General

  • Target

    dcdd3c117ec0dc6af052496d1cc0d24da9b264f566e0e763380af879dfbcdf27.doc

  • Size

    179KB

  • Sample

    240822-c2me2axhmr

  • MD5

    413ed50fc5b7fc796c710bb1b0f02cc4

  • SHA1

    440c50be71fbe20648115bcd65b04a75940a833a

  • SHA256

    dcdd3c117ec0dc6af052496d1cc0d24da9b264f566e0e763380af879dfbcdf27

  • SHA512

    c47893f5b8cca2015ff4803d14dc8f04d857ee0478d62be8dd61f00d0e363de1c1c05b16cde5afe9d0ed0a2df58fada5deda7b728f65f2b20764df430f787d99

  • SSDEEP

    3072:AiY5rj1ATug+mhTZMxjcFQ9csn4qAzYjDp/shKuikycBSRjR/Vx7XUo4Zj:a5r/g+qZMpcFSQzYHut4dNAj

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      dcdd3c117ec0dc6af052496d1cc0d24da9b264f566e0e763380af879dfbcdf27.doc

    • Size

      179KB

    • MD5

      413ed50fc5b7fc796c710bb1b0f02cc4

    • SHA1

      440c50be71fbe20648115bcd65b04a75940a833a

    • SHA256

      dcdd3c117ec0dc6af052496d1cc0d24da9b264f566e0e763380af879dfbcdf27

    • SHA512

      c47893f5b8cca2015ff4803d14dc8f04d857ee0478d62be8dd61f00d0e363de1c1c05b16cde5afe9d0ed0a2df58fada5deda7b728f65f2b20764df430f787d99

    • SSDEEP

      3072:AiY5rj1ATug+mhTZMxjcFQ9csn4qAzYjDp/shKuikycBSRjR/Vx7XUo4Zj:a5r/g+qZMpcFSQzYHut4dNAj

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks