Analysis

  • max time kernel
    135s
  • max time network
    144s
  • 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

    e0990290e38dc94b3c6a8bd8d028c230706f11717bdc17beb40d9a73dcfb2628.exe

  • Size

    761KB

  • MD5

    06138684c4b8c192821da39e5acca07a

  • SHA1

    e58549604d1d468fea175b8db2482018af6a7372

  • SHA256

    e0990290e38dc94b3c6a8bd8d028c230706f11717bdc17beb40d9a73dcfb2628

  • SHA512

    17c066953b74e0e7b5d284a2fe25cc2d7cc490104432b6c9da0dbbdd0f6be99b3d8338ad042828382ca09acd2156db1ec988feeab9ac2b25dc3496468ae93de1

  • SSDEEP

    12288:GMrgy90DKILFwj2MGzpceuIBL3yUXyL5xfekP8zp6BltXY7LiELUWZxykBSG7:Wy/o4fGzuetB7dXydVeg89Ko7cQykoO

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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0990290e38dc94b3c6a8bd8d028c230706f11717bdc17beb40d9a73dcfb2628.exe
    "C:\Users\Admin\AppData\Local\Temp\e0990290e38dc94b3c6a8bd8d028c230706f11717bdc17beb40d9a73dcfb2628.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vP9DO5kH.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vP9DO5kH.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ps46bf1.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ps46bf1.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:3128
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 540
              5⤵
              • Program crash
              PID:4748
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kx833Ws.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kx833Ws.exe
          3⤵
          • Executes dropped EXE
          PID:3064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 3128
      1⤵
        PID:3224

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vP9DO5kH.exe

        Filesize

        565KB

        MD5

        73327f20ac6d1c2243cf1e39882e6be6

        SHA1

        107cc02245ff49f9abf37b5734990a82a6cf7121

        SHA256

        4778ae9b0d2560084769ba392f9ceaa26a57ce0f1d024a57baacfdf3d8e98d99

        SHA512

        e29af1992bf5a8ad3022b3cc6b238958a4fd057085b52b6be7f2a93d0bca0983d5444d54d19a1781efa509c9c73b1b82ba547bdac6b7fd7319ca19c627d68b53

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ps46bf1.exe

        Filesize

        1.1MB

        MD5

        12d5297d31000de1f5fcbc9bd21d6737

        SHA1

        6d2e0becc2d79b5040ca3fed892528e965b31406

        SHA256

        557402c7afc56d36914e3308c174c206f1331ed545f1c0bb4eb622e4789af5c5

        SHA512

        7d1454ccc8266d0cb3ef7c57fe8c11dde18d725a57ff9838698da2abac05b1598a4e6294ff4d75029bd5b9a3a88e23afa00f8770a678e25119f66255113db4f9

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2kx833Ws.exe

        Filesize

        221KB

        MD5

        9ad1fe7fe94c204f000be1047ba76fe9

        SHA1

        fae80c6850174c8e38161f80071a87a4cf75020c

        SHA256

        d2fa8091aeaebcd85f85c6eb21a30227b04f4049b2d50a21f3c290c7f9b098b2

        SHA512

        d89aa9837f44a504690db80ae476dcc6d725e39b373e4462323d2638c4681008a17676513b48041e13f5617c89abc735fece4b44784e840a726a963fce89a772

      • memory/3064-23-0x0000000007460000-0x0000000007A04000-memory.dmp

        Filesize

        5.6MB

      • memory/3064-22-0x0000000000210000-0x000000000024E000-memory.dmp

        Filesize

        248KB

      • memory/3064-24-0x0000000006F90000-0x0000000007022000-memory.dmp

        Filesize

        584KB

      • memory/3064-25-0x0000000007090000-0x000000000709A000-memory.dmp

        Filesize

        40KB

      • memory/3064-26-0x0000000008030000-0x0000000008648000-memory.dmp

        Filesize

        6.1MB

      • memory/3064-28-0x0000000007270000-0x0000000007282000-memory.dmp

        Filesize

        72KB

      • memory/3064-27-0x0000000007340000-0x000000000744A000-memory.dmp

        Filesize

        1.0MB

      • memory/3064-29-0x00000000072D0000-0x000000000730C000-memory.dmp

        Filesize

        240KB

      • memory/3064-30-0x0000000007A10000-0x0000000007A5C000-memory.dmp

        Filesize

        304KB

      • memory/3128-18-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3128-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3128-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3128-14-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB