General

  • Target

    55c92e2557966f31dcba970eb7566d5d.exe

  • Size

    1.2MB

  • Sample

    210126-5mk3myqc5x

  • MD5

    55c92e2557966f31dcba970eb7566d5d

  • SHA1

    ba3ebb374d99669f02ef8ead385f798ac8e648e1

  • SHA256

    d544db52d190e289a688183c69680b7c9fdeb459116d0a99a95185ad28474920

  • SHA512

    2a1669975d10286ff8c6e158b318e1b5462b4cc8e5daaa435677409ea8f73e99cea7dc04b4d4b95b36c58ef4dee55ddc82009375effb9c7535ac113d26394bd1

Malware Config

Targets

    • Target

      55c92e2557966f31dcba970eb7566d5d.exe

    • Size

      1.2MB

    • MD5

      55c92e2557966f31dcba970eb7566d5d

    • SHA1

      ba3ebb374d99669f02ef8ead385f798ac8e648e1

    • SHA256

      d544db52d190e289a688183c69680b7c9fdeb459116d0a99a95185ad28474920

    • SHA512

      2a1669975d10286ff8c6e158b318e1b5462b4cc8e5daaa435677409ea8f73e99cea7dc04b4d4b95b36c58ef4dee55ddc82009375effb9c7535ac113d26394bd1

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks