General

  • Target

    MSDS.exe

  • Size

    755KB

  • Sample

    230328-qt3zpsbc68

  • MD5

    588d3c0d6f86bdb1d426bac5d37bcaf7

  • SHA1

    89a3362a92e60662754251e08566e7bef0629a21

  • SHA256

    e7549401654dedc2a2064ccaaf8301c753c76b0f71f208c0d819f2a56ab8949f

  • SHA512

    c387d8f56ace34c97a9bffc9e53b558baef8e8817005a3f406bb9694984e5e33f22081c20b43447b814e16258ed592a086efaa3b80b51226d3e07c1fb51a9fb7

  • SSDEEP

    12288:uUdKdJVZz5dbQgG5K88k5eiFLOKJGiSpKqZIZw/q5oY9NVPQnls7bmavKYX7:uUCVZ9e5K255L1ypKqZe/5oY9NVPglgP

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    mbown@valleycountysar.org
  • Password:
    }eQA)VL2!$V}

Targets

    • Target

      MSDS.exe

    • Size

      755KB

    • MD5

      588d3c0d6f86bdb1d426bac5d37bcaf7

    • SHA1

      89a3362a92e60662754251e08566e7bef0629a21

    • SHA256

      e7549401654dedc2a2064ccaaf8301c753c76b0f71f208c0d819f2a56ab8949f

    • SHA512

      c387d8f56ace34c97a9bffc9e53b558baef8e8817005a3f406bb9694984e5e33f22081c20b43447b814e16258ed592a086efaa3b80b51226d3e07c1fb51a9fb7

    • SSDEEP

      12288:uUdKdJVZz5dbQgG5K88k5eiFLOKJGiSpKqZIZw/q5oY9NVPQnls7bmavKYX7:uUCVZ9e5K255L1ypKqZe/5oY9NVPglgP

    • 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

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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