Overview

overview

10

Static

static

10

source_prepared.exe

windows7-x64

7

source_prepared.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    source_prepared.exe

  • Size

    88.2MB

  • Sample

    250221-cq4j6s1jhq

  • MD5

    4b9a0c84463fac0eb7536b91121b79b0

  • SHA1

    ed7fe46396cb3abad6b523e116336e18e53da369

  • SHA256

    5ab340a4112d78ab0aa2719bade9dab1fff7bbc1f7553cf559d3d83f5a126190

  • SHA512

    fc8e3de4089223e533b1ed58426cede2bb3c3d3228ac5945f2540a7faf06bb039b5814f04a3c4de9c36aaf03f2b656c7668d95d23c2fd5f603858d89efd890e9

  • SSDEEP

    1572864:t2GKlDWj1bOkiqOv8im2AJiE7lbliEoiYgj+h58sMw+VE1wOh:tnK5ubOknOv8i3wxwE65iy1w

Score
10/10
pysilondefense_evasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      88.2MB

    • MD5

      4b9a0c84463fac0eb7536b91121b79b0

    • SHA1

      ed7fe46396cb3abad6b523e116336e18e53da369

    • SHA256

      5ab340a4112d78ab0aa2719bade9dab1fff7bbc1f7553cf559d3d83f5a126190

    • SHA512

      fc8e3de4089223e533b1ed58426cede2bb3c3d3228ac5945f2540a7faf06bb039b5814f04a3c4de9c36aaf03f2b656c7668d95d23c2fd5f603858d89efd890e9

    • SSDEEP

      1572864:t2GKlDWj1bOkiqOv8im2AJiE7lbliEoiYgj+h58sMw+VE1wOh:tnK5ubOknOv8i3wxwE65iy1w

    Score
    9/10
    upxdefense_evasionexecutionpersistence

    • 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.

      defense_evasion

    • Checks computer location settings

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

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks