Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 08:41

General

  • Target

    61799398eaa0d8b997b6fa9158074d701b10e120c7cac093e92c6dfbd278f50c.exe

  • Size

    1.2MB

  • MD5

    b98446b0f18286a42da76de220776baa

  • SHA1

    a71b450e1661dcde86def137230b3caa1b55e6a3

  • SHA256

    61799398eaa0d8b997b6fa9158074d701b10e120c7cac093e92c6dfbd278f50c

  • SHA512

    a3880d6f69705178d6847e326d54f30a2bd9f739946426af2125502ee32a494691cf0df1a1e55e34c17a9bd3db4291e98e67f7db8accdf50166e201299532e08

  • SSDEEP

    24576:iyEr/lyO4yJtpTven2JuR98YZ1uIEUs74Vlpu4yNkXPGLJpqYm:JELfVJtpnJuh1uJ374VXu4sEPGLJpqY

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 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61799398eaa0d8b997b6fa9158074d701b10e120c7cac093e92c6dfbd278f50c.exe
    "C:\Users\Admin\AppData\Local\Temp\61799398eaa0d8b997b6fa9158074d701b10e120c7cac093e92c6dfbd278f50c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OA7HZ0Ce.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OA7HZ0Ce.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bb0hH6jn.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bb0hH6jn.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4208
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\RQ9Yn7jE.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\RQ9Yn7jE.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\QK5dq7Hg.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\QK5dq7Hg.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:908
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ow05AM1.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ow05AM1.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4296
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2604
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 600
                  7⤵
                  • Program crash
                  PID:2648
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Ht041VO.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Ht041VO.exe
                6⤵
                • Executes dropped EXE
                PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4296 -ip 4296
      1⤵
        PID:4532

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OA7HZ0Ce.exe
        Filesize

        1.1MB

        MD5

        cbcfc7a8078e6008d13cbd3ed62e5149

        SHA1

        7281fd40a65e85da6cdf0ea31c80a8e90a87abd7

        SHA256

        18d9453558560c4eb4b2cff1462bb60c98921784ef8c1c28910c7b788338114f

        SHA512

        1535c9b53e25241774ab6b955fd151abdb239f75fc214a6f8b2a96f34d9ed12b7c1db4dacdae71523695847925b5680e3b8faa8c2a08d444c7c66824eef028b7

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bb0hH6jn.exe
        Filesize

        934KB

        MD5

        cab5e975eb9dd942c301f1f7968694a9

        SHA1

        b867ae819094b137fa4d6c2c84be466218e0121e

        SHA256

        180f9f583d79a0222c60b71f1e80b7dcf9e43967b51c79f823d31e78aa0da3ea

        SHA512

        d00dd58e28cfaae7ef23d8147aa89c9103317147e824c928c60a4a053c762de0935177a42fb55c0909f6dfa402fc4125bb7771e39e8af9eaecf9034adfef1924

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\RQ9Yn7jE.exe
        Filesize

        639KB

        MD5

        a9b0e1de237c6b2d8823e6b97e951d48

        SHA1

        09d901dfaa64656145abe69839418ea55ca50db3

        SHA256

        84967242c0d34785b778282b54b131abbf60cd183c61f1f3628e0a1168658889

        SHA512

        7e1eed17dc834cfad6db0172334d83a4216b92466355b0e41124f37497db8e7a205d6862135194c5c799a5b9f5ad500741bcdfcac08d19f5772ea852e0bc83cc

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\QK5dq7Hg.exe
        Filesize

        443KB

        MD5

        2f9ef32f70e4bdfcb59084c179e1c2b4

        SHA1

        270e89f35f3969cb08c46efffbfb491fdb81758f

        SHA256

        d9a3fd5af5abd5a5fdba99b0b08c11c1c53bf614729a81caf704e53209a00bc2

        SHA512

        8c290a715abd128a893aef16bd1ea584453a08fe22d431df3cdbad7f3c8140f69991f830e734962f758604ea5669b978e2f729878b32aafd7196182e4bb7dad0

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ow05AM1.exe
        Filesize

        422KB

        MD5

        4c143d833fb3ab835a2cedba32693e3c

        SHA1

        1eaa42218cf2fa6e29a7897834bdbef3dfd8c485

        SHA256

        b5487f674b7895a572bdbf80bfb688c69cca8ec8ea6a5461bac1b8c51cf959f3

        SHA512

        e5748c4b30f48d6e998d1c9f7edd791be0c196055841d166e6a271180a812557b5f4b32fafc549ef0f6cc496f8a0b125f8a4ba230720f1567b78b644b8d4d58e

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Ht041VO.exe
        Filesize

        221KB

        MD5

        0f42c03b65c28ec29a5dea5eb79abbdb

        SHA1

        b37e052cab05b605cca9aa940466387cb7c58299

        SHA256

        a7d6c01096fc9729075adb5c5dca17f20062b32c7cbbf68c3e1d4675856bacbe

        SHA512

        25f68b2a39310aa52077f302dbdff3aba1bf4d5ae5c243c90d5444272cfc75e3fa25ec5afed85f37739688e0c2422c1f32041732c1e738ed07a3f98fcc1d7f7a

      • memory/2424-42-0x0000000000480000-0x00000000004BE000-memory.dmp
        Filesize

        248KB

      • memory/2424-43-0x0000000007800000-0x0000000007DA4000-memory.dmp
        Filesize

        5.6MB

      • memory/2424-44-0x0000000007340000-0x00000000073D2000-memory.dmp
        Filesize

        584KB

      • memory/2424-45-0x0000000002770000-0x000000000277A000-memory.dmp
        Filesize

        40KB

      • memory/2424-46-0x00000000083D0000-0x00000000089E8000-memory.dmp
        Filesize

        6.1MB

      • memory/2424-47-0x0000000007DB0000-0x0000000007EBA000-memory.dmp
        Filesize

        1.0MB

      • memory/2424-48-0x0000000007490000-0x00000000074A2000-memory.dmp
        Filesize

        72KB

      • memory/2424-49-0x00000000074F0000-0x000000000752C000-memory.dmp
        Filesize

        240KB

      • memory/2424-50-0x0000000007640000-0x000000000768C000-memory.dmp
        Filesize

        304KB

      • memory/2604-38-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/2604-36-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/2604-35-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB