Overview

overview

10

Static

static

dllhost.exe

windows7_x64

10

dllhost.exe

windows10_x64

10

Sharing

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General

  • Target

    dllhost.exe

  • Size

    1.8MB

  • Sample

    210128-nka86sx582

  • MD5

    51710e06bbd844ae2b0494e5c142dcbe

  • SHA1

    68d8378d23edc21b09be4d56e443a4204c749b6a

  • SHA256

    dc1649633cb90b8456c19c1b53675ad07d0bf2774d33b8c8f650f1e65489d6fc

  • SHA512

    eac92e729da84e54c5f010f5cbf87d280a901745e19608187563229c0b0222c2b23c6571ee9843a7664cb7b245d66e961fb3f540ba0c4ddb0eb58e05b614c50c

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Targets

    • Target

      dllhost.exe

    • Size

      1.8MB

    • MD5

      51710e06bbd844ae2b0494e5c142dcbe

    • SHA1

      68d8378d23edc21b09be4d56e443a4204c749b6a

    • SHA256

      dc1649633cb90b8456c19c1b53675ad07d0bf2774d33b8c8f650f1e65489d6fc

    • SHA512

      eac92e729da84e54c5f010f5cbf87d280a901745e19608187563229c0b0222c2b23c6571ee9843a7664cb7b245d66e961fb3f540ba0c4ddb0eb58e05b614c50c

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

      keyloggertrojanstealerspywarenanocore

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

      evasion

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks