General

  • Target

    d04bf8b1677e02ada795c9a0e84abfca0ba2c1565736e9f34115783af32be764.rtf

  • Size

    14KB

  • Sample

    221129-v99jmsbb72

  • MD5

    f2de9aa2a7a3c9890d2f799adc95c35b

  • SHA1

    404dabf3e31da0bbf666df6397f803983961794f

  • SHA256

    d04bf8b1677e02ada795c9a0e84abfca0ba2c1565736e9f34115783af32be764

  • SHA512

    46dde73a4611e2f99f6ddb8676442f1b6c93c659e61d43cf4bdc4cae331ff57396b363f2116297224b551c88743ae55261acc3e25d03d240fd195094457954f8

  • SSDEEP

    384:JR3Il9FfS6+D+uk/LQn9ze6faYZ0pzTOv2ZgLo:LIlfIyuBe4iTOeZgLo

Malware Config

Targets

    • Target

      d04bf8b1677e02ada795c9a0e84abfca0ba2c1565736e9f34115783af32be764.rtf

    • Size

      14KB

    • MD5

      f2de9aa2a7a3c9890d2f799adc95c35b

    • SHA1

      404dabf3e31da0bbf666df6397f803983961794f

    • SHA256

      d04bf8b1677e02ada795c9a0e84abfca0ba2c1565736e9f34115783af32be764

    • SHA512

      46dde73a4611e2f99f6ddb8676442f1b6c93c659e61d43cf4bdc4cae331ff57396b363f2116297224b551c88743ae55261acc3e25d03d240fd195094457954f8

    • SSDEEP

      384:JR3Il9FfS6+D+uk/LQn9ze6faYZ0pzTOv2ZgLo:LIlfIyuBe4iTOeZgLo

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • 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

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks