefb70244e918357b06f0c38a5be207ac1bf27c2601452bd72cc098a4256

    SHA512

    a9fefe2115b9ef7ba18d0b0584c518680e67c274278cb9dc76253d36b65711e02c95fecefc88c6498331b4d81a303ad8953a7b764ed89b5e562a2c96cd209b9e

  • memory/916-62-0x0000000000260000-0x000000000029A000-memory.dmp
    Filesize

    232KB

  • memory/916-58-0x0000000000000000-mapping.dmp
  • memory/1056-74-0x0000000000260000-0x000000000029A000-memory.dmp
    Filesize

    232KB

  • memory/1056-71-0x0000000000000000-mapping.dmp
  • memory/1068-89-0x0000000000000000-mapping.dmp
  • memory/1068-92-0x0000000000270000-0x00000000002AA000-memory.dmp
    Filesize

    232KB

  • memory/1332-68-0x0000000000310000-0x000000000034A000-memory.dmp
    Filesize

    232KB

  • memory/1332-65-0x0000000000000000-mapping.dmp
  • memory/1392-104-0x0000000000260000-0x000000000029A000-memory.dmp
    Filesize

    232KB

  • memory/1392-101-0x0000000000000000-mapping.dmp
  • memory/1496-110-0x00000000002F0000-0x000000000032A000-memory.dmp
    Filesize

    232KB

  • memory/1496-107-0x0000000000000000-mapping.dmp
  • memory/1764-77-0x0000000000000000-mapping.dmp
  • memory/1764-80-0x0000000000340000-0x000000000037A000-memory.dmp
    Filesize

    232KB

  • memory/1816-83-0x0000000000000000-mapping.dmp
  • memory/1816-86-0x00000000004F0000-0x000000000052A000-memory.dmp
    Filesize

    232KB

  • memory/1880-54-0x0000000001BD0000-0x0000000001C0A000-memory.dmp
    Filesize

    232KB

  • memory/1880-55-0x0000000075311000-0x0000000075313000-memory.dmp
    Filesize

    8KB

  • memory/1960-95-0x0000000000000000-mapping.dmp
  • memory/1960-98-0x00000000002F0000-0x000000000032A000-memory.dmp
    Filesize

    232KB