Overview

overview

6

Static

static

13037b749a...33.dll

windows7_x64

6

13037b749a...33.dll

windows10-2004_x64

6

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    08-03-2022 14:38

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General

  • Target

    13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll

  • Size

    219KB

  • MD5

    ecce8845921a91854ab34bff2623151e

  • SHA1

    736a4cfad1ed83a6a0b75b0474d5e01a3a36f950

  • SHA256

    13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033

  • SHA512

    36fda34df70629d054a55823a3cc83f9599446b36576fbc86a6aac6564460789e8b141eeb168d3e4578f28182da874dd840e57b642af1a1a315dfe08a17b53e0

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 1 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.

    bootkitpersistence
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#1
      2⤵
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      PID:2068

Network

MITRE ATT&CK Enterprise v6

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Downloads