Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2024 11:34

General

  • Target

    WinFN v2.2.exe

  • Size

    352KB

  • MD5

    57ef965eb466b6a13015e6c3604e93f5

  • SHA1

    ca27b9efa6f0a07068790f0f0cbae39a808fffa7

  • SHA256

    1b966fd04d779b571d96baa85cb52b46359f06425a0d4fa024b87c8fc8553e8f

  • SHA512

    9121c39feaf5cf32e06713b407a535419cd1ffab96a4b448fb7872a08d2074fa56c425a9a2b699211658bb2131bcd6589d0c00e3164730e4271d2e2cfa09436c

  • SSDEEP

    6144:KuAFxcDqjjGfMO7lE1ARDoAOStcR1Mxr0vFuj0+Mn6Kr45/:pSxcD6OW+oktEexra9nX45

Malware Config

Extracted

Family

redline

C2

176.113.115.7:2883

Attributes
  • auth_value

    0dafc555a7917ac8113f8e2c813f0569

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Redline family
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinFN v2.2.exe
    "C:\Users\Admin\AppData\Local\Temp\WinFN v2.2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 148
      2⤵
      • Program crash
      PID:4544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3928 -ip 3928
    1⤵
      PID:756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3184-2-0x00000000005C0000-0x00000000005F0000-memory.dmp

      Filesize

      192KB

    • memory/3184-6-0x0000000000270000-0x00000000004F3000-memory.dmp

      Filesize

      2.5MB

    • memory/3184-7-0x0000000005380000-0x0000000005998000-memory.dmp

      Filesize

      6.1MB

    • memory/3184-8-0x0000000004E70000-0x0000000004F7A000-memory.dmp

      Filesize

      1.0MB

    • memory/3184-9-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

      Filesize

      72KB

    • memory/3184-10-0x0000000004E00000-0x0000000004E3C000-memory.dmp

      Filesize

      240KB

    • memory/3184-11-0x0000000004F80000-0x0000000004FCC000-memory.dmp

      Filesize

      304KB

    • memory/3928-0-0x0000000000386000-0x0000000000388000-memory.dmp

      Filesize

      8KB