Overview

overview

10

Static

static

7

Loader.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Loader.exe

  • Size

    3.4MB

  • Sample

    240522-fn3fwacf68

  • MD5

    31718a8cc11d08a8d32292ce022b67e0

  • SHA1

    6714f288d498562f8dbb8e3a2e9ee3d20d71c658

  • SHA256

    66c3dd691e89e216bae7b3dd20598b80469bd868267183eb21acab5a563a4ea9

  • SHA512

    477651c024c4bb3f364cc1fff28382fb5b33ac76d1c138e31846ce3afcd602d40014ab622bbf6418a69075311d76aed52c72fee90bbedbdf15b85859e75329a2

  • SSDEEP

    49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxNL9bzjEj+O93+xr:Mxx9NUFkQx753uWuCyyxXOru9

Score
10/10
evasionexecutionpersistencethemidatrojan

Malware Config

Targets

    • Target

      Loader.exe

    • Size

      3.4MB

    • MD5

      31718a8cc11d08a8d32292ce022b67e0

    • SHA1

      6714f288d498562f8dbb8e3a2e9ee3d20d71c658

    • SHA256

      66c3dd691e89e216bae7b3dd20598b80469bd868267183eb21acab5a563a4ea9

    • SHA512

      477651c024c4bb3f364cc1fff28382fb5b33ac76d1c138e31846ce3afcd602d40014ab622bbf6418a69075311d76aed52c72fee90bbedbdf15b85859e75329a2

    • SSDEEP

      49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxNL9bzjEj+O93+xr:Mxx9NUFkQx753uWuCyyxXOru9

    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