General

  • Target
    QuickFetch.exe
  • Size 3.9MB
  • Sample260807-yl6dvsbq7t
  • SHA256 ed71b72c1e0d19a627fea10181438779fb02bcfcd67870ce57e363a7c5168e94
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • acrstealer

Version
  • 4.3.1-alpha1

C2
  • dl.connectivityplatform.cc

Decoy
  • stackpathcdn.com

Attributes
  • guids

    a6cdcc0b-6b38-49d6-9672-20be114d9eba

    019fd9e0-e083-73aa-b5db-18325c05ddac

  • 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
      QuickFetch.exe
    • Size 3.9MB
    • SHA256 ed71b72c1e0d19a627fea10181438779fb02bcfcd67870ce57e363a7c5168e94
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks