General

  • Target

    e904549acf0d6ce058e9fd5737bbfdeb51bf658533c7c827cbe2d650c2be2d03.exe

  • Size

    5.2MB

  • Sample

    210120-qbe8ygy32n

  • MD5

    50350140508f84f7092836e4b135d47d

  • SHA1

    e4005669f65c4bf1dbcc9e5a237364b4d37086ba

  • SHA256

    e904549acf0d6ce058e9fd5737bbfdeb51bf658533c7c827cbe2d650c2be2d03

  • SHA512

    db4b29a8070693c938009a04218b9dc8a2fc1b104d21388c2e25eef32ad266ee8ba8ca87a75fc84adb7b6d6665a0bf1700914e5179824909764fdceeb5c5067a

Malware Config

Targets

    • Target

      e904549acf0d6ce058e9fd5737bbfdeb51bf658533c7c827cbe2d650c2be2d03.exe

    • Size

      5.2MB

    • MD5

      50350140508f84f7092836e4b135d47d

    • SHA1

      e4005669f65c4bf1dbcc9e5a237364b4d37086ba

    • SHA256

      e904549acf0d6ce058e9fd5737bbfdeb51bf658533c7c827cbe2d650c2be2d03

    • SHA512

      db4b29a8070693c938009a04218b9dc8a2fc1b104d21388c2e25eef32ad266ee8ba8ca87a75fc84adb7b6d6665a0bf1700914e5179824909764fdceeb5c5067a

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

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

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks