Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://send.exploit...

windows11-21h2-x64

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General

  • Target

    https://send.exploit.in/download/1a9b2191984265bc/#_MbqMblU2kGpJUkHjL4aVg

  • Sample

    241004-cerq8sybqr

Score
10/10
infinitylockbootkitdefense_evasiondiscoverypersistenceransomwareupx

Malware Config

Targets

    • Target

      https://send.exploit.in/download/1a9b2191984265bc/#_MbqMblU2kGpJUkHjL4aVg

    Score
    10/10
    infinitylockbootkitdefense_evasiondiscoverypersistenceransomwareupx

    • InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

      ransomwareinfinitylock

    • Renames multiple (171) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks