General

  • Target

    ChromiumSetup.exe

  • Size

    53.4MB

  • Sample

    220510-nkceaagfg4

  • MD5

    23f274c4603006933988f05f62f53740

  • SHA1

    99cc34ad56bef4157824043b6c4472580f5a2828

  • SHA256

    ba77e50aca30982ce6913fdb23e650d93785bf5cbd31ae319c5ca91844aefcaa

  • SHA512

    90747903b25723cc4d8a669f55bb84478331433b4cf1c23de7f83aa4d6fd0bdca363f785615b49574c8467d0141f053358f5023ca3224364426168a5abe2285e

Malware Config

Targets

    • Target

      ChromiumSetup.exe

    • Size

      53.4MB

    • MD5

      23f274c4603006933988f05f62f53740

    • SHA1

      99cc34ad56bef4157824043b6c4472580f5a2828

    • SHA256

      ba77e50aca30982ce6913fdb23e650d93785bf5cbd31ae319c5ca91844aefcaa

    • SHA512

      90747903b25723cc4d8a669f55bb84478331433b4cf1c23de7f83aa4d6fd0bdca363f785615b49574c8467d0141f053358f5023ca3224364426168a5abe2285e

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks