General

  • Target

    IMG_05752003.scr

  • Size

    734KB

  • Sample

    210129-wyrj4c2nea

  • MD5

    5176f0854a6b3ede362f46eb17ce2317

  • SHA1

    d9a7e13ac86eea2bbdf8b5c0777cc1a7cc574179

  • SHA256

    56e07ad691527a959fc383a66ee5ab1ab94fa9d74a330f8946f6fbcc8bb57533

  • SHA512

    77ccf0d07106d3c381914e955d1b820c0497f2b843bce9c7ef95d6754e66ff1a420512d8dc19db1dd1a93b137a04372a14369e905826797fb7b6614143ded531

Malware Config

Targets

    • Target

      IMG_05752003.scr

    • Size

      734KB

    • MD5

      5176f0854a6b3ede362f46eb17ce2317

    • SHA1

      d9a7e13ac86eea2bbdf8b5c0777cc1a7cc574179

    • SHA256

      56e07ad691527a959fc383a66ee5ab1ab94fa9d74a330f8946f6fbcc8bb57533

    • SHA512

      77ccf0d07106d3c381914e955d1b820c0497f2b843bce9c7ef95d6754e66ff1a420512d8dc19db1dd1a93b137a04372a14369e905826797fb7b6614143ded531

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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.

    • 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.

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks