Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 22:34

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 5 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 12 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:2444
    • 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:2884
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2396
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x1e4
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1280

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2444-0-0x000000007457E000-0x000000007457F000-memory.dmp

      Filesize

      4KB

    • memory/2444-1-0x0000000001310000-0x0000000001364000-memory.dmp

      Filesize

      336KB

    • memory/2444-17-0x0000000074570000-0x0000000074C5E000-memory.dmp

      Filesize

      6.9MB

    • memory/2444-12-0x0000000002770000-0x0000000004770000-memory.dmp

      Filesize

      32.0MB

    • memory/2884-6-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-14-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-16-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-11-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2884-8-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-7-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2884-4-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB