Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    12-09-2024 18:41

General

  • Target

    Solara/SolaraBootstrapper.exe

  • Size

    309KB

  • MD5

    becc7a2510958905e91572f6259079fc

  • SHA1

    885ef041f4f6c37a68752f246fc70a7b440e4d64

  • SHA256

    2b424e128aaaa7ea88e6076e72516d60e149a6cfe20e861191e261b4bcd743d9

  • SHA512

    cbfa0892764a588d4837d7c1c37407c5999bcadc6770a0885e54493457fff8b256a19af2bd6e08e7e042f67bb6b1f3c63a21e71c47af33b463f1a7863725ad01

  • SSDEEP

    6144:YTxVlfJeX2+LOO1EuN1o1j0v2fA9LnH9niSr5QR0ZyeIxYhH9XDQc4/Q:YTblfJemsOONOj03UO5y0ZUxu9

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • 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 behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara\SolaraBootstrapper.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4944
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1176-0-0x000000007467E000-0x000000007467F000-memory.dmp

      Filesize

      4KB

    • memory/1176-1-0x0000000000410000-0x0000000000464000-memory.dmp

      Filesize

      336KB

    • memory/1176-21-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/1176-7-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3472-16-0x00000000052B0000-0x00000000052EC000-memory.dmp

      Filesize

      240KB

    • memory/3472-17-0x0000000005430000-0x000000000547C000-memory.dmp

      Filesize

      304KB

    • memory/3472-10-0x0000000004FA0000-0x0000000005032000-memory.dmp

      Filesize

      584KB

    • memory/3472-11-0x0000000005070000-0x000000000507A000-memory.dmp

      Filesize

      40KB

    • memory/3472-12-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/3472-13-0x00000000061E0000-0x00000000067F8000-memory.dmp

      Filesize

      6.1MB

    • memory/3472-14-0x0000000005320000-0x000000000542A000-memory.dmp

      Filesize

      1.0MB

    • memory/3472-15-0x0000000005250000-0x0000000005262000-memory.dmp

      Filesize

      72KB

    • memory/3472-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/3472-9-0x0000000005610000-0x0000000005BB4000-memory.dmp

      Filesize

      5.6MB

    • memory/3472-18-0x0000000005F60000-0x0000000005F80000-memory.dmp

      Filesize

      128KB

    • memory/3472-19-0x0000000006800000-0x0000000006902000-memory.dmp

      Filesize

      1.0MB

    • memory/3472-20-0x0000000006040000-0x00000000060A6000-memory.dmp

      Filesize

      408KB

    • memory/3472-4-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/3472-22-0x0000000006D40000-0x0000000006F02000-memory.dmp

      Filesize

      1.8MB

    • memory/3472-23-0x0000000007440000-0x000000000796C000-memory.dmp

      Filesize

      5.2MB

    • memory/3472-24-0x0000000007110000-0x0000000007160000-memory.dmp

      Filesize

      320KB

    • memory/3472-25-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/3472-26-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB

    • memory/3472-28-0x00000000745C0000-0x0000000074D70000-memory.dmp

      Filesize

      7.7MB