General

  • Target

    AWB15062022.js

  • Size

    512KB

  • Sample

    220616-hel4msfcbl

  • MD5

    7e151e208de35b5a41db278b3cf0c5b3

  • SHA1

    65f43e422b7eb98d7ec4ba37b259d05c1a2d8f4b

  • SHA256

    c5c7f846d0827315b9b120e873703cf986109ddffc986387fc66e32e6c0e5534

  • SHA512

    04b1d02fb14ec2c8011e4fc42e53cead12d6acddb8fb856b8367fa83ee5d3481898a26020255562133a37f8d7c6a232b20247b980f84310dbd105a23788d6dd4

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5391573401:AAGU5n0aN7puxUq5oVT1MVi83gk5owTXei0/sendMessage?chat_id=1962160861

Targets

    • Target

      AWB15062022.js

    • Size

      512KB

    • MD5

      7e151e208de35b5a41db278b3cf0c5b3

    • SHA1

      65f43e422b7eb98d7ec4ba37b259d05c1a2d8f4b

    • SHA256

      c5c7f846d0827315b9b120e873703cf986109ddffc986387fc66e32e6c0e5534

    • SHA512

      04b1d02fb14ec2c8011e4fc42e53cead12d6acddb8fb856b8367fa83ee5d3481898a26020255562133a37f8d7c6a232b20247b980f84310dbd105a23788d6dd4

    • 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