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Overview

overview

10

Static

static

10

2c0cc2b4e2...25.exe

windows7-x64

10

2c0cc2b4e2...25.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 16:09

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General

  • Target

    2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

  • Size

    714KB

  • MD5

    41c59cfbda48bcaddaf65dfd27a724eb

  • SHA1

    996304175bf1ddc556544f9e58d4f73e4c24c5fc

  • SHA256

    2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625

  • SHA512

    d70fe2492023a07f8308787ddb53aedc5ec0a3eb84faf982a136fe08b3b0ce773d52ce8179a6207fbd881d8bbd93280358620af2f41e4d8c8270650b3dc2a8dc

  • SSDEEP

    12288:aaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdu:7AEENIq8XwyVPQclDq/+WnpsSu

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
    "C:\Users\Admin\AppData\Local\Temp\2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\explorer.exe
    Filesize

    4.2MB

    MD5

    0155e85852fde62a441cbaf485e023be

    SHA1

    59482d4b1c0f061426ef71bff8506230faa00701

    SHA256

    e0689419d3d7879a229ecf3e74639e4e9ba0669ed4574f47b108097593fc9fbc

    SHA512

    f1a43adb7b0203dc5ad4613da9645070c4da0d15d8788b50644cb80420d4a38151488aa3888da39a6cb17ef6d3f5ebc5fe08ac948dca1fd0c852dceecd3bafff

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