Analysis

  • max time kernel
    153s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    04-04-2022 03:51

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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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:3996
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4020

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3996-124-0x0000000000F50000-0x000000000115E000-memory.dmp
    Filesize

    2.1MB

  • memory/3996-125-0x00000000085F0000-0x0000000008B94000-memory.dmp
    Filesize

    5.6MB

  • memory/3996-126-0x0000000008040000-0x00000000080D2000-memory.dmp
    Filesize

    584KB

  • memory/3996-127-0x00000000081D0000-0x00000000081DA000-memory.dmp
    Filesize

    40KB

  • memory/3996-128-0x000000000BFC0000-0x000000000C05C000-memory.dmp
    Filesize

    624KB

  • memory/4020-129-0x0000000000000000-mapping.dmp
  • memory/4020-130-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/4020-131-0x0000000005600000-0x0000000005676000-memory.dmp
    Filesize

    472KB

  • memory/4020-132-0x0000000005B80000-0x0000000005B9E000-memory.dmp
    Filesize

    120KB

  • memory/4020-133-0x0000000006320000-0x0000000006938000-memory.dmp
    Filesize

    6.1MB

  • memory/4020-134-0x0000000005DB0000-0x0000000005DC2000-memory.dmp
    Filesize

    72KB

  • memory/4020-135-0x0000000005E10000-0x0000000005E4C000-memory.dmp
    Filesize

    240KB

  • memory/4020-136-0x00000000060B0000-0x00000000061BA000-memory.dmp
    Filesize

    1.0MB