Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    01/11/2021, 21:37

General

  • Target
    EuphoriaH.exe
  • Size 512KB
  • Sample211101-1gfzhsagg9
  • SHA256 28f6f2f43a0808f7ed09d9909f2e7128297ceba6781c59306dcee555355edac8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

C2
  • 62.182.156.24:12780

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EuphoriaH.exe
    "C:\Users\Admin\AppData\Local\Temp\EuphoriaH.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1960

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1960-128-0x0000000005D90000-0x0000000005D91000-memory.dmp

        memory/1960-131-0x0000000005490000-0x0000000005491000-memory.dmp

        memory/1960-137-0x0000000008980000-0x0000000008981000-memory.dmp

        memory/1960-136-0x0000000009100000-0x0000000009101000-memory.dmp

        memory/1960-120-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1960-124-0x0000000005170000-0x0000000005171000-memory.dmp

        memory/1960-125-0x0000000006170000-0x0000000006171000-memory.dmp

        memory/1960-127-0x0000000005E10000-0x0000000005E11000-memory.dmp

        memory/1960-135-0x0000000008A00000-0x0000000008A01000-memory.dmp

        memory/1960-130-0x0000000006110000-0x0000000006111000-memory.dmp

        memory/1960-129-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

        memory/1960-134-0x0000000005C40000-0x0000000005C41000-memory.dmp

        memory/1960-126-0x0000000006C80000-0x0000000006C81000-memory.dmp

        memory/1960-132-0x0000000006BC0000-0x0000000006BC1000-memory.dmp

        memory/1960-133-0x00000000084E0000-0x00000000084E1000-memory.dmp

        memory/2696-115-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

        memory/2696-117-0x000000001BD40000-0x000000001BD41000-memory.dmp

        memory/2696-119-0x000000001BEB0000-0x000000001BEB2000-memory.dmp

        memory/2696-118-0x00000000031C0000-0x00000000031C1000-memory.dmp