Overview

overview

9

Static

static

5566554.exe

windows7_x64

9

5566554.exe

windows10_x64

9

Sharing

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General

  • Target

    5566554.exe

  • Size

    16.1MB

  • Sample

    210122-pxsnyy5xe6

  • MD5

    24934cf064e46433dfd46748768f50aa

  • SHA1

    4fc217871854247510a2d13aa285fbb7ee13ed05

  • SHA256

    c0244966bbd12dae893167331e18d7b8778564ceee39d805309556a8a85e0ffe

  • SHA512

    7fa8afac244f02d646b7c493858887ad564d5d2434d32aae60d1a30df815b339fab8d2c98b60eea770dbcd0ead1cefe184baedb1074b4c9013ba50efa3085119

Score
9/10
evasionransomware

Malware Config

Targets

    • Target

      5566554.exe

    • Size

      16.1MB

    • MD5

      24934cf064e46433dfd46748768f50aa

    • SHA1

      4fc217871854247510a2d13aa285fbb7ee13ed05

    • SHA256

      c0244966bbd12dae893167331e18d7b8778564ceee39d805309556a8a85e0ffe

    • SHA512

      7fa8afac244f02d646b7c493858887ad564d5d2434d32aae60d1a30df815b339fab8d2c98b60eea770dbcd0ead1cefe184baedb1074b4c9013ba50efa3085119

    Score
    9/10
    evasionransomware

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • JavaScript code in executable

    • Enumerates physical storage devices

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

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks