Analysis

  • max time kernel
    96s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 10:56

General

  • Target
    f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363.exe
  • Size 306KB
  • Sample240513-m1nltabc2w
  • SHA256 f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • 5637482599

C2
  • https://pastebin.com/raw/NgsUAPya

Signatures

  • RedLine

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

  • RedLine payload 1 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363.exe
    "C:\Users\Admin\AppData\Local\Temp\f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 308
      2⤵
      • Program crash
      PID:3488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2140 -ip 2140
    1⤵
      PID:3852

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2140-0-0x0000000000BA8000-0x0000000000BA9000-memory.dmp

          memory/3568-1-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/3568-2-0x00000000747FE000-0x00000000747FF000-memory.dmp

          memory/3568-3-0x0000000004F60000-0x0000000004FC6000-memory.dmp

          memory/3568-4-0x0000000005A40000-0x0000000006058000-memory.dmp

          memory/3568-5-0x00000000054B0000-0x00000000054C2000-memory.dmp

          memory/3568-6-0x00000000055E0000-0x00000000056EA000-memory.dmp

          memory/3568-7-0x00000000747F0000-0x0000000074FA0000-memory.dmp

          memory/3568-8-0x00000000062A0000-0x00000000062DC000-memory.dmp

          memory/3568-9-0x00000000062E0000-0x000000000632C000-memory.dmp

          memory/3568-10-0x0000000006620000-0x00000000067E2000-memory.dmp

          memory/3568-11-0x0000000006D20000-0x000000000724C000-memory.dmp

          memory/3568-12-0x00000000067F0000-0x0000000006882000-memory.dmp

          memory/3568-13-0x0000000007800000-0x0000000007DA4000-memory.dmp

          memory/3568-14-0x0000000006B50000-0x0000000006BA0000-memory.dmp

          memory/3568-15-0x0000000006C20000-0x0000000006C96000-memory.dmp

          memory/3568-16-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

          memory/3568-18-0x00000000747F0000-0x0000000074FA0000-memory.dmp