General

  • Target

    IMG_78011.doc

  • Size

    378KB

  • Sample

    210118-ehn9ge7hp6

  • MD5

    8f0e485e9f232c84f78c011167c38f28

  • SHA1

    8eac77339b0ab53717dee58e81bc6bc532521737

  • SHA256

    a37120959c7a4cd33bebb1d205848e82db6676948da5e2ae7ce313547486da6e

  • SHA512

    7d002e4ebfbd92e9eb9b60e1791b44f5097629811d17798a04130ce9ecae75ffdd3d90eb064a1185f2c443927b4aae6c53385505360d8082576a5cf0a34a6ec2

Malware Config

Targets

    • Target

      IMG_78011.doc

    • Size

      378KB

    • MD5

      8f0e485e9f232c84f78c011167c38f28

    • SHA1

      8eac77339b0ab53717dee58e81bc6bc532521737

    • SHA256

      a37120959c7a4cd33bebb1d205848e82db6676948da5e2ae7ce313547486da6e

    • SHA512

      7d002e4ebfbd92e9eb9b60e1791b44f5097629811d17798a04130ce9ecae75ffdd3d90eb064a1185f2c443927b4aae6c53385505360d8082576a5cf0a34a6ec2

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Blocklisted process makes network request

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks