General

  • Target

    59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab

  • Size

    603KB

  • Sample

    220724-f4ysmagfe9

  • MD5

    b093dda14ab2bcceaf790f760db88d6c

  • SHA1

    36e9e7b9251fff0ef819c0b70d21f0d606c2a543

  • SHA256

    59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab

  • SHA512

    a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f

Malware Config

Targets

    • Target

      59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab

    • Size

      603KB

    • MD5

      b093dda14ab2bcceaf790f760db88d6c

    • SHA1

      36e9e7b9251fff0ef819c0b70d21f0d606c2a543

    • SHA256

      59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab

    • SHA512

      a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks