General

  • Target

    IMG_058741601.exe

  • Size

    732KB

  • Sample

    210129-8tkfsg2bca

  • MD5

    59380235fed3c5300b01b07ca70148ca

  • SHA1

    81e1f14e30fa437a464d1e068e1963a14212c623

  • SHA256

    9bb2525c48049ffd05b8ad6a39a89245b6a4de4914275fcfad2beee8bfaa714d

  • SHA512

    4bce9d19a8388a3915861b3daa125be6611f8532187a9266bc08425e2dbd5f600c429ed252ea1486daf43f64e665241404378353c06e42d100659ee28807b451

Malware Config

Targets

    • Target

      IMG_058741601.exe

    • Size

      732KB

    • MD5

      59380235fed3c5300b01b07ca70148ca

    • SHA1

      81e1f14e30fa437a464d1e068e1963a14212c623

    • SHA256

      9bb2525c48049ffd05b8ad6a39a89245b6a4de4914275fcfad2beee8bfaa714d

    • SHA512

      4bce9d19a8388a3915861b3daa125be6611f8532187a9266bc08425e2dbd5f600c429ed252ea1486daf43f64e665241404378353c06e42d100659ee28807b451

    • 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