General

  • Target

    a569143fb486224eafbd810733838c53.exe

  • Size

    988KB

  • Sample

    210121-sz6ensrm8a

  • MD5

    a569143fb486224eafbd810733838c53

  • SHA1

    69cfb0ef26c1ee25590453cb5531e5fec347de04

  • SHA256

    10e0e68a368fcfca75516ac7814e87a388ff5047964a0501a3cb75d9330b3eb8

  • SHA512

    67f60a853a016d47ec8a58f46abcae6dd102304db907478d589d5388a7b684b8b4779d7dbe9cb0d2dc9ab48c4902f8d48d35dff31cc0405796d38ba084199b8e

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    pro40.emailserver.vn
  • Port:
    587
  • Username:
    vexa@itpc.gov.vn
  • Password:
    Vexa@2013

Targets

    • Target

      a569143fb486224eafbd810733838c53.exe

    • Size

      988KB

    • MD5

      a569143fb486224eafbd810733838c53

    • SHA1

      69cfb0ef26c1ee25590453cb5531e5fec347de04

    • SHA256

      10e0e68a368fcfca75516ac7814e87a388ff5047964a0501a3cb75d9330b3eb8

    • SHA512

      67f60a853a016d47ec8a58f46abcae6dd102304db907478d589d5388a7b684b8b4779d7dbe9cb0d2dc9ab48c4902f8d48d35dff31cc0405796d38ba084199b8e

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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.

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks