Overview

overview

9

Static

static

1

YDArk_v1.0...ed.exe

windows7_x64

9

YDArk_v1.0...ed.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    YDArk_v1.0.2.5_Signed.exe

  • Size

    12.2MB

  • Sample

    220208-jtehsaegbn

  • MD5

    f5f5b4b49efcb241969cf0801fadfab9

  • SHA1

    d0afd2cba71fc552fd8fdf29f7dfef5f6aeab771

  • SHA256

    dfc15ebab23e83f752570cc7c6dd539aa4084adceee03d36b4446902f9f134fd

  • SHA512

    2282289c3467a5f3b39aa0ac2ccd6594ae991df767020ab9dce2e23a755b147cea15225b209adf14880fdd1f391f12c1cb1e6be0e9205259f6dbe1b332e6d9c7

Score
9/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      YDArk_v1.0.2.5_Signed.exe

    • Size

      12.2MB

    • MD5

      f5f5b4b49efcb241969cf0801fadfab9

    • SHA1

      d0afd2cba71fc552fd8fdf29f7dfef5f6aeab771

    • SHA256

      dfc15ebab23e83f752570cc7c6dd539aa4084adceee03d36b4446902f9f134fd

    • SHA512

      2282289c3467a5f3b39aa0ac2ccd6594ae991df767020ab9dce2e23a755b147cea15225b209adf14880fdd1f391f12c1cb1e6be0e9205259f6dbe1b332e6d9c7

    Score
    9/10
    evasionpersistencethemidatrojan

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

      evasion

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks