Overview

overview

10

Static

static

7

b741574c43...5b.exe

windows7_x64

10

b741574c43...5b.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b741574c43d9af88a6b410ae8d8bd175fbbb12f55b189e05be36ff923844d75b

  • Size

    5.2MB

  • Sample

    220211-fnt5hacfhm

  • MD5

    a3578b5feeea4db90bcb5315f769e84d

  • SHA1

    436a4a014f91c138ed9019c58c5c98ada78a7f4f

  • SHA256

    b741574c43d9af88a6b410ae8d8bd175fbbb12f55b189e05be36ff923844d75b

  • SHA512

    535a9e5a816025c2c296976561827b7c2da468bf32d168a248e1a3152cd1e65b0b07680198faa4bf1e51de6b816fc2807d37fce5526afd603ca1cd3e653ca62f

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      b741574c43d9af88a6b410ae8d8bd175fbbb12f55b189e05be36ff923844d75b

    • Size

      5.2MB

    • MD5

      a3578b5feeea4db90bcb5315f769e84d

    • SHA1

      436a4a014f91c138ed9019c58c5c98ada78a7f4f

    • SHA256

      b741574c43d9af88a6b410ae8d8bd175fbbb12f55b189e05be36ff923844d75b

    • SHA512

      535a9e5a816025c2c296976561827b7c2da468bf32d168a248e1a3152cd1e65b0b07680198faa4bf1e51de6b816fc2807d37fce5526afd603ca1cd3e653ca62f

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • 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.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks