General

  • Target
    SecuriteInfo.com.Win32.Evo-gen.95262865.exe
  • Size 4.9MB
  • Sample260811-jg9s6avthy
  • SHA256 b038b23220a6948af729f5fe9243481ab0a16e8a27378c08e1bc6eb51c7398ac
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • acrstealer

Version
  • 4.3.2-alpha3

C2
  • wss.infrastructurecore.cc

Decoy
  • keycdn.com

Attributes
  • guids

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

    019fddb7-f955-741d-9654-974f603f741d

  • 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
      SecuriteInfo.com.Win32.Evo-gen.95262865.exe
    • Size 4.9MB
    • SHA256 b038b23220a6948af729f5fe9243481ab0a16e8a27378c08e1bc6eb51c7398ac
    • 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