General

  • Target

    2155f638fc81a0ff83da6dbd57375ff7bb22d09e.rl

  • Size

    990KB

  • Sample

    250219-ssrw6atkft

  • MD5

    4a1f527399836a20e0c648007bd75c4f

  • SHA1

    2155f638fc81a0ff83da6dbd57375ff7bb22d09e

  • SHA256

    151e5e6525dafef00671528a54c639918f7598b0d0b36fa2de0bc92db585e7b1

  • SHA512

    73170e38024e8658cf20a99106eef0bf2052d27c97fa871dfdac744e51f24f06cf9d2ad1cfe3ef7888128be552b72e429ab77b766109fe9c855856f830a7f39e

  • SSDEEP

    24576:pG9BmJnN9a01Y2EiqFjIVkUINdOko/vrP:mBmJN9a0y3iqFEVHIN3oHrP

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7868872251:AAGgFQ9Bkl4sqj91n2vPKSuoyNLVzJTqODY/sendMessage?chat_id=8173633564

Targets

    • Target

      2155f638fc81a0ff83da6dbd57375ff7bb22d09e.rl

    • Size

      990KB

    • MD5

      4a1f527399836a20e0c648007bd75c4f

    • SHA1

      2155f638fc81a0ff83da6dbd57375ff7bb22d09e

    • SHA256

      151e5e6525dafef00671528a54c639918f7598b0d0b36fa2de0bc92db585e7b1

    • SHA512

      73170e38024e8658cf20a99106eef0bf2052d27c97fa871dfdac744e51f24f06cf9d2ad1cfe3ef7888128be552b72e429ab77b766109fe9c855856f830a7f39e

    • SSDEEP

      24576:pG9BmJnN9a01Y2EiqFjIVkUINdOko/vrP:mBmJN9a0y3iqFEVHIN3oHrP

    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • VIPKeylogger

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

    • Vipkeylogger family

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks