Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 05:33

General

  • Target

    a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe

  • Size

    934KB

  • MD5

    9323def24c82bcce18472272f2fd5647

  • SHA1

    f09e0e7cbf11b9afa48a1cdb5d7d67065a46da8d

  • SHA256

    a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e

  • SHA512

    98896fcab67a61d7d42629f3062054984a32712b668fa986272c14427394727c522ee9562a7d243e9627ff88f1825444dacb3b8a14dd270a5a3b755502271e7a

  • SSDEEP

    24576:QyZyKWABDnuKRODayze5PfWeD+XH0WdXBPo:XEKWQnuKRoe5HlDyH0Yx

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 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe
    "C:\Users\Admin\AppData\Local\Temp\a619ae77d542717361e631ceb6fe3fab295af4ccef45ae4774b92a9355b6bb2e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vv6sn2Ud.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vv6sn2Ud.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3400
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:592
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2136
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:4624
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              5⤵
                PID:3680
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 208
                5⤵
                • Program crash
                PID:824
            • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe
              C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe
              4⤵
              • Executes dropped EXE
              PID:3252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2136 -ip 2136
        1⤵
          PID:2276

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vv6sn2Ud.exe

          Filesize

          639KB

          MD5

          f67961054d5fc156de25094279d72288

          SHA1

          e7868a8e7d18092b13f6b738bb2a13a65397573b

          SHA256

          2a4159363d93a578064721a2cea3b120f28b3c2a27dedc5e7109ecde5c2208b9

          SHA512

          526a0f399f3ec8a72d9bd417d0a0528e2752c60a4a1aa2047ae717c6a831a96a29544456c93ae34f7fddab7f7adb6736b73db100770b08900b7d8acf1b83ad90

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Dx7Od3si.exe

          Filesize

          443KB

          MD5

          e46d6ad00fbe02a50a065502f02a5ba0

          SHA1

          2ea0c228718328d8e146a24e70edb9ee9a18105c

          SHA256

          e72475c6e252575dc99262f5b8e9bdb7eb4f8365f3769649cffa1570569bdf24

          SHA512

          39e7a802a2613ed432a93cceb44c8d0d88a591e598c1beba0ceda78a63d365c88267ce4713f770ddf175e7d71cce56f2e064afa96b08e3dc993c29221488da0c

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1yI16oH3.exe

          Filesize

          422KB

          MD5

          df5d3f0555ab568dd7cd1de3b38f8138

          SHA1

          39cb0a9680eec33228de39b785cb35407d054e70

          SHA256

          e49795016e9c363faed964d72217c14ac5336811ae6c78a675d34996f1ab2e22

          SHA512

          5ead0e7cbb2c723d73581d7d4db7bb21505c095d7e2d00f99ff10a61eb2c55d4f6f18494d5d53c666fc6cc95d06456430131e32efa5687467781d9ab627b02de

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Lz312UD.exe

          Filesize

          222KB

          MD5

          7a00ce7084021d2ce787b2556b9882cb

          SHA1

          72842b6f1aab656c25f867f31519bc970703276a

          SHA256

          f4c934411d4dc6a014ea017ce0666882f89454cebf892d9368735d4a2d5d55b1

          SHA512

          9a9afe1710a74b2d3dd10e1af41dc31af59e9f1c324ca144981dbeed71682e6085ba9117a8ee2148bc0c13850915461f81e8ebbc2e5290ae224663d6cd3e5dda

        • memory/3252-34-0x00000000074F0000-0x0000000007502000-memory.dmp

          Filesize

          72KB

        • memory/3252-28-0x0000000000520000-0x000000000055E000-memory.dmp

          Filesize

          248KB

        • memory/3252-29-0x0000000007810000-0x0000000007DB4000-memory.dmp

          Filesize

          5.6MB

        • memory/3252-30-0x0000000007300000-0x0000000007392000-memory.dmp

          Filesize

          584KB

        • memory/3252-31-0x0000000002700000-0x000000000270A000-memory.dmp

          Filesize

          40KB

        • memory/3252-32-0x00000000083E0000-0x00000000089F8000-memory.dmp

          Filesize

          6.1MB

        • memory/3252-33-0x00000000075E0000-0x00000000076EA000-memory.dmp

          Filesize

          1.0MB

        • memory/3252-35-0x0000000007550000-0x000000000758C000-memory.dmp

          Filesize

          240KB

        • memory/3252-36-0x0000000007590000-0x00000000075DC000-memory.dmp

          Filesize

          304KB

        • memory/3680-21-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3680-23-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3680-24-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB