General

  • Target

    e4ef7fd36fe35a933c6ac97a274a0598a78cfb4f5144525c0ad25d5b55f1a3a4

  • Size

    804KB

  • Sample

    220330-c75hssehh5

  • MD5

    277d2552513e4d0d0b60ee61d55f0e37

  • SHA1

    9c556c184ea92857197a3934b894660e3416b30e

  • SHA256

    e4ef7fd36fe35a933c6ac97a274a0598a78cfb4f5144525c0ad25d5b55f1a3a4

  • SHA512

    fa76bd9b0c1e477d3dd8ad78e38cb9efc5088bc83e2eb54812062cdbd1191700634cb3443b704de3aecec6fcf714840473d7eeda3f3cf5a7a606637b0aab4b82

Malware Config

Targets

    • Target

      e4ef7fd36fe35a933c6ac97a274a0598a78cfb4f5144525c0ad25d5b55f1a3a4

    • Size

      804KB

    • MD5

      277d2552513e4d0d0b60ee61d55f0e37

    • SHA1

      9c556c184ea92857197a3934b894660e3416b30e

    • SHA256

      e4ef7fd36fe35a933c6ac97a274a0598a78cfb4f5144525c0ad25d5b55f1a3a4

    • SHA512

      fa76bd9b0c1e477d3dd8ad78e38cb9efc5088bc83e2eb54812062cdbd1191700634cb3443b704de3aecec6fcf714840473d7eeda3f3cf5a7a606637b0aab4b82

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks