Overview

overview

9

Static

static

N-72kzbfcz 2d2e1q.msi

windows7_x64

8

N-72kzbfcz 2d2e1q.msi

windows10-2004_x64

9

Sharing

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General

  • Target

    N-72kzbfcz 2d2e1q.msi

  • Size

    952KB

  • Sample

    220203-lg4cgsfbc6

  • MD5

    7d577d8a871c7340f56660b1e4389601

  • SHA1

    6e2a1cb4eb564634baab2c1649fdaed7f92d7943

  • SHA256

    56e791cc8e07df049102c8d489a27c08ce231b90ac97eb97c741ddeb236fec24

  • SHA512

    03a1693e8f4be065bb4e84ff7c8e56e4c2e3a59092c38a0d503fe30032f5d67d2f0cab75dbe36751da456015ef1f7d81d343d6253fc418f661c4003c0eaae72c

Score
9/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      N-72kzbfcz 2d2e1q.msi

    • Size

      952KB

    • MD5

      7d577d8a871c7340f56660b1e4389601

    • SHA1

      6e2a1cb4eb564634baab2c1649fdaed7f92d7943

    • SHA256

      56e791cc8e07df049102c8d489a27c08ce231b90ac97eb97c741ddeb236fec24

    • SHA512

      03a1693e8f4be065bb4e84ff7c8e56e4c2e3a59092c38a0d503fe30032f5d67d2f0cab75dbe36751da456015ef1f7d81d343d6253fc418f661c4003c0eaae72c

    Score
    9/10
    evasionpersistencethemidatrojan

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

      evasion

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Sets service image path in registry

      persistence

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks