Resubmissions

07/08/2026, 20:16

260807-y14htawscs10

07/08/2026, 20:06

260807-yvsjcsv1ew10

General

  • Target
    setup_patched.exe
  • Size 2.1MB
  • Sample260807-yvsjcsv1ew
  • SHA256 cb336a6e3fc0e9aa62b5768bffc207c09b372546636a5c58057a1b6d0708df06
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • acrstealer

Version
  • 4.2.4-alpha2

C2
  • res.explicittweak.cc

Decoy
  • cdn.nswd.co

Attributes
  • guids

    f1575b64-8492-4e8b-b102-4d26e8c70371

    019dc9b4-32f7-73fb-afbb-d00079d4343e

  • 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_patched.exe
    • Size 2.1MB
    • SHA256 cb336a6e3fc0e9aa62b5768bffc207c09b372546636a5c58057a1b6d0708df06
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks