Analysis

  • max time kernel
    92s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:28

General

  • Target

    f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363.exe

  • Size

    306KB

  • MD5

    12247e55e50ac27c0e204010cb8a6ff2

  • SHA1

    9bc069328ac9347cab83c6d6851635d81a2e830a

  • SHA256

    f5875e99d264d6dc6b9a95473f93dd4b60f4562283d31642caef4eb5c5823363

  • SHA512

    6eb1536f155bdf040497c4801dfde22d45ddc5ea0f9d6961369d4b89d2c4cd8611747cc4759a7f02320a8d2ade593f01b853ddacf623b9beee4dd28b2c5e814c

  • SSDEEP

    6144:47Zt9vSWh60RVAtljy11d4vOGvue6v5cltn32HxJyL98n:mZSWhHL4v7v53IzyL98n

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:1488
    • 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:1468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 316
      2⤵
      • Program crash
      PID:8
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1488 -ip 1488
    1⤵
      PID:884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1468-8-0x0000000006120000-0x000000000615C000-memory.dmp

      Filesize

      240KB

    • memory/1468-2-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/1468-9-0x00000000058B0000-0x00000000058FC000-memory.dmp

      Filesize

      304KB

    • memory/1468-10-0x0000000006470000-0x0000000006632000-memory.dmp

      Filesize

      1.8MB

    • memory/1468-4-0x0000000005900000-0x0000000005F18000-memory.dmp

      Filesize

      6.1MB

    • memory/1468-5-0x0000000005300000-0x0000000005312000-memory.dmp

      Filesize

      72KB

    • memory/1468-6-0x0000000005430000-0x000000000553A000-memory.dmp

      Filesize

      1.0MB

    • memory/1468-7-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1468-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1468-1-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1468-3-0x0000000004DB0000-0x0000000004E16000-memory.dmp

      Filesize

      408KB

    • memory/1468-11-0x0000000006B70000-0x000000000709C000-memory.dmp

      Filesize

      5.2MB

    • memory/1468-12-0x0000000007650000-0x0000000007BF4000-memory.dmp

      Filesize

      5.6MB

    • memory/1468-13-0x0000000006820000-0x00000000068B2000-memory.dmp

      Filesize

      584KB

    • memory/1468-14-0x0000000006640000-0x0000000006690000-memory.dmp

      Filesize

      320KB

    • memory/1468-15-0x0000000006710000-0x0000000006786000-memory.dmp

      Filesize

      472KB

    • memory/1468-16-0x00000000066D0000-0x00000000066EE000-memory.dmp

      Filesize

      120KB

    • memory/1488-0-0x0000000000858000-0x0000000000859000-memory.dmp

      Filesize

      4KB