Analysis

  • max time kernel
    149s
  • 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 17:10

General

  • Target

    211c4e6a11f15bd767da6f104c223571e677d598cba947fc6ecc736fb041af13.exe

  • Size

    1.1MB

  • MD5

    266bb0ae217b73bd31772124f6f22efd

  • SHA1

    cebe40031cea519b909a8444a7532abef4d28e39

  • SHA256

    211c4e6a11f15bd767da6f104c223571e677d598cba947fc6ecc736fb041af13

  • SHA512

    b5cc735192135d2834a5fc909225367d8f56246f1796e1224708836aafd352a24a2f6c18a749280a86d2d0775cdd710b798cfd88038691fd6cde01648dc93bb5

  • SSDEEP

    24576:PyXu6/RkKmvArt28Ju2ElLB859EPY4XY1vR2Ud56FUhcZavLURjx:aBGoZ26fUer15eUhcuLC

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/

Extracted

Family

redline

Botnet

kukish

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 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\211c4e6a11f15bd767da6f104c223571e677d598cba947fc6ecc736fb041af13.exe
    "C:\Users\Admin\AppData\Local\Temp\211c4e6a11f15bd767da6f104c223571e677d598cba947fc6ecc736fb041af13.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kF7QG9Ws.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kF7QG9Ws.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\lQ5WA6Br.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\lQ5WA6Br.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FV3HP2qO.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FV3HP2qO.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:908
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1mw37py4.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1mw37py4.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1828
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:1372
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 600
                6⤵
                • Program crash
                PID:872
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Hb570Ml.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Hb570Ml.exe
              5⤵
              • Executes dropped EXE
              PID:3268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1828 -ip 1828
      1⤵
        PID:4996

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kF7QG9Ws.exe

        Filesize

        950KB

        MD5

        7dbe0e9482df926b307b0b1124c3352d

        SHA1

        0b4a38082e465f06d75a7b41c2d2ccdabefa4a4f

        SHA256

        2604fc6b89801d0f903df401a9c692a05034b0d692a38fd5dbda3b1365952ea1

        SHA512

        0b961c9fc6d89a887589fd393ffe8a825a843db474f7dc57f51d7017484778485a45cf3212219c59df3508357c3e8d5bc371c25b8ec75660cb8c2553944fcc5d

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\lQ5WA6Br.exe

        Filesize

        647KB

        MD5

        7c4c5fd169fe6ac7f28361d670ef4ff8

        SHA1

        0c5dcb305ba7237d3d6118994963329bddbf966f

        SHA256

        b1832bf0a9dae9a250b34b7540b465547964b0b04e4e14140f37b85c871f62f4

        SHA512

        9d19072849a3c4b827d1916a1605ca18c65e16234ba194c4a55c19a383e1af553ebf0b7a127dab591859c464d20a5c3b4b3210543f12d5e5ae6292eee80d848b

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FV3HP2qO.exe

        Filesize

        450KB

        MD5

        e40370ce84c64294d3068a86f4b1ba11

        SHA1

        7880c6832478097647a58e8e9d2438ab2a9c13c1

        SHA256

        2ad1c4ec24d69c17a3b5f3a7f41b6dfbfc22bbae50595e99c9c567f77601606b

        SHA512

        51a094f21bb124b96902eac651e6644e2ba3e3fb89badf4179c4ed50e221c1b2201008b7cad1934d8670d7580b606f1108de6070c0de1fb2683d8d1210c5021d

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1mw37py4.exe

        Filesize

        447KB

        MD5

        52e78ca4fc34e56b2fe84606d55aea50

        SHA1

        d78d1875829ac23f644cddfddd5a6cdcd296225a

        SHA256

        870d6301357edd2246b7be5e74dc587ef43618489429ce0f477ae7ef5a54935f

        SHA512

        f863763dd175a4e227d75b71bbb0253603fa9961e872c5ab3eb13defe500b00264ec4577038fb18b379c40f9d9c36864d6e8ab88947d73e26475f37609be1bb7

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Hb570Ml.exe

        Filesize

        221KB

        MD5

        00c478b4084737c66770b833561a9484

        SHA1

        7cceccb29438fb024ed5a48948d41acb6e80e96f

        SHA256

        69eceffdcf95875db9b0a812303f32fa953b932e6c03c988f3e0aa157063d1a7

        SHA512

        5d51549f44169c8803b31fa7cdf92722f87baca5be66db3d884afe5edba646b99dba43402ded8fe0d9fcbe6336dcd5a98a81e3abbe5d3fc6240c128bbc794809

      • memory/1372-28-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/1372-31-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/1372-29-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/3268-35-0x0000000000140000-0x000000000017E000-memory.dmp

        Filesize

        248KB

      • memory/3268-36-0x0000000007500000-0x0000000007AA4000-memory.dmp

        Filesize

        5.6MB

      • memory/3268-37-0x0000000007030000-0x00000000070C2000-memory.dmp

        Filesize

        584KB

      • memory/3268-38-0x00000000045E0000-0x00000000045EA000-memory.dmp

        Filesize

        40KB

      • memory/3268-39-0x00000000080D0000-0x00000000086E8000-memory.dmp

        Filesize

        6.1MB

      • memory/3268-40-0x0000000007390000-0x000000000749A000-memory.dmp

        Filesize

        1.0MB

      • memory/3268-41-0x0000000007240000-0x0000000007252000-memory.dmp

        Filesize

        72KB

      • memory/3268-42-0x00000000072A0000-0x00000000072DC000-memory.dmp

        Filesize

        240KB

      • memory/3268-43-0x00000000072E0000-0x000000000732C000-memory.dmp

        Filesize

        304KB