Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 10:02

General

  • Target
    2c5911fd0a616aa00118b87a5216b4c3312dd590b4988b62bf0651b91fc5b29f.exe
  • Size 1.5MB
  • Sample240523-l22pdscf42
  • SHA256 2c5911fd0a616aa00118b87a5216b4c3312dd590b4988b62bf0651b91fc5b29f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • kinza

C2
  • 77.91.124.86:19084

Signatures

  • Detect Mystic stealer payload 3 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c5911fd0a616aa00118b87a5216b4c3312dd590b4988b62bf0651b91fc5b29f.exe
    "C:\Users\Admin\AppData\Local\Temp\2c5911fd0a616aa00118b87a5216b4c3312dd590b4988b62bf0651b91fc5b29f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rb1iO5dt.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rb1iO5dt.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\az8gH1bQ.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\az8gH1bQ.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hv1Zo4YT.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hv1Zo4YT.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2300
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\DB4Dh1xd.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\DB4Dh1xd.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:3712
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ql97iH7.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ql97iH7.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4992
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:3480
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  7⤵
                    PID:2352
                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2WD944JN.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2WD944JN.exe
                  6⤵
                  • Executes dropped EXE
                  PID:4792

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            rb1iO5dt.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rb1iO5dt.exe
            • Size 1.3MB
            • SHA256 6a3545cda45590fc91fec8603a3aac56b54d479cac9a6e087c42f91c570281c8
            • MD5 SHA1 SHA512 SSDEEP

            az8gH1bQ.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\az8gH1bQ.exe
            • Size 1.2MB
            • SHA256 48e846285e801d49dd5d05f47221081d435a06c56c6589fe17eeac5717d719b2
            • MD5 SHA1 SHA512 SSDEEP

            hv1Zo4YT.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hv1Zo4YT.exe
            • Size 762KB
            • SHA256 150afc37eb14278d713b519bde711660f055deddf2d15da2426809b93afa6911
            • MD5 SHA1 SHA512 SSDEEP

            DB4Dh1xd.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\DB4Dh1xd.exe
            • Size 566KB
            • SHA256 b7cf97a41fc7ff3993a960bdb59bc68323c4991f67ec99fa6c26e527856df4e0
            • MD5 SHA1 SHA512 SSDEEP

            1Ql97iH7.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ql97iH7.exe
            • Size 1.1MB
            • SHA256 1bf5cec3c254448c4c70558dc424e41f1c52255d582ac0aabb0a64c028cddf9a
            • MD5 SHA1 SHA512 SSDEEP

            2WD944JN.exe

            • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2WD944JN.exe
            • Size 221KB
            • SHA256 8ed359cdd6330f9b84400f9ca839b074ac2a4af2d6839a942cbaf295f24076d8
            • MD5 SHA1 SHA512 SSDEEP

            memory/2352-38-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2352-40-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2352-35-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4792-42-0x00000000001F0000-0x000000000022E000-memory.dmp

            memory/4792-43-0x0000000007520000-0x0000000007AC4000-memory.dmp

            memory/4792-44-0x0000000007010000-0x00000000070A2000-memory.dmp

            memory/4792-45-0x0000000004590000-0x000000000459A000-memory.dmp

            memory/4792-46-0x00000000080F0000-0x0000000008708000-memory.dmp

            memory/4792-47-0x00000000073C0000-0x00000000074CA000-memory.dmp

            memory/4792-48-0x00000000071C0000-0x00000000071D2000-memory.dmp

            memory/4792-49-0x0000000007220000-0x000000000725C000-memory.dmp

            memory/4792-50-0x00000000072B0000-0x00000000072FC000-memory.dmp