Overview

overview

9

Static

static

3

17ce8b653c...3f.exe

windows7-x64

9

17ce8b653c...3f.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    17ce8b653c4935b7bdf917bf557196ba7bb1823efdc288b763cbef66076eba3f

  • Size

    5.2MB

  • Sample

    240630-xszdfswdrn

  • MD5

    87ef3527cf7401308dc30288b947e602

  • SHA1

    993b93af240488b27d9899afcbe93245d476f29a

  • SHA256

    17ce8b653c4935b7bdf917bf557196ba7bb1823efdc288b763cbef66076eba3f

  • SHA512

    86e10e250bcf0df6da9347de7117305c633b22e428ce1cf1acd8bb2824d9b0733d6de0ab77877024abbd9162ec9c9771a1a1855a7d1e40ba18f630bce8dd84f9

  • SSDEEP

    98304:iEly4+oidoxQyDeSGM6dChKuVnFQVa/+NcEhNDEKv+J9CZpBPImfNE7dqjYPf:iElHmd8DeSGjOXnGurEhhxv+axIkwYq

Score
9/10
bootkitevasionpersistence

Malware Config

Targets

    • Target

      17ce8b653c4935b7bdf917bf557196ba7bb1823efdc288b763cbef66076eba3f

    • Size

      5.2MB

    • MD5

      87ef3527cf7401308dc30288b947e602

    • SHA1

      993b93af240488b27d9899afcbe93245d476f29a

    • SHA256

      17ce8b653c4935b7bdf917bf557196ba7bb1823efdc288b763cbef66076eba3f

    • SHA512

      86e10e250bcf0df6da9347de7117305c633b22e428ce1cf1acd8bb2824d9b0733d6de0ab77877024abbd9162ec9c9771a1a1855a7d1e40ba18f630bce8dd84f9

    • SSDEEP

      98304:iEly4+oidoxQyDeSGM6dChKuVnFQVa/+NcEhNDEKv+J9CZpBPImfNE7dqjYPf:iElHmd8DeSGjOXnGurEhhxv+axIkwYq

    Score
    9/10
    bootkitevasionpersistence

    • Detects executables packed with Dotfuscator

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

      evasion

    • UPX dump on OEP (original entry point)

    • Identifies Wine through registry keys

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

      evasion

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks