Overview

overview

10

Static

static

7

Unlocker_2.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Unlocker_2.exe

  • Size

    3.4MB

  • Sample

    240522-fwh27sdb8v

  • MD5

    9b25d73c3a94e37f07fd23154e004c8b

  • SHA1

    8ef59559d03711ca7f2185e98039aecdb11e6162

  • SHA256

    e65c8c69d128676f200db5ae91937aa4152fd93fb66e8098972ce33f3f029226

  • SHA512

    c5c3cd962290dff48cdadf98e249577c762bac978dc138fd1e9fc00ea02e504e0f632a6b04db56f3d0224a3a8cdf0ba12ead2983d52c9ecde354f75eae717e92

  • SSDEEP

    49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxj3GT0DZ8oNZ+O93+xaj:Mxx9NUFkQx753uWuCyyxaCruQ

Score
10/10
evasionexecutionpersistencethemidatrojan

Malware Config

Targets

    • Target

      Unlocker_2.exe

    • Size

      3.4MB

    • MD5

      9b25d73c3a94e37f07fd23154e004c8b

    • SHA1

      8ef59559d03711ca7f2185e98039aecdb11e6162

    • SHA256

      e65c8c69d128676f200db5ae91937aa4152fd93fb66e8098972ce33f3f029226

    • SHA512

      c5c3cd962290dff48cdadf98e249577c762bac978dc138fd1e9fc00ea02e504e0f632a6b04db56f3d0224a3a8cdf0ba12ead2983d52c9ecde354f75eae717e92

    • SSDEEP

      49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxj3GT0DZ8oNZ+O93+xaj:Mxx9NUFkQx753uWuCyyxaCruQ

    Score
    10/10
    evasionexecutionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

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

      evasion

    • Stops running service(s)

      evasionexecution

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks