Overview

overview

10

Static

static

10

source_prepared.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    source_prepared.exe

  • Size

    75.2MB

  • Sample

    241208-pyk41symfk

  • MD5

    0f85a61f6c362852e8d255e24e151241

  • SHA1

    967dca024a6b31ed665ffb189b5b74e44d2f335d

  • SHA256

    20bdfcdb33cbf92a9c9e893cac1bebb42bfe84254ae6cb7252cc84b5456e1705

  • SHA512

    b3ea22a87fdf4d56cb4cdc09c270f0d5165a00442fff1ca647f2c7937d14cb06f55ae8794fc31f18ebcc33203716ce7546d208b76549b3a24649142f7c1b4fce

  • SSDEEP

    1572864:L1l2WSSk8IpG7V+VPhqFxE7alh8qAiYweyJulZUdgg4DhckKd72:L1sJSkB05awFlLrpus4FYZ2

Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      75.2MB

    • MD5

      0f85a61f6c362852e8d255e24e151241

    • SHA1

      967dca024a6b31ed665ffb189b5b74e44d2f335d

    • SHA256

      20bdfcdb33cbf92a9c9e893cac1bebb42bfe84254ae6cb7252cc84b5456e1705

    • SHA512

      b3ea22a87fdf4d56cb4cdc09c270f0d5165a00442fff1ca647f2c7937d14cb06f55ae8794fc31f18ebcc33203716ce7546d208b76549b3a24649142f7c1b4fce

    • SSDEEP

      1572864:L1l2WSSk8IpG7V+VPhqFxE7alh8qAiYweyJulZUdgg4DhckKd72:L1sJSkB05awFlLrpus4FYZ2

    Score
    9/10
    evasionexecutionpersistenceupx

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks