Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 17:46

General

  • Target

    08bd377a60108ac1b0fcdb1639ae5695e0fbec00f6e9b3a474c7c09bca1a9353.exe

  • Size

    936KB

  • MD5

    485c25ad393240d129c8862f17b18f46

  • SHA1

    abe9f70ee0cb86a1fce943bc9a50325c452ddf0f

  • SHA256

    08bd377a60108ac1b0fcdb1639ae5695e0fbec00f6e9b3a474c7c09bca1a9353

  • SHA512

    4478a42d36787b71bed1c8c7ffc56aa3b94b7765ffe1b225ec58da73c172a6119ed3a6eb4c8b7a2eea30e7f8a16aef7e615c66ec408b80892df9cd3fd2f72809

  • SSDEEP

    12288:MMrsy908V4Wai4xugZ926NpaBLLrrvbGH8HL7whDNe9KE1n75eomhDGgmV3CU:4yp+ti4zFgBLLrrjGH8/YDNGHeoSEz

Malware Config

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

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 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08bd377a60108ac1b0fcdb1639ae5695e0fbec00f6e9b3a474c7c09bca1a9353.exe
    "C:\Users\Admin\AppData\Local\Temp\08bd377a60108ac1b0fcdb1639ae5695e0fbec00f6e9b3a474c7c09bca1a9353.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tu9mN9jS.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tu9mN9jS.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Wj2kr2vj.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Wj2kr2vj.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1188
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nm54nt8.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nm54nt8.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4024
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:4404
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 592
              5⤵
              • Program crash
              PID:2408
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2un039lc.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2un039lc.exe
            4⤵
            • Executes dropped EXE
            PID:1068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4024 -ip 4024
      1⤵
        PID:3440

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tu9mN9jS.exe

        Filesize

        640KB

        MD5

        45232eeafc041f4392d43ff89aa99465

        SHA1

        1ed7227336f31558c8c6b1be8c5a50bde622ad36

        SHA256

        7cc399690625fe51c1b469f7e049782a493baa3a1ef701d932c57888bd5d237e

        SHA512

        35873d313709d05b382afc8659f54b6631388cbc1e5b9b1c65eeec961c396fbb9afa6c8f1a429c1f217d96ea042a6bb67c74aa18e49eeedc3b09360c3d21af91

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Wj2kr2vj.exe

        Filesize

        444KB

        MD5

        636a9df2e421e343ce95dd422947e9a7

        SHA1

        f934f3db17070f1ebbde16b238270ad961816af5

        SHA256

        1ea5ebb242a1a9dfe4eedc3d16d65d66aca05febc7c1dfbb81c65e3edaaddfed

        SHA512

        cded219c5dbc0f790ca94c8c4aecf948c9a0f1e2e5a8c975fee5ec08dfd7cf24de084ba0f78ac5fbf3a21c46ec9676f13f8ceebe2007397615e60288d021b780

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1nm54nt8.exe

        Filesize

        423KB

        MD5

        f495032b690e17b37956a2a5b8d4c556

        SHA1

        97409a7b3e89336c0d68d8fa4e459a0e81d9dc38

        SHA256

        7bb120577c0c26dafbc1a1cd08f88cee65bd35365a81090a61d7f6185b064c61

        SHA512

        bef64a261fa24c6c5af5816ebb8549d3f404df55271ff03347be4772f9d940940bbd3b0cbec01caa41ded78422a60381fea8cd8434eabdc3c36e3889b3a180d6

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2un039lc.exe

        Filesize

        221KB

        MD5

        7175a8376d238e9f3ea71ccbdb176182

        SHA1

        2ce5f9c75e5829587c9a0ff3a78ce9f695787699

        SHA256

        2a0f850c6325fe494da648a4b15c9eb8c5217e1637a346eb763e8cd27e7c24f7

        SHA512

        be51366af44b47fc50336f4aae339c25c5e8e3d5a90867569112c198a7fc16688207b02cfa99764296928f6b82acebf9417805944ffb63b559d7fec169ad42f5

      • memory/1068-33-0x0000000007900000-0x0000000007A0A000-memory.dmp

        Filesize

        1.0MB

      • memory/1068-28-0x00000000007D0000-0x000000000080E000-memory.dmp

        Filesize

        248KB

      • memory/1068-29-0x0000000007A50000-0x0000000007FF4000-memory.dmp

        Filesize

        5.6MB

      • memory/1068-30-0x0000000007580000-0x0000000007612000-memory.dmp

        Filesize

        584KB

      • memory/1068-31-0x0000000004B40000-0x0000000004B4A000-memory.dmp

        Filesize

        40KB

      • memory/1068-32-0x0000000008620000-0x0000000008C38000-memory.dmp

        Filesize

        6.1MB

      • memory/1068-34-0x0000000007690000-0x00000000076A2000-memory.dmp

        Filesize

        72KB

      • memory/1068-35-0x00000000077F0000-0x000000000782C000-memory.dmp

        Filesize

        240KB

      • memory/1068-36-0x0000000007830000-0x000000000787C000-memory.dmp

        Filesize

        304KB

      • memory/4404-22-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/4404-21-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/4404-24-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB