Analysis

  • max time kernel
    139s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2023 23:40

General

  • Target

    NEAS.7d4a69c65851eed92bb3c18a3cbbfa90.exe

  • Size

    426KB

  • MD5

    7d4a69c65851eed92bb3c18a3cbbfa90

  • SHA1

    2b96b4ca11b46405aaf634748b97168b67c1fcf8

  • SHA256

    780c385a4a0971c375f65da31bde5d3c8b23426ce0f26b6401152786e23650ec

  • SHA512

    4906a495b42d6671ddc28b284e5edf9be63a2e111985e48a9d07b7db4e8b8bf3b32f6a056dfbbf34749ba77836c21381a9b37a3a8b535c85a0927a31f16a8df2

  • SSDEEP

    12288:rMrdy90QqOmVfjoTadA37OhbpmPZZ5/Yja2e:CytRmVfjoTadAL+piZXgj0

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

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 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.7d4a69c65851eed92bb3c18a3cbbfa90.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7d4a69c65851eed92bb3c18a3cbbfa90.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3qo87Ry.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3qo87Ry.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2840
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:4768
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 200
            4⤵
            • Program crash
            PID:1188
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6Yt3ls9.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6Yt3ls9.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          3⤵
            PID:3636
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            3⤵
              PID:1448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4768 -ip 4768
          1⤵
            PID:5044

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3qo87Ry.exe

            Filesize

            369KB

            MD5

            61a9c60d54c1c0d43ac3e950ed1bfdaa

            SHA1

            3eda41ab2643e08c05a2a18369510c1ed8d04837

            SHA256

            c88419e5aeb2a826ba9a8a3e830f0d595973a95b0d099aae7509b7ba9870a6f9

            SHA512

            1bdbbdc976433b1a8e4c62f076544e3224c3b7f0e43c8c933225545c13280f2ddfadd8a1e8d841ad9c7a0f5006c5d0612a7e9896cb432a23cb0c9891a9713b5b

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3qo87Ry.exe

            Filesize

            369KB

            MD5

            61a9c60d54c1c0d43ac3e950ed1bfdaa

            SHA1

            3eda41ab2643e08c05a2a18369510c1ed8d04837

            SHA256

            c88419e5aeb2a826ba9a8a3e830f0d595973a95b0d099aae7509b7ba9870a6f9

            SHA512

            1bdbbdc976433b1a8e4c62f076544e3224c3b7f0e43c8c933225545c13280f2ddfadd8a1e8d841ad9c7a0f5006c5d0612a7e9896cb432a23cb0c9891a9713b5b

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6Yt3ls9.exe

            Filesize

            408KB

            MD5

            252184b1d2a395505e6b5632be8a4ac2

            SHA1

            f9014d5eda40f2668d092dfdbbfb30915e7b053e

            SHA256

            a1b6b221d6b59ee7fe09ec505a510a606f4efd648fde8929ba7b1eeafaba0a53

            SHA512

            9e4c276a85021acf84853a1c59a4797d76691a10728ab1a218a47868dca107ec693f893d04a843e6469118d8aed92e70b50eaededd32c559e4d26c42693b73d6

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6Yt3ls9.exe

            Filesize

            408KB

            MD5

            252184b1d2a395505e6b5632be8a4ac2

            SHA1

            f9014d5eda40f2668d092dfdbbfb30915e7b053e

            SHA256

            a1b6b221d6b59ee7fe09ec505a510a606f4efd648fde8929ba7b1eeafaba0a53

            SHA512

            9e4c276a85021acf84853a1c59a4797d76691a10728ab1a218a47868dca107ec693f893d04a843e6469118d8aed92e70b50eaededd32c559e4d26c42693b73d6

          • memory/1448-22-0x0000000008050000-0x000000000815A000-memory.dmp

            Filesize

            1.0MB

          • memory/1448-20-0x0000000005960000-0x000000000596A000-memory.dmp

            Filesize

            40KB

          • memory/1448-27-0x0000000005990000-0x00000000059A0000-memory.dmp

            Filesize

            64KB

          • memory/1448-26-0x0000000074420000-0x0000000074BD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1448-15-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/1448-16-0x0000000074420000-0x0000000074BD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1448-17-0x00000000082E0000-0x0000000008884000-memory.dmp

            Filesize

            5.6MB

          • memory/1448-18-0x0000000007D30000-0x0000000007DC2000-memory.dmp

            Filesize

            584KB

          • memory/1448-19-0x0000000005990000-0x00000000059A0000-memory.dmp

            Filesize

            64KB

          • memory/1448-25-0x0000000008160000-0x00000000081AC000-memory.dmp

            Filesize

            304KB

          • memory/1448-21-0x0000000008EB0000-0x00000000094C8000-memory.dmp

            Filesize

            6.1MB

          • memory/1448-24-0x0000000007FD0000-0x000000000800C000-memory.dmp

            Filesize

            240KB

          • memory/1448-23-0x0000000007F70000-0x0000000007F82000-memory.dmp

            Filesize

            72KB

          • memory/4768-7-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4768-11-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4768-8-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4768-9-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB