General

  • Target

    IMG_0661.pdf

  • Size

    1.5MB

  • Sample

    220522-f7m6asfhh9

  • MD5

    ab565e8240a1f6b736c4ddbaf1b4c367

  • SHA1

    c2c9e564cf368505dd7ae451d290ebb435f0389e

  • SHA256

    a5ae22128aff34bd1d5ed68591a887bbe3d53e9f170b253593ce27c9e6854687

  • SHA512

    d0d2060fa61e6138019435340bc6ece35973e8aba7102e86b120f67f8673f5db08b16f81cfc66673799df92a5bf6e217b800de08066f7614dbbd3d579b15db98

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    server255.web-hosting.com
  • Port:
    587
  • Username:
    vondept@janrytwo.xyz
  • Password:
    Ffs4prb_QwX#

Targets

    • Target

      IMG_0661.pdf

    • Size

      1.5MB

    • MD5

      ab565e8240a1f6b736c4ddbaf1b4c367

    • SHA1

      c2c9e564cf368505dd7ae451d290ebb435f0389e

    • SHA256

      a5ae22128aff34bd1d5ed68591a887bbe3d53e9f170b253593ce27c9e6854687

    • SHA512

      d0d2060fa61e6138019435340bc6ece35973e8aba7102e86b120f67f8673f5db08b16f81cfc66673799df92a5bf6e217b800de08066f7614dbbd3d579b15db98

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

    • 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.

    • Suspicious use of SetThreadContext

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