Analysis

  • max time kernel
    144s
  • max time network
    149s
  • 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 09:56

General

  • Target

    6ab7739b7f0b5cc84bf55cd6f09beb3d4860ec6428202c54e8e023161020c8d6.exe

  • Size

    759KB

  • MD5

    b69c615e91840a82076fe1dc0175cd5c

  • SHA1

    bb23d10b27c9fb45af61d9414f31944bbfd6d62b

  • SHA256

    6ab7739b7f0b5cc84bf55cd6f09beb3d4860ec6428202c54e8e023161020c8d6

  • SHA512

    5a4aa247c3bb6167c03c050c2899f8a669c3835a93ee16509dfbeb2f06eae38b4cec1e3c8a5efc65e8df2eba665c1f42b85b192edd3fb2f7d1ce43761d134c90

  • SSDEEP

    12288:4MrMy90OPICz9hQnKZKC5Z7O9mpz53ClrunebLXR0prExFgUI24a211bt:kyrPJQKZKC5ZCkz5SRunebLB0p3UH4ao

Malware Config

Extracted

Family

redline

Botnet

kinza

C2

77.91.124.86:19084

Signatures

  • Detect Mystic stealer payload 4 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 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ab7739b7f0b5cc84bf55cd6f09beb3d4860ec6428202c54e8e023161020c8d6.exe
    "C:\Users\Admin\AppData\Local\Temp\6ab7739b7f0b5cc84bf55cd6f09beb3d4860ec6428202c54e8e023161020c8d6.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\En4Gf9Pe.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\En4Gf9Pe.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uj82fO7.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uj82fO7.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:2208
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:2624
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:544
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 540
                  5⤵
                  • Program crash
                  PID:3888
            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2GV644kk.exe
              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2GV644kk.exe
              3⤵
              • Executes dropped EXE
              PID:2944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 544
          1⤵
            PID:4248

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\En4Gf9Pe.exe

            Filesize

            562KB

            MD5

            b062259b5db02d3f43088b71fc2efeb5

            SHA1

            83d8cf252d4bda4af35074676577df6dcb89355b

            SHA256

            2dc87d1a3ce91494e1e59b6b06c1e26d6d3149e46465bae9d5cf72d4d9316567

            SHA512

            fc3f13a6265fb9fda48f574853f8581ba0a08e48746c0729ec1b2d10202cb37780c9dfcb21f774f598b2921e59fdcae1d71534378ef34c5a2831d3426af27d4e

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1uj82fO7.exe

            Filesize

            1.1MB

            MD5

            cf8a8afe6b52833ef82cbe9d5742082d

            SHA1

            ac2de55f6d4f189ce18ecd2adc792fea4f14c624

            SHA256

            c83b3837583a5fe78c1ba95e3b5785023550c02c2940664725c2b8e2a5eabf34

            SHA512

            e273917afb1cc984cea1d1573938aae1fcf7ccfa2edecaa3643e5b288e517c66228624359f93a6e38cd3ce284d20c217b802ac532a1253532b5ad21fbf2400d4

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2GV644kk.exe

            Filesize

            222KB

            MD5

            80b7f3f936cef5ca29f7b5db2e093cec

            SHA1

            47706281df477fbc57e9cdbb5f43c0b868950950

            SHA256

            80bd0280b2703d0f67159a20f3eda6f06e69f1d7da5023d8a9670325e10e8c23

            SHA512

            b048e15acc0d34b464f660c09979c25c09dc646d6ecfccb1835e451e574bca155495859a31ef1785ed7c178fcf4e04b015c774200887440e2e00cea457b34854

          • memory/544-14-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB

          • memory/544-16-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB

          • memory/544-15-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB

          • memory/544-18-0x0000000000400000-0x0000000000434000-memory.dmp

            Filesize

            208KB

          • memory/2944-23-0x0000000007C30000-0x00000000081D4000-memory.dmp

            Filesize

            5.6MB

          • memory/2944-22-0x00000000009C0000-0x00000000009FE000-memory.dmp

            Filesize

            248KB

          • memory/2944-24-0x0000000007760000-0x00000000077F2000-memory.dmp

            Filesize

            584KB

          • memory/2944-25-0x0000000002B70000-0x0000000002B7A000-memory.dmp

            Filesize

            40KB

          • memory/2944-26-0x0000000008800000-0x0000000008E18000-memory.dmp

            Filesize

            6.1MB

          • memory/2944-27-0x0000000007A70000-0x0000000007B7A000-memory.dmp

            Filesize

            1.0MB

          • memory/2944-28-0x0000000007980000-0x0000000007992000-memory.dmp

            Filesize

            72KB

          • memory/2944-29-0x00000000079E0000-0x0000000007A1C000-memory.dmp

            Filesize

            240KB

          • memory/2944-30-0x0000000007A20000-0x0000000007A6C000-memory.dmp

            Filesize

            304KB