General

  • Target

    File.bin

  • Size

    4.8MB

  • Sample

    220620-vtd3ssfhfk

  • MD5

    c38b1f5087b560432a9e4d401c9c7c7b

  • SHA1

    7bd99ddd2e3b5836317d04c506f1cc89a5f90436

  • SHA256

    f072f7896731668ac389aa1d7da8c1d12a858bcf58b6ef8d023ffa78ef3f4023

  • SHA512

    f09ed2df81cedf1767c5479f7a4f4c322e8c050b4ab5ccbbb8eb8ba87bcc188d67a7cb78a3c6c9a957d6bd1b9f8d9377e43b06ed464408faf3dce95a8a5c585a

Malware Config

Targets

    • Target

      File.bin

    • Size

      4.8MB

    • MD5

      c38b1f5087b560432a9e4d401c9c7c7b

    • SHA1

      7bd99ddd2e3b5836317d04c506f1cc89a5f90436

    • SHA256

      f072f7896731668ac389aa1d7da8c1d12a858bcf58b6ef8d023ffa78ef3f4023

    • SHA512

      f09ed2df81cedf1767c5479f7a4f4c322e8c050b4ab5ccbbb8eb8ba87bcc188d67a7cb78a3c6c9a957d6bd1b9f8d9377e43b06ed464408faf3dce95a8a5c585a

    • Modifies Windows Defender Real-time Protection settings

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks