Resubmissions

29-11-2022 10:18

221129-mbzyjsch8x 10

29-11-2022 10:09

221129-l6zetsce6v 1

29-11-2022 10:08

221129-l6g6jshe94 1

29-11-2022 09:59

221129-l1gb3ahb47 1

29-11-2022 09:41

221129-ln8ksagb96 1

General

  • Target

    Swift Copy#45362.pdf

  • Size

    1.9MB

  • Sample

    221129-mbzyjsch8x

  • MD5

    224683fc01187cb3aa3cc0d9d355783d

  • SHA1

    280160a249a71e812d47b589121483e35be74562

  • SHA256

    3bfa6f5d089ba31cc497052c84fd300a94d2a995a715f6efb28be19f9a88fd7b

  • SHA512

    84ae1b4a25d6c242d1a699caafd1d947dcb5a156782e20262fbb6808e32e3db389317dd2ec962b8c94844df3be5882bae305883145726c1d3813e72e480937be

  • SSDEEP

    49152:oWALMAuRY8EuEqT/cX34Rl5ajr6POMJ/g7XBG:hFEdnOjVJ4VG

Malware Config

Targets

    • Target

      Swift Copy#45362.pdf

    • Size

      1.9MB

    • MD5

      224683fc01187cb3aa3cc0d9d355783d

    • SHA1

      280160a249a71e812d47b589121483e35be74562

    • SHA256

      3bfa6f5d089ba31cc497052c84fd300a94d2a995a715f6efb28be19f9a88fd7b

    • SHA512

      84ae1b4a25d6c242d1a699caafd1d947dcb5a156782e20262fbb6808e32e3db389317dd2ec962b8c94844df3be5882bae305883145726c1d3813e72e480937be

    • SSDEEP

      49152:oWALMAuRY8EuEqT/cX34Rl5ajr6POMJ/g7XBG:hFEdnOjVJ4VG

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Checks computer location settings

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

    • 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

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks