General

  • Target

    IMG_50781.doc

  • Size

    653KB

  • Sample

    210120-kq55p7x6d2

  • MD5

    a2ec2ec628ec74d805d04473ebbf10ca

  • SHA1

    e8304efd667c65dabd0868f37ae6dc9deded1bd4

  • SHA256

    8acebab5908fc0c5a9bcfe1e2eab5ca37d31611851ad3ece3b7d33e5ca10d9d5

  • SHA512

    3558b79e70f0f09530fc76d304ac7fa96331f1d353014e6f21159edb5df2bc148becfd8e2446a431b8cd799988c58b876e49d0530d7804ca72ed39c4fe843eac

Malware Config

Targets

    • Target

      IMG_50781.doc

    • Size

      653KB

    • MD5

      a2ec2ec628ec74d805d04473ebbf10ca

    • SHA1

      e8304efd667c65dabd0868f37ae6dc9deded1bd4

    • SHA256

      8acebab5908fc0c5a9bcfe1e2eab5ca37d31611851ad3ece3b7d33e5ca10d9d5

    • SHA512

      3558b79e70f0f09530fc76d304ac7fa96331f1d353014e6f21159edb5df2bc148becfd8e2446a431b8cd799988c58b876e49d0530d7804ca72ed39c4fe843eac

    • 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