Analysis

  • max time kernel
    145s
  • 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
    23-05-2024 17:01

General

  • Target

    1e3157fc3db10cb11bb1542831b9f07071a4baad8bb0d42282a3bd9141423798.exe

  • Size

    991KB

  • MD5

    be582c12844f5f5dddd1d613957799da

  • SHA1

    74dade2c7e5ac082f6942497e78608a33610af0a

  • SHA256

    1e3157fc3db10cb11bb1542831b9f07071a4baad8bb0d42282a3bd9141423798

  • SHA512

    233eba01255605cf18bf64cfea8b100758f615b6506f80de2aff7c4047ec2e5fd3487eae04cfbe00f796d8cf2c8b7c8c98b2187a54b2bf756c6103bd8eedffd0

  • SSDEEP

    24576:pyuRmIEimkREuj6PmXXXmemqY++LKGoq+h:cu9h0uj6WHmegYGoq+

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 3 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e3157fc3db10cb11bb1542831b9f07071a4baad8bb0d42282a3bd9141423798.exe
    "C:\Users\Admin\AppData\Local\Temp\1e3157fc3db10cb11bb1542831b9f07071a4baad8bb0d42282a3bd9141423798.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bl1zI65.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bl1zI65.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ER4pw82.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ER4pw82.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4572
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1UQ09td3.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1UQ09td3.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4720
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Eg6560.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Eg6560.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1980
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:780
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 596
              5⤵
              • Program crash
              PID:1376
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3GE77HF.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3GE77HF.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4704
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:3344
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:3020
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                4⤵
                  PID:1064
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  4⤵
                  • Checks SCSI registry key(s)
                  PID:3172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 608
                  4⤵
                  • Program crash
                  PID:3756
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4ci317VO.exe
              C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4ci317VO.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1832
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                3⤵
                  PID:1108
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 156
                  3⤵
                  • Program crash
                  PID:3828
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1980 -ip 1980
              1⤵
                PID:4568
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4704 -ip 4704
                1⤵
                  PID:2296
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1832 -ip 1832
                  1⤵
                    PID:4476

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4ci317VO.exe

                    Filesize

                    459KB

                    MD5

                    a38ce3e2dc246d8e40f95186737c588f

                    SHA1

                    87eb3f865fdd506f345d1d586f4d8c4d490f669a

                    SHA256

                    c42efcd5f53c75f36a6ed5c8f8be82359b848285ffb0fc5acc12fbd625c7028e

                    SHA512

                    9b6dec7f0eaae988f522ec927e0082dd03ead7605387c52d6184ee899154c85e9f180622b7ca32377a9e9a0b1972e24131e0a47e2b27797c55736b25261d27c9

                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bl1zI65.exe

                    Filesize

                    696KB

                    MD5

                    ab140b00cb345dac8addfdaf0aded068

                    SHA1

                    09443e7f0a53cafd52c746ef013aec0a521dba17

                    SHA256

                    31a6d9124dada285c1a6fe29448d49b90b21805cce361c3cdb5af9dc4aea31ac

                    SHA512

                    8f44c1665257a4a5e8435e7f8ca60f6fd27b11fe87955cb13d4b08e8c1fa275b46e9c1273427247eab2c8c09cae7dcc5b5ed530bccd161d80f5364702f584e75

                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3GE77HF.exe

                    Filesize

                    268KB

                    MD5

                    f09b788bfb242f8edcb4b4ab2bd0275a

                    SHA1

                    71b2273479460cbda9d08073d0b116935d2c6813

                    SHA256

                    f291d8694f3198b824474d57a18792218a5d622f2f59370efe6679563db87521

                    SHA512

                    709bdc1a303159b27f7e7fa793d1c78f3d6223b5a3ba2c03cbea36eafc1bd0e2edc1bd19e61f7ed5ca53a1ab5018d7c171fc9c3c4ff67b02b4087a07cfd5dda6

                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ER4pw82.exe

                    Filesize

                    452KB

                    MD5

                    ed0c168c6d5429ab8a2a1c7fd31e91c6

                    SHA1

                    50195d907d10a6c56d479a2ddd9e9e3e27bd340d

                    SHA256

                    064bacb6978ed2c988382e83c9c8f4b894da16f92be7aa448733bb51d90eadfb

                    SHA512

                    3db371a6047f2154218ca6fe0aa4378bb9c9519d7219ca9b493ba2f4856312025f63b03908e66ebde073c2447dc5240a05a83b092b3f9171c928a7c5d1356cf1

                  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1UQ09td3.exe

                    Filesize

                    192KB

                    MD5

                    8904f85abd522c7d0cb5789d9583ccff

                    SHA1

                    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

                    SHA256

                    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

                    SHA512

                    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

                  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2Eg6560.exe

                    Filesize

                    378KB

                    MD5

                    f0831f173733de08511f3a0739f278a6

                    SHA1

                    06dc809d653c5d2c97386084ae13b50a73eb5b60

                    SHA256

                    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

                    SHA512

                    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

                  • memory/780-56-0x0000000000400000-0x0000000000428000-memory.dmp

                    Filesize

                    160KB

                  • memory/780-59-0x0000000000400000-0x0000000000428000-memory.dmp

                    Filesize

                    160KB

                  • memory/780-57-0x0000000000400000-0x0000000000428000-memory.dmp

                    Filesize

                    160KB

                  • memory/1108-73-0x0000000007700000-0x000000000773C000-memory.dmp

                    Filesize

                    240KB

                  • memory/1108-68-0x0000000007340000-0x00000000073D2000-memory.dmp

                    Filesize

                    584KB

                  • memory/1108-67-0x0000000000400000-0x000000000043E000-memory.dmp

                    Filesize

                    248KB

                  • memory/1108-69-0x00000000026C0000-0x00000000026CA000-memory.dmp

                    Filesize

                    40KB

                  • memory/1108-70-0x0000000008420000-0x0000000008A38000-memory.dmp

                    Filesize

                    6.1MB

                  • memory/1108-71-0x0000000007E00000-0x0000000007F0A000-memory.dmp

                    Filesize

                    1.0MB

                  • memory/1108-72-0x0000000007580000-0x0000000007592000-memory.dmp

                    Filesize

                    72KB

                  • memory/1108-74-0x0000000007740000-0x000000000778C000-memory.dmp

                    Filesize

                    304KB

                  • memory/3172-63-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB

                  • memory/4720-49-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-29-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-25-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-31-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-33-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-35-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-37-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-39-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-41-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-43-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-45-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-47-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-51-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-27-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-24-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

                    Filesize

                    88KB

                  • memory/4720-23-0x0000000004AD0000-0x0000000004AEC000-memory.dmp

                    Filesize

                    112KB

                  • memory/4720-22-0x0000000004C40000-0x00000000051E4000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/4720-21-0x00000000022D0000-0x00000000022EE000-memory.dmp

                    Filesize

                    120KB