Analysis

  • max time kernel
    153s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2023 12:13

General

  • Target

    NEAS.63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8_JC.exe

  • Size

    1.2MB

  • MD5

    919b359a73a034bd1742a3846ce1332d

  • SHA1

    e82d56a9aeeb2b8a4568b7bd86d94f8ad4565e13

  • SHA256

    63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8

  • SHA512

    c5893022d530cfa36dbd8b7eb7aa45655caaee99f64bc456dfa0d8147e5d09afd49835804f4287e7cdb0b64a5850010b78e34c9f0ca0d36c19c4bbc677878f2a

  • SSDEEP

    24576:9y2CyMEv4qZAina4sIgXajxFCv0RuSR8Ghl3GSKc5yDIEGAMT:Y2CyMQ5lgSxFJRuNcG45yDIEtM

Malware Config

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.63e6b5c83075ac978e67dd3e333b3a73cf6c4d1c644a3e8975acdc6fb9c7c1f8_JC.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cr1JE3um.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cr1JE3um.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4484
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4064
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4740
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:3828
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 540
                    8⤵
                    • Program crash
                    PID:364
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 148
                  7⤵
                  • Program crash
                  PID:1248
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
                6⤵
                • Executes dropped EXE
                PID:3084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3828 -ip 3828
      1⤵
        PID:3880
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4740 -ip 4740
        1⤵
          PID:1452

        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\cr1JE3um.exe
          Filesize

          1.0MB

          MD5

          4b07af558f84910eaa3d63763854b3e3

          SHA1

          4c13004bd5bdbca5be2e91632996199dfe587bc8

          SHA256

          11afd9400bf51a5548304406f5fc99260b81665b8a524cdc2f66fa2c599eea4f

          SHA512

          ec9c20e9fcb88514f1b496f63ebf8d37848497b13043f409a0f890af8e7100f0f6410ee0250790ff666f8ae2458750aeab9ff760bdaf568b5e86b4f42a6a6740

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cr1JE3um.exe
          Filesize

          1.0MB

          MD5

          4b07af558f84910eaa3d63763854b3e3

          SHA1

          4c13004bd5bdbca5be2e91632996199dfe587bc8

          SHA256

          11afd9400bf51a5548304406f5fc99260b81665b8a524cdc2f66fa2c599eea4f

          SHA512

          ec9c20e9fcb88514f1b496f63ebf8d37848497b13043f409a0f890af8e7100f0f6410ee0250790ff666f8ae2458750aeab9ff760bdaf568b5e86b4f42a6a6740

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
          Filesize

          884KB

          MD5

          d0a38fd572892b5ca6bc0cccfcfff8cd

          SHA1

          b70a6403e5445444242fa96f3535a085ab676411

          SHA256

          0a2c6fe1b3cdd539a17485257f3bad773b652f7099c83e35dda9ee2f75fea5a9

          SHA512

          cf85778b76bfb4047ffba4bae8dbc5aa46de04144ef8358d6d08528e8d115d6983e32e971cc85e8fd78a8ae197e4771b3693641d5c686cb1409e95a2b3a7def1

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\FC6tv4md.exe
          Filesize

          884KB

          MD5

          d0a38fd572892b5ca6bc0cccfcfff8cd

          SHA1

          b70a6403e5445444242fa96f3535a085ab676411

          SHA256

          0a2c6fe1b3cdd539a17485257f3bad773b652f7099c83e35dda9ee2f75fea5a9

          SHA512

          cf85778b76bfb4047ffba4bae8dbc5aa46de04144ef8358d6d08528e8d115d6983e32e971cc85e8fd78a8ae197e4771b3693641d5c686cb1409e95a2b3a7def1

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
          Filesize

          590KB

          MD5

          5ced63ca97659399d379b8ab208033e6

          SHA1

          04cbd7f0d3c79620d57da28547a002d4377954b1

          SHA256

          65d23f369e1f103ea46705583dc94ff6fe4768ef7ab61d2668f2b1ac9ff29179

          SHA512

          b4f13b172a7aece43ab74fb9e9897cf69c7edddbf3757d06355c8b4977d359a0e68f6b9b2a56e6220e926a54eef0126d0c0029e3c39105c8c97db1e7d296efba

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\TN9LK8kk.exe
          Filesize

          590KB

          MD5

          5ced63ca97659399d379b8ab208033e6

          SHA1

          04cbd7f0d3c79620d57da28547a002d4377954b1

          SHA256

          65d23f369e1f103ea46705583dc94ff6fe4768ef7ab61d2668f2b1ac9ff29179

          SHA512

          b4f13b172a7aece43ab74fb9e9897cf69c7edddbf3757d06355c8b4977d359a0e68f6b9b2a56e6220e926a54eef0126d0c0029e3c39105c8c97db1e7d296efba

        • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
          Filesize

          417KB

          MD5

          cbc6cdbc6ed4cb4e6f707ca035388888

          SHA1

          cd267c98c8e32810d7d24012e63ad14a07493956

          SHA256

          197f85851b15bbe9c2154c2c7a2d40bcaa96fcf4fb46db5402a01d972c83de10

          SHA512

          d45441959e5302fefcd5c03d8dc9576c4bd7816758781e5cc60a06cbeefe898aaf4bec56dcf07f500049180615ab940e7e7b408c6636d83c779fd4ae2e6dfcc7

        • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jl7FN3zr.exe
          Filesize

          417KB

          MD5

          cbc6cdbc6ed4cb4e6f707ca035388888

          SHA1

          cd267c98c8e32810d7d24012e63ad14a07493956

          SHA256

          197f85851b15bbe9c2154c2c7a2d40bcaa96fcf4fb46db5402a01d972c83de10

          SHA512

          d45441959e5302fefcd5c03d8dc9576c4bd7816758781e5cc60a06cbeefe898aaf4bec56dcf07f500049180615ab940e7e7b408c6636d83c779fd4ae2e6dfcc7

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
          Filesize

          378KB

          MD5

          2f4bdedb6ad8bea59b3effee4b867f07

          SHA1

          cfa2376e4fe3c7cb998104eba4bb78e58e9b59c7

          SHA256

          8b0d0ed4daa91634ee6554113d721a661dbacc9a82ed52ea23bd863c88a794c0

          SHA512

          f60afc332fc497e9e9bb9422b5d69f592617e37674131e74825d60ce2e3b3f9453acb9bba1b7b3d9761c5e8078ece8a9fe1e935b4d5383cbb85e6ac5237c3ca8

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Zg42Ch1.exe
          Filesize

          378KB

          MD5

          2f4bdedb6ad8bea59b3effee4b867f07

          SHA1

          cfa2376e4fe3c7cb998104eba4bb78e58e9b59c7

          SHA256

          8b0d0ed4daa91634ee6554113d721a661dbacc9a82ed52ea23bd863c88a794c0

          SHA512

          f60afc332fc497e9e9bb9422b5d69f592617e37674131e74825d60ce2e3b3f9453acb9bba1b7b3d9761c5e8078ece8a9fe1e935b4d5383cbb85e6ac5237c3ca8

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
          Filesize

          231KB

          MD5

          8f9802dc7b6f6e93ec6a66411bdbe032

          SHA1

          42527fbff798ca747257573028ceebb7c9b5511d

          SHA256

          ef4e9ad7ac8337a48451fc2abf251f4bc478381a72787fbcef58c97ea10578f4

          SHA512

          724c38fd5552d1a2caa0c3a725317d4c3e1ec61fae9feb22e56cd00c0b02936763a5774cc0e5b8f36afb956a73637b6195e6091faf1af6f039fb5ef743d497f4

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Za650ia.exe
          Filesize

          231KB

          MD5

          8f9802dc7b6f6e93ec6a66411bdbe032

          SHA1

          42527fbff798ca747257573028ceebb7c9b5511d

          SHA256

          ef4e9ad7ac8337a48451fc2abf251f4bc478381a72787fbcef58c97ea10578f4

          SHA512

          724c38fd5552d1a2caa0c3a725317d4c3e1ec61fae9feb22e56cd00c0b02936763a5774cc0e5b8f36afb956a73637b6195e6091faf1af6f039fb5ef743d497f4

        • memory/3084-46-0x0000000007550000-0x00000000075E2000-memory.dmp
          Filesize

          584KB

        • memory/3084-43-0x0000000074540000-0x0000000074CF0000-memory.dmp
          Filesize

          7.7MB

        • memory/3084-47-0x0000000007540000-0x0000000007550000-memory.dmp
          Filesize

          64KB

        • memory/3084-55-0x0000000007540000-0x0000000007550000-memory.dmp
          Filesize

          64KB

        • memory/3084-48-0x0000000007650000-0x000000000765A000-memory.dmp
          Filesize

          40KB

        • memory/3084-44-0x00000000007C0000-0x00000000007FE000-memory.dmp
          Filesize

          248KB

        • memory/3084-45-0x0000000007A60000-0x0000000008004000-memory.dmp
          Filesize

          5.6MB

        • memory/3084-49-0x0000000008630000-0x0000000008C48000-memory.dmp
          Filesize

          6.1MB

        • memory/3084-54-0x0000000074540000-0x0000000074CF0000-memory.dmp
          Filesize

          7.7MB

        • memory/3084-53-0x0000000007A00000-0x0000000007A4C000-memory.dmp
          Filesize

          304KB

        • memory/3084-52-0x0000000007880000-0x00000000078BC000-memory.dmp
          Filesize

          240KB

        • memory/3084-50-0x00000000078F0000-0x00000000079FA000-memory.dmp
          Filesize

          1.0MB

        • memory/3084-51-0x0000000007820000-0x0000000007832000-memory.dmp
          Filesize

          72KB

        • memory/3828-36-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB

        • memory/3828-39-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB

        • memory/3828-35-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB

        • memory/3828-37-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB