Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 10:08

General

  • Target

    NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe

  • Size

    511KB

  • MD5

    db1259b1ce3a588a3b3ac6f44ae3bb2e

  • SHA1

    f02b3b97409ee639e85018d13eba138ab8fedefb

  • SHA256

    35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a

  • SHA512

    7dcaceb476a5fe517ed3c111147d581eba01f9057d4cb31ef7f5b904cf2ce6d8a53c0e02aa5272e23f9df4bf5a7b0f2a71fdc03a84c7b9c05fb442214180fe4f

  • SSDEEP

    12288:SMr9y90Tc0i/V90LxwpW8Y8TUs2MuX+4+wSR9FCV9f8XOT:Xy0Nl8YSz2MuuUS3af9

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.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3856
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:364
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 540
              5⤵
              • Program crash
              PID:1680
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2808
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:1104
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2388
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
            3⤵
              PID:4344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 364 -ip 364
          1⤵
            PID:5088

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe

            Filesize

            73KB

            MD5

            0783f7eebb467e53bf230841e814a44a

            SHA1

            1f65a8b932f99c29f6e943938bc0664ad09b0d87

            SHA256

            a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622

            SHA512

            75f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe

            Filesize

            73KB

            MD5

            0783f7eebb467e53bf230841e814a44a

            SHA1

            1f65a8b932f99c29f6e943938bc0664ad09b0d87

            SHA256

            a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622

            SHA512

            75f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe

            Filesize

            389KB

            MD5

            2cf77ce37e5be7305da8d9899478ba8a

            SHA1

            b6012947abccb63b621913b8a65b8c3415515e37

            SHA256

            5d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b

            SHA512

            afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe

            Filesize

            389KB

            MD5

            2cf77ce37e5be7305da8d9899478ba8a

            SHA1

            b6012947abccb63b621913b8a65b8c3415515e37

            SHA256

            5d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b

            SHA512

            afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe

            Filesize

            339KB

            MD5

            14d9834611ad581afcfea061652ff6cb

            SHA1

            802f964d0be7858eb2f1e7c6fcda03501fd1b71c

            SHA256

            e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

            SHA512

            cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.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/364-15-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/364-18-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/364-16-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/364-14-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/1104-29-0x0000000007E10000-0x00000000083B4000-memory.dmp

            Filesize

            5.6MB

          • memory/1104-31-0x0000000007940000-0x00000000079D2000-memory.dmp

            Filesize

            584KB

          • memory/1104-33-0x00000000078C0000-0x00000000078D0000-memory.dmp

            Filesize

            64KB

          • memory/1104-22-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/1104-28-0x0000000074330000-0x0000000074AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/1104-38-0x00000000079F0000-0x00000000079FA000-memory.dmp

            Filesize

            40KB

          • memory/1104-39-0x00000000089E0000-0x0000000008FF8000-memory.dmp

            Filesize

            6.1MB

          • memory/1104-40-0x0000000007CB0000-0x0000000007DBA000-memory.dmp

            Filesize

            1.0MB

          • memory/1104-41-0x0000000007BC0000-0x0000000007BD2000-memory.dmp

            Filesize

            72KB

          • memory/1104-42-0x0000000007C20000-0x0000000007C5C000-memory.dmp

            Filesize

            240KB

          • memory/1104-43-0x0000000007C60000-0x0000000007CAC000-memory.dmp

            Filesize

            304KB

          • memory/1104-44-0x0000000074330000-0x0000000074AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/1104-45-0x00000000078C0000-0x00000000078D0000-memory.dmp

            Filesize

            64KB