Analysis

  • max time kernel
    20s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 00:37

General

  • Target

    9b1c9b60a858e29474d3c15cace3a67174f2dbebc19a75cc7532bf5c7f9dd6df.dll

  • Size

    92KB

  • MD5

    cd6d1cced243637dfc6f337c3460eaa0

  • SHA1

    51d0c5cbf11184501badd73c1e57c842fe6a4ef0

  • SHA256

    9b1c9b60a858e29474d3c15cace3a67174f2dbebc19a75cc7532bf5c7f9dd6df

  • SHA512

    ea20f925c19121d82ec0e6607313a294fd31e0b79d1f7cacc24181c6457b1d5656ed7ec2ecf1254dc55a400d46f5eb25c9f74c00d4797bd4615f2b193c835f45

  • SSDEEP

    1536:HK6TCAOUIHvHwNPFLkGbziBhX/H1EZl7TErOTm0lSToBw5yi8Q:q6T5OUYQNNbW/vUHEKNwoBwH

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b1c9b60a858e29474d3c15cace3a67174f2dbebc19a75cc7532bf5c7f9dd6df.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b1c9b60a858e29474d3c15cace3a67174f2dbebc19a75cc7532bf5c7f9dd6df.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:1380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1380-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1380-56-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/1380-58-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB

  • memory/1380-60-0x0000000010000000-0x0000000010009000-memory.dmp

    Filesize

    36KB

  • memory/1380-61-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB

  • memory/1380-62-0x0000000000160000-0x000000000016A000-memory.dmp

    Filesize

    40KB