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Analysis

  • max time kernel
    95s
  • max time network
    99s
  • 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, 12:25

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:2208
    • 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:4276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 284
      2⤵
      • Program crash
      PID:4324
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2208 -ip 2208
    1⤵
      PID:4152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2208-0-0x0000000001008000-0x0000000001009000-memory.dmp

      Filesize

      4KB

    • memory/4276-1-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/4276-2-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

      Filesize

      4KB

    • memory/4276-3-0x00000000054F0000-0x0000000005556000-memory.dmp

      Filesize

      408KB

    • memory/4276-4-0x0000000006040000-0x0000000006658000-memory.dmp

      Filesize

      6.1MB

    • memory/4276-5-0x0000000005A60000-0x0000000005A72000-memory.dmp

      Filesize

      72KB

    • memory/4276-6-0x0000000005B90000-0x0000000005C9A000-memory.dmp

      Filesize

      1.0MB

    • memory/4276-7-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4276-8-0x0000000006860000-0x000000000689C000-memory.dmp

      Filesize

      240KB

    • memory/4276-9-0x00000000068A0000-0x00000000068EC000-memory.dmp

      Filesize

      304KB

    • memory/4276-10-0x0000000006BD0000-0x0000000006D92000-memory.dmp

      Filesize

      1.8MB

    • memory/4276-11-0x00000000072D0000-0x00000000077FC000-memory.dmp

      Filesize

      5.2MB

    • memory/4276-12-0x0000000007DB0000-0x0000000008354000-memory.dmp

      Filesize

      5.6MB

    • memory/4276-13-0x0000000006F40000-0x0000000006FD2000-memory.dmp

      Filesize

      584KB

    • memory/4276-14-0x0000000006E90000-0x0000000006F06000-memory.dmp

      Filesize

      472KB

    • memory/4276-15-0x0000000006E40000-0x0000000006E5E000-memory.dmp

      Filesize

      120KB

    • memory/4276-16-0x0000000007B00000-0x0000000007B50000-memory.dmp

      Filesize

      320KB

    • memory/4276-18-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB