General

  • Target

    Documents for your perusal.js

  • Size

    290KB

  • Sample

    220616-gqwa1shad7

  • MD5

    aea6c9f795a0d2d9b3c04607264089db

  • SHA1

    12a0f096bb384a03a948d81ac40bf8acc5a51549

  • SHA256

    b4c23e9ce7984024ba96876bdb1b68b13b41ca70f77efab5e157c8ce130edd39

  • SHA512

    83201ec2c617e24edaccd3c9cde0486187ca0880bbea8fba95974ef386275d52c33564571d3f231e6ea750be33bc60c12fac2f0a9927f613f9a09e4224625338

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot5463029534:AAGQ1do_-JYjhQ1yKKugHhT9LGbrpA7291Y/sendMessage?chat_id=1604450602

Targets

    • Target

      Documents for your perusal.js

    • Size

      290KB

    • MD5

      aea6c9f795a0d2d9b3c04607264089db

    • SHA1

      12a0f096bb384a03a948d81ac40bf8acc5a51549

    • SHA256

      b4c23e9ce7984024ba96876bdb1b68b13b41ca70f77efab5e157c8ce130edd39

    • SHA512

      83201ec2c617e24edaccd3c9cde0486187ca0880bbea8fba95974ef386275d52c33564571d3f231e6ea750be33bc60c12fac2f0a9927f613f9a09e4224625338

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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.

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