General

  • Target

    IMG_10966.scr

  • Size

    1.2MB

  • Sample

    210130-cmh5rqp6mj

  • MD5

    a1038606df958c9548be95b3da2df107

  • SHA1

    1b6c70075e56c9ce0a9b946bdedca9b8116c2539

  • SHA256

    c7a2fcc718b3adeedee6e215f17799f22662a66c5c8e08af94ea641e9e909b8d

  • SHA512

    f9f9ca2f49b66aac502dc84216238dcaf5d5413cafaff918bbfc18d0867d33757ff14c1a4abbacde1e192d8132ebbce561dcb62a1cc326930a3a599763302eb2

Malware Config

Targets

    • Target

      IMG_10966.scr

    • Size

      1.2MB

    • MD5

      a1038606df958c9548be95b3da2df107

    • SHA1

      1b6c70075e56c9ce0a9b946bdedca9b8116c2539

    • SHA256

      c7a2fcc718b3adeedee6e215f17799f22662a66c5c8e08af94ea641e9e909b8d

    • SHA512

      f9f9ca2f49b66aac502dc84216238dcaf5d5413cafaff918bbfc18d0867d33757ff14c1a4abbacde1e192d8132ebbce561dcb62a1cc326930a3a599763302eb2

    • 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