Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2023 10:03

General

  • Target

    NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe

  • Size

    511KB

  • MD5

    f8e260ec29d11742b48122e6aec82440

  • SHA1

    28ccb82bca2780761d671bc80bcf455ebe66f9a4

  • SHA256

    6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f

  • SHA512

    7891eb0667335fb1997e2cf1d5428dbd5d6c45f46ef2ef773fc9471eb0294815679e000e7a9cc753702977ad4a9222a6aecbe287cebb7b4b33169d1896e9a247

  • SSDEEP

    12288:iMrVy90miBA+St/DIgwsrMkLCY8TUs2EuX+4+wSRQFw/zfQ1WBtI:fyvaTSl80rlCYSz2EuuUS+q/6F

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

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 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:464
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 544
              5⤵
              • Program crash
              PID:2500
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4012
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:4160
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exe
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2252
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
            3⤵
              PID:4704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 464 -ip 464
          1⤵
            PID:4976

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exe

            Filesize

            73KB

            MD5

            9491c5de760f558a0828a7297b0611f5

            SHA1

            f28906fa2f8226b68ec9388ec1469285b67551b1

            SHA256

            59d6fb8ecd3c27ee9fef390870418264542408d50004433056ae12e00143fc97

            SHA512

            dd7ea3139c8445ebab309caaf20c053c052b6b87e39df572417da99e34b6985e74424b1ee8dc33f033e03ba4b2229443a906c08c4b7b4ff5119d206de5a2c6d7

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exe

            Filesize

            73KB

            MD5

            9491c5de760f558a0828a7297b0611f5

            SHA1

            f28906fa2f8226b68ec9388ec1469285b67551b1

            SHA256

            59d6fb8ecd3c27ee9fef390870418264542408d50004433056ae12e00143fc97

            SHA512

            dd7ea3139c8445ebab309caaf20c053c052b6b87e39df572417da99e34b6985e74424b1ee8dc33f033e03ba4b2229443a906c08c4b7b4ff5119d206de5a2c6d7

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exe

            Filesize

            389KB

            MD5

            1c1d4015360a35017eede7baa6df27ac

            SHA1

            8735be3f94d539ea7e5719d5c68d1ebc70c2584f

            SHA256

            df61edb6a899e15b0c7b114762b8868daa24d2fe4d7de35716c7eda04bdb6b92

            SHA512

            e2e8c72786a9a278613c638ad41cd51f57324b46ec6ad22558eb77bee7b213641403236126df7d0549a8fb7187ab6bbff137bb609df0e6935f4c7ae63643153a

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exe

            Filesize

            389KB

            MD5

            1c1d4015360a35017eede7baa6df27ac

            SHA1

            8735be3f94d539ea7e5719d5c68d1ebc70c2584f

            SHA256

            df61edb6a899e15b0c7b114762b8868daa24d2fe4d7de35716c7eda04bdb6b92

            SHA512

            e2e8c72786a9a278613c638ad41cd51f57324b46ec6ad22558eb77bee7b213641403236126df7d0549a8fb7187ab6bbff137bb609df0e6935f4c7ae63643153a

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exe

            Filesize

            339KB

            MD5

            14d9834611ad581afcfea061652ff6cb

            SHA1

            802f964d0be7858eb2f1e7c6fcda03501fd1b71c

            SHA256

            e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

            SHA512

            cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exe

            Filesize

            339KB

            MD5

            14d9834611ad581afcfea061652ff6cb

            SHA1

            802f964d0be7858eb2f1e7c6fcda03501fd1b71c

            SHA256

            e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

            SHA512

            cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

          • C:\Users\Admin\AppData\Local\Temp\is64.bat

            Filesize

            181B

            MD5

            225edee1d46e0a80610db26b275d72fb

            SHA1

            ce206abf11aaf19278b72f5021cc64b1b427b7e8

            SHA256

            e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559

            SHA512

            4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504

          • C:\Users\Admin\AppData\Local\Temp\is64.txt

            Filesize

            3B

            MD5

            a5ea0ad9260b1550a14cc58d2c39b03d

            SHA1

            f0aedf295071ed34ab8c6a7692223d22b6a19841

            SHA256

            f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04

            SHA512

            7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74

          • memory/464-16-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/464-15-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/464-18-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/464-14-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4160-33-0x0000000007A60000-0x0000000007A70000-memory.dmp

            Filesize

            64KB

          • memory/4160-31-0x0000000007890000-0x0000000007922000-memory.dmp

            Filesize

            584KB

          • memory/4160-30-0x0000000007D60000-0x0000000008304000-memory.dmp

            Filesize

            5.6MB

          • memory/4160-28-0x00000000745F0000-0x0000000074DA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4160-22-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/4160-38-0x0000000007A20000-0x0000000007A2A000-memory.dmp

            Filesize

            40KB

          • memory/4160-39-0x0000000008930000-0x0000000008F48000-memory.dmp

            Filesize

            6.1MB

          • memory/4160-40-0x0000000007C40000-0x0000000007D4A000-memory.dmp

            Filesize

            1.0MB

          • memory/4160-41-0x0000000007B00000-0x0000000007B12000-memory.dmp

            Filesize

            72KB

          • memory/4160-42-0x0000000007B60000-0x0000000007B9C000-memory.dmp

            Filesize

            240KB

          • memory/4160-43-0x0000000007BA0000-0x0000000007BEC000-memory.dmp

            Filesize

            304KB

          • memory/4160-44-0x00000000745F0000-0x0000000074DA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4160-45-0x0000000007A60000-0x0000000007A70000-memory.dmp

            Filesize

            64KB