General

  • Target

    MSDS.exe

  • Size

    757KB

  • Sample

    230327-qp589sff8x

  • MD5

    384a95dec71c1e1ed31fdc9ad73a2cc9

  • SHA1

    2a8ac435a88370321fed8c1b926c2a0776432390

  • SHA256

    85ba590703be8d34e03c30174d9998a460e19344f4fadcd85e964a7f3d8a03e3

  • SHA512

    9f7e80ae4ae33cdd7c35cf4c1da08640cd83156628a9f8222fe58884366b79e42cad4798826076506ad2aa3fff3462ef0c577e52f955baec453807e8fde49297

  • SSDEEP

    12288:FA5CB0OOJBefPNJSigcqFEVSKyZXV+U2KhMLKnVexXXEnMuI0jtARUiIMso+aSrp:FA5aIJBefPn66vIMZLKnYXVuyRHa1D

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

      757KB

    • MD5

      384a95dec71c1e1ed31fdc9ad73a2cc9

    • SHA1

      2a8ac435a88370321fed8c1b926c2a0776432390

    • SHA256

      85ba590703be8d34e03c30174d9998a460e19344f4fadcd85e964a7f3d8a03e3

    • SHA512

      9f7e80ae4ae33cdd7c35cf4c1da08640cd83156628a9f8222fe58884366b79e42cad4798826076506ad2aa3fff3462ef0c577e52f955baec453807e8fde49297

    • SSDEEP

      12288:FA5CB0OOJBefPNJSigcqFEVSKyZXV+U2KhMLKnVexXXEnMuI0jtARUiIMso+aSrp:FA5aIJBefPn66vIMZLKnYXVuyRHa1D

    • 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