Analysis

  • max time kernel
    144s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    24-05-2021 19:27

General

  • Target

    VPN_Free.exe

  • Size

    2.0MB

  • MD5

    831d4e7f62efecd2fc159074383b965b

  • SHA1

    4856dbaebf644b83f620fff1666f8553ad47d9b5

  • SHA256

    be394c34bc2d5f532f3ddac7e2d692c60401d71858d4ae2f077af559f33ef772

  • SHA512

    6e60c373cb7ace5666507dd58bf39c4c92346c070f6c4a2d62cd5966dd84bddee89034ba3ee4cce52df74fc0b0aede68d49fea29ee24f9698833905c853c88e8

Malware Config

Extracted

Family

redline

Botnet

VPNFree

C2

80.92.205.112:81

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VPN_Free.exe
    "C:\Users\Admin\AppData\Local\Temp\VPN_Free.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1020

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1020-67-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1020-68-0x000000000042B08E-mapping.dmp

  • memory/1020-69-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1020-71-0x0000000004B70000-0x0000000004B71000-memory.dmp

    Filesize

    4KB

  • memory/1984-59-0x0000000000890000-0x0000000000891000-memory.dmp

    Filesize

    4KB

  • memory/1984-61-0x0000000004970000-0x0000000004971000-memory.dmp

    Filesize

    4KB

  • memory/1984-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/1984-63-0x00000000083E0000-0x00000000084A7000-memory.dmp

    Filesize

    796KB

  • memory/1984-64-0x00000000004A0000-0x00000000004A5000-memory.dmp

    Filesize

    20KB

  • memory/1984-65-0x000000000A8B0000-0x000000000A97C000-memory.dmp

    Filesize

    816KB

  • memory/1984-66-0x000000000BF10000-0x000000000BFA1000-memory.dmp

    Filesize

    580KB