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Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23/10/2023, 17:40

General

  • Target

    29d86377ab1b8f4167aa1635fb27aa88144b831de08f7eb0c674c5008d1ebd9d.dll

  • Size

    240KB

  • MD5

    7a80cf9a5d63c498231ee4006edfcc72

  • SHA1

    b22ec6e91a8b7f20025073cd4f9922942e371412

  • SHA256

    29d86377ab1b8f4167aa1635fb27aa88144b831de08f7eb0c674c5008d1ebd9d

  • SHA512

    581cb1307c95a679e6246af60cc962467804d19c116e9f7e041c2f52a2a9e15bfec378d285449ed847df9d158ccae063a3cf837e33928405cb1474050775aed5

  • SSDEEP

    6144:65r3lV6n42+3WSKhxD8RVo2rcaGKNqAwyotp21:6C+3xWDY9IpKNTwyom

Malware Config

Signatures

  • Blocklisted process makes network request 8 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d86377ab1b8f4167aa1635fb27aa88144b831de08f7eb0c674c5008d1ebd9d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\29d86377ab1b8f4167aa1635fb27aa88144b831de08f7eb0c674c5008d1ebd9d.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2132-0-0x0000000010000000-0x000000001008E000-memory.dmp

    Filesize

    568KB

  • memory/2132-1-0x0000000010000000-0x000000001008E000-memory.dmp

    Filesize

    568KB

  • memory/2132-4-0x0000000010000000-0x000000001008E000-memory.dmp

    Filesize

    568KB