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Analysis

  • max time kernel
    66s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 10:54

General

  • Target

    e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe

  • Size

    284KB

  • MD5

    2aac7041efa0f0f858c973b7b544d158

  • SHA1

    15ebf734381de456f817056488a2efa76eb57fcb

  • SHA256

    e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2

  • SHA512

    be4e18690ef64785cf66f0acae44fadd7c2ebb39ec35b7ecc1513f4fceb1950b6c2475e55cdffe844e3baad8c7fb3e06433b9c52e417ad9a4535a20ae5c2de0c

  • SSDEEP

    3072:ZBHWeP4pSyh47tN+jUQp54Y1IbIjE9+t/YLWWy6hyr87+6vD4zi0bKhGTGfsZ2wb:zA5q7tNY4Y1IbIjQ+twKWWr+Mi0cIu

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.3

Botnet

45a2c60205d395ecda49074119ba58ac

C2

https://steamcommunity.com/profiles/76561199680449169

https://t.me/r1g1o

Attributes
  • profile_id_v2

    45a2c60205d395ecda49074119ba58ac

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

  • Detect Vidar Stealer 7 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe
    "C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe
      "C:\Users\Admin\AppData\Local\Temp\e95217e0e62d82df096a4fb8ac08b6d4d9643fe85b740b468435531d8b18d6c2.exe"
      2⤵
        PID:2432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 1412
          3⤵
          • Program crash
          PID:4628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2432 -ip 2432
      1⤵
        PID:3152

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2096-2-0x0000000003670000-0x00000000036A2000-memory.dmp

        Filesize

        200KB

      • memory/2096-1-0x0000000001B90000-0x0000000001C90000-memory.dmp

        Filesize

        1024KB

      • memory/2432-3-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2432-6-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2432-5-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2432-7-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2432-8-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2432-9-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB