General

  • Target
    Setup.exe
  • Size 304.4MB
  • Sample221018-b9bstsecck
  • SHA256 e58df6719823d607f8df583b55f35c5413241d902459e7f3375108b4bbd88ca1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • [<

Targets

    • Target
      Setup.exe
    • Size 304.4MB
    • SHA256 e58df6719823d607f8df583b55f35c5413241d902459e7f3375108b4bbd88ca1
    • MD5 SHA1 SHA512 SSDEEP
    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v6

Tasks