Overview

overview

8

Static

static

3

kcqvanzcsiaa.exe

windows10-2004-x64

8

kcqvanzcsiaa.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    kcqvanzcsiaa.exe
  • Size 2.7MB
  • Sample260118-x85keaev4a
  • SHA256 7885095cf66dce92b73043da0e47e123b9304e2f40d68ba6f882fac01d9b4dc2
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasionexecutionpersistence

Malware Config

Targets

    • Target
      kcqvanzcsiaa.exe
    • Size 2.7MB
    • SHA256 7885095cf66dce92b73043da0e47e123b9304e2f40d68ba6f882fac01d9b4dc2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    defense_evasionexecutionpersistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks BIOS information in registry

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

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks