Overview

overview

10

Static

static

d2c34c179c...a8.exe

windows7_x64

10

d2c34c179c...a8.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    d2c34c179cf1892e5b8c6243db348d09090c14622dd069589f21fef3d2c171a8

  • Size

    3.3MB

  • Sample

    220520-1vch9ahebr

  • MD5

    f402c0307b58cfdf41835eb11df774ec

  • SHA1

    7000c5f2bc10a560c799665a1fa381b58fd8fa1e

  • SHA256

    d2c34c179cf1892e5b8c6243db348d09090c14622dd069589f21fef3d2c171a8

  • SHA512

    5e0f77c858cf16b3590a989645712f60ce0c4d0d1dc3e7b8c5763006c399629f9c2c06d2a12ae908ce4c6c4ace599d89634a7e0d71acc53188908d97fc138613

Score
10/10
evasionpersistencesuricata

Malware Config

Targets

    • Target

      d2c34c179cf1892e5b8c6243db348d09090c14622dd069589f21fef3d2c171a8

    • Size

      3.3MB

    • MD5

      f402c0307b58cfdf41835eb11df774ec

    • SHA1

      7000c5f2bc10a560c799665a1fa381b58fd8fa1e

    • SHA256

      d2c34c179cf1892e5b8c6243db348d09090c14622dd069589f21fef3d2c171a8

    • SHA512

      5e0f77c858cf16b3590a989645712f60ce0c4d0d1dc3e7b8c5763006c399629f9c2c06d2a12ae908ce4c6c4ace599d89634a7e0d71acc53188908d97fc138613

    Score
    10/10
    evasionpersistencesuricata

    • suricata: ET MALWARE DCRat Initial CnC Activity

      suricata: ET MALWARE DCRat Initial CnC Activity

      suricata

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

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Identifies Wine through registry keys

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

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

2
T1497

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks