Analysis

  • max time kernel
    148s
  • 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
    22-05-2024 18:47

General

  • Target

    eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe

  • Size

    771KB

  • MD5

    593fd33436446b18f88bd2d596dc126f

  • SHA1

    1ab1f4b4a6057cf0d51780194be0a4358502fa30

  • SHA256

    eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228

  • SHA512

    92c5f75ae577806092ba01d709b498aa122df86d7bcc6b7b15aee4ff1fc84137309a66fd5a6a66ba9f05c44113edffe4aa6fd81e218f8d4121b2dc0ef4680604

  • SSDEEP

    12288:TMrJy90MI57GM5n2MwKciVlDz22oIjdLibc69f44FJ2RHDBUwXpZfSr:Sy3q7GMHfRVlH2IjdO5fHOuwXpZfA

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 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe
    "C:\Users\Admin\AppData\Local\Temp\eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\de1SU1IX.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\de1SU1IX.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:228
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:1944
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:2932
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                4⤵
                  PID:3760
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 540
                    5⤵
                    • Program crash
                    PID:4432
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 604
                  4⤵
                  • Program crash
                  PID:552
              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe
                C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe
                3⤵
                • Executes dropped EXE
                PID:1420
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
            1⤵
              PID:2168
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1260 -ip 1260
              1⤵
                PID:3612

              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\de1SU1IX.exe
                Filesize

                574KB

                MD5

                56a3533e11d930bb10849c86035a3935

                SHA1

                1557777bc6b0509ef61d7af2757cc0fe47a272ac

                SHA256

                04d3cc48c2b6440c24744aa5a39d6d140e9253296dc63fcb36a21768842b14eb

                SHA512

                676390684bd9743e385b24d38ab9b0c07517a4c99e10ce9136f31a7462af83d73ade0b481627a73c2257a783b960db40b00edfd3a1581233a085eca96ca6a698

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1ZN78Rn2.exe
                Filesize

                1.1MB

                MD5

                74417a8688c4f07ac2037c4231a1ebe6

                SHA1

                7ebfca74ebb71ea19fe9032f50b9ab4b217002bf

                SHA256

                91fbb98c754b6caf274d397c2e4648d9e0d5ebb873d38d2e20e0dd2bf303255c

                SHA512

                5ac8d00b56e3ed938e02c90daf2122342b24af653df25a65901372c977134ecdd75d25866a7cd484116a6431b37cc5eb4e077c7c524189cce27e955d8f3329ee

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2IN840xH.exe
                Filesize

                223KB

                MD5

                012a0e4e7350b0c4015dcce14c0f1a85

                SHA1

                a1f7b888d03e2c4864fbf468c5433f6a9cee2f5b

                SHA256

                5d6e27320b3a7f6b1072907f3a49cdc961c23e462788f30ad5bd415fdbee2f3f

                SHA512

                69a503d0968489f93caff3bae0b76c549b8eb21b2ec3c28beded2307fe474b71a377eb61220957cc9a44d696cd1f3f0d83055001a067375ea20971cae42075f3

              • memory/1420-27-0x0000000008160000-0x000000000826A000-memory.dmp
                Filesize

                1.0MB

              • memory/1420-22-0x00000000008D0000-0x000000000090E000-memory.dmp
                Filesize

                248KB

              • memory/1420-23-0x0000000007BB0000-0x0000000008154000-memory.dmp
                Filesize

                5.6MB

              • memory/1420-24-0x00000000076A0000-0x0000000007732000-memory.dmp
                Filesize

                584KB

              • memory/1420-25-0x0000000004C60000-0x0000000004C6A000-memory.dmp
                Filesize

                40KB

              • memory/1420-26-0x0000000008780000-0x0000000008D98000-memory.dmp
                Filesize

                6.1MB

              • memory/1420-28-0x00000000077C0000-0x00000000077D2000-memory.dmp
                Filesize

                72KB

              • memory/1420-29-0x0000000007A90000-0x0000000007ACC000-memory.dmp
                Filesize

                240KB

              • memory/1420-30-0x0000000007AD0000-0x0000000007B1C000-memory.dmp
                Filesize

                304KB

              • memory/3760-18-0x0000000000400000-0x0000000000434000-memory.dmp
                Filesize

                208KB

              • memory/3760-15-0x0000000000400000-0x0000000000434000-memory.dmp
                Filesize

                208KB

              • memory/3760-16-0x0000000000400000-0x0000000000434000-memory.dmp
                Filesize

                208KB

              • memory/3760-14-0x0000000000400000-0x0000000000434000-memory.dmp
                Filesize

                208KB