General

  • Target

    Purchase Order No. 3109 Dated 28.01.2021.doc

  • Size

    1.6MB

  • Sample

    210128-xjcncrsfjj

  • MD5

    028d561f0f1c0672747fb62cbbc047d7

  • SHA1

    dafeae198cb24d63b614833c584b7c6ee1d82892

  • SHA256

    1c981a1151b65e165e40445bae864206974e22c517aa7e3bfc44cafd3ac77062

  • SHA512

    87b76c26989cb0875d8fc503f8ab29a09552ff87d7f910ba173a7f865946713eddc510dcd2ddfcae45863afdddf8f461189c8e87ed0e1bf1a1cd6788bd9bcba0

Malware Config

Targets

    • Target

      Purchase Order No. 3109 Dated 28.01.2021.doc

    • Size

      1.6MB

    • MD5

      028d561f0f1c0672747fb62cbbc047d7

    • SHA1

      dafeae198cb24d63b614833c584b7c6ee1d82892

    • SHA256

      1c981a1151b65e165e40445bae864206974e22c517aa7e3bfc44cafd3ac77062

    • SHA512

      87b76c26989cb0875d8fc503f8ab29a09552ff87d7f910ba173a7f865946713eddc510dcd2ddfcae45863afdddf8f461189c8e87ed0e1bf1a1cd6788bd9bcba0

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • 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.

    • 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

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

3
T1005

Tasks