General

  • Target

    SCANNEDCOPY.doc

  • Size

    699KB

  • Sample

    241002-zcx7kavfqm

  • MD5

    4b6a210109e97c5168659caaac0895f1

  • SHA1

    5edaab62f69f03a0ce76130be6281ed12b8974f2

  • SHA256

    1abbd41ea4c50b4db3acfe9a14f07b93ee52e0ea8515f34cc007f4d314d60746

  • SHA512

    59505a64198a017143c01f58564b14b282e5f502ad23b1f71f4d0c0458d17ece1b96bf2fd0d8f38a8ded2eef0f433c3b1c134cb947a05fc565bf0e9ddf7972e7

  • SSDEEP

    6144:/wAYwAYwAYwAYwASlhaA48Ix9kN25/bQ9/vlT79Gz:cE

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      SCANNEDCOPY.doc

    • Size

      699KB

    • MD5

      4b6a210109e97c5168659caaac0895f1

    • SHA1

      5edaab62f69f03a0ce76130be6281ed12b8974f2

    • SHA256

      1abbd41ea4c50b4db3acfe9a14f07b93ee52e0ea8515f34cc007f4d314d60746

    • SHA512

      59505a64198a017143c01f58564b14b282e5f502ad23b1f71f4d0c0458d17ece1b96bf2fd0d8f38a8ded2eef0f433c3b1c134cb947a05fc565bf0e9ddf7972e7

    • SSDEEP

      6144:/wAYwAYwAYwAYwASlhaA48Ix9kN25/bQ9/vlT79Gz:cE

    • VIPKeylogger

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

    • 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

    • 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