Overview

overview

10

Static

static

3

Setup.exe

windows10-2004-x64

7

Setup.exe

windows10-ltsc_2021-x64

10

Setup.exe

windows11-21h2-x64

7

Setup.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Jriver-Media-Center-Crackproduct-Archive-11647.zip
  • Size 221.0MB
  • Sample260825-w96nesdn4z
  • SHA256 f3f049f3b979a80ec227ea124fef05da24a08ab7cd14758267a50d0970121f70
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
acrstealerdefense_evasiondiscoveryexecutionpersistencespywarestealer

Malware Config

Extracted

Family

  • acrstealer

Version

  • 4.3.7-alpha2

C2

  • health.indigowell.cc

Decoy

  • fonts.gstatic.com

Attributes
  • ddrs

    https://telegra.ph/Built-in-Types-08-01

  • guids

    f1575b64-8492-4e8b-b102-4d26e8c70371

    01a0353f-0ad2-7efa-8507-e484ee70ce02

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36

xor.hex

Targets

    • Target
      Setup.exe
    • Size 102KB
    • SHA256 7123e1514b939b165985560057fe3c761440a9fff9783a3b84e861fd2888d4ab
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionacrstealerpersistencespywarestealer

    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

      stealeracrstealer

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks