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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 11:57

General

  • Target

    f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe

  • Size

    2.2MB

  • MD5

    050bb783684b01353c2675afbda69cb8

  • SHA1

    2010513490d076152585f2bdcc92f3aa57aae617

  • SHA256

    f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6

  • SHA512

    9edb501f561172e5c1f3da51fa06f5dc87100675956c3139601b0e41148b7af0c100c450bef47de6e546d54c9fbb2fd9f51d74f90ccf3ea23b2b15a7507aa0ef

  • SSDEEP

    49152:KYua2CnTfy2zsRiZjhg3b5sGnyE5uxIyxf/tEr:KYua2oTfy2osInZ5uxIyxf/2

Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe
    "C:\Users\Admin\AppData\Local\Temp\f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\iuiCB53.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\iuiCB53.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/4872-134-0x0000000000400000-0x000000000060C000-memory.dmp

    Filesize

    2.0MB

  • memory/4872-135-0x0000000002420000-0x0000000002493000-memory.dmp

    Filesize

    460KB

  • memory/4872-136-0x0000000074040000-0x0000000074079000-memory.dmp

    Filesize

    228KB

  • memory/4872-138-0x0000000000400000-0x000000000060C000-memory.dmp

    Filesize

    2.0MB

  • memory/4872-139-0x0000000074040000-0x0000000074079000-memory.dmp

    Filesize

    228KB

  • memory/4872-140-0x0000000002420000-0x0000000002493000-memory.dmp

    Filesize

    460KB

  • memory/4872-141-0x0000000000400000-0x000000000060C000-memory.dmp

    Filesize

    2.0MB