Overview

overview

10

Static

static

7

ldr_37Q9.exe

windows11-21h2-x64

10

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General

  • Target

    ldr_37Q9.exe

  • Size

    22.8MB

  • Sample

    240521-1tc4dsbf59

  • MD5

    f775faca16d1b2838c5791143b8922df

  • SHA1

    458cda4c1ac20baef0b78e1e825db67208375cb4

  • SHA256

    7e2d0dde21a16920961db184e4b6e8a7c9632ab648bb64c0121d995181f385cf

  • SHA512

    15743e0d941684897c4703b1738aeb6cdb8e25f9a1cd529d82828f85d9efb37a111581d25db27464c89ad1bb99e043dea143448614077c306b0b98ae1fa77bae

  • SSDEEP

    393216:MUfnewiuTWW//yUcTCCnfk5M60cr0zCLRUJhmeA71q983HgROYx5OJ5b:MGnFlWW/u1nMn0cr0zI1qy3HgROHJt

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      ldr_37Q9.exe

    • Size

      22.8MB

    • MD5

      f775faca16d1b2838c5791143b8922df

    • SHA1

      458cda4c1ac20baef0b78e1e825db67208375cb4

    • SHA256

      7e2d0dde21a16920961db184e4b6e8a7c9632ab648bb64c0121d995181f385cf

    • SHA512

      15743e0d941684897c4703b1738aeb6cdb8e25f9a1cd529d82828f85d9efb37a111581d25db27464c89ad1bb99e043dea143448614077c306b0b98ae1fa77bae

    • SSDEEP

      393216:MUfnewiuTWW//yUcTCCnfk5M60cr0zCLRUJhmeA71q983HgROYx5OJ5b:MGnFlWW/u1nMn0cr0zI1qy3HgROHJt

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

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

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks