Overview

overview

9

Static

static

3

sigma.exe

windows10-1703-x64

9

sigma.exe

windows11-21h2-x64

1

Sharing

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General

  • Target

    sigma.exe

  • Size

    148KB

  • Sample

    240630-1lz8yszdjl

  • MD5

    26ae35605940373c1b0815fa3143264c

  • SHA1

    8d28d609ad19fcefb6949259d382a362e565a695

  • SHA256

    41d29d9ef72abb95bfced927f9c9a872fc00f8d035e6679ce6f98e1e0fedf006

  • SHA512

    eba7023a54199920114f28fc84ee7deaf1ef63f5368dc010b30a4d539d950ced176a85cb6a541198c02cf10158b81075c8f30da2d23f956d5bf56f31cc62d7f7

  • SSDEEP

    1536:9nkGTXCWARP1h4fdNQkagdgeHGPJwvWAOrMczD7dqvSLXWYY+oawmaKB+ufNOsAb:9kgLK1h4fdNQWxVuRbe1d4+u/klmg

Score
9/10
agilenetevasionthemida

Malware Config

Targets

    • Target

      sigma.exe

    • Size

      148KB

    • MD5

      26ae35605940373c1b0815fa3143264c

    • SHA1

      8d28d609ad19fcefb6949259d382a362e565a695

    • SHA256

      41d29d9ef72abb95bfced927f9c9a872fc00f8d035e6679ce6f98e1e0fedf006

    • SHA512

      eba7023a54199920114f28fc84ee7deaf1ef63f5368dc010b30a4d539d950ced176a85cb6a541198c02cf10158b81075c8f30da2d23f956d5bf56f31cc62d7f7

    • SSDEEP

      1536:9nkGTXCWARP1h4fdNQkagdgeHGPJwvWAOrMczD7dqvSLXWYY+oawmaKB+ufNOsAb:9kgLK1h4fdNQWxVuRbe1d4+u/klmg

    Score
    9/10
    agilenetevasionthemida

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

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks