General

  • Target

    DOCUMENT.exe

  • Size

    724KB

  • Sample

    210201-xnvdtcp61e

  • MD5

    4f02d5935ccfe64bf137c263be9435de

  • SHA1

    76ac241f9537294e9a31ea3e21298c5e24e4fdd4

  • SHA256

    d0474602ad9175e7c3f809b9af0bd8b0efeb89ae7b6561373b10bb2a344cfacd

  • SHA512

    dca2ee7564b3940bc744e82f7445e14f953c746480a222b9966698cb807c46ef00ab47626a2e09b1c580b4b589f5b883e7d38b8277241c64515a19a845de80dd

Malware Config

Targets

    • Target

      DOCUMENT.exe

    • Size

      724KB

    • MD5

      4f02d5935ccfe64bf137c263be9435de

    • SHA1

      76ac241f9537294e9a31ea3e21298c5e24e4fdd4

    • SHA256

      d0474602ad9175e7c3f809b9af0bd8b0efeb89ae7b6561373b10bb2a344cfacd

    • SHA512

      dca2ee7564b3940bc744e82f7445e14f953c746480a222b9966698cb807c46ef00ab47626a2e09b1c580b4b589f5b883e7d38b8277241c64515a19a845de80dd

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • 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.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks