General

  • Target

    e4877fdceffd87cec166b266532a431e0d5e7644d950ce9566d2f14bc18be5e2.exe

  • Size

    3.0MB

  • Sample

    240514-cbgrvsee31

  • MD5

    097a014e9066d6a4dd30e057e18eb511

  • SHA1

    2baa37cdc9b69e4083fdf468240cbacb1f2851ae

  • SHA256

    e4877fdceffd87cec166b266532a431e0d5e7644d950ce9566d2f14bc18be5e2

  • SHA512

    3409f75f0d073146410ebf31f487626e0c5fc01abb962f56b673256e72981f3e4f5c063e6690feeff1b2937bd14b453c38823242c9dee9e607fe63888d9ad627

  • SSDEEP

    49152:HzcK4Uk57r6mnw8fqFEIawGt2jlobG+FVSA7tffhpZ4F/3:HzvMWmnZSVawGtjHFVS8ffDZ4J

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      e4877fdceffd87cec166b266532a431e0d5e7644d950ce9566d2f14bc18be5e2.exe

    • Size

      3.0MB

    • MD5

      097a014e9066d6a4dd30e057e18eb511

    • SHA1

      2baa37cdc9b69e4083fdf468240cbacb1f2851ae

    • SHA256

      e4877fdceffd87cec166b266532a431e0d5e7644d950ce9566d2f14bc18be5e2

    • SHA512

      3409f75f0d073146410ebf31f487626e0c5fc01abb962f56b673256e72981f3e4f5c063e6690feeff1b2937bd14b453c38823242c9dee9e607fe63888d9ad627

    • SSDEEP

      49152:HzcK4Uk57r6mnw8fqFEIawGt2jlobG+FVSA7tffhpZ4F/3:HzvMWmnZSVawGtjHFVS8ffDZ4J

    • Detect Vidar Stealer

    • Detect ZGRat V1

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing potential Windows Defender anti-emulation checks

    • Detects executables packed with unregistered version of .NET Reactor

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Loads dropped DLL

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks