Analysis

  • max time kernel
    169s
  • max time network
    175s
  • 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 10:38

General

  • Target

    NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe

  • Size

    511KB

  • MD5

    709cc6405e84f53ee9c803b9efffad84

  • SHA1

    ce9271390b643aabb68aedde521256724f214edc

  • SHA256

    da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7

  • SHA512

    7d1825f9477355e3c86fc32c0cddb194acdd39466237ccae2b1f31a685f1f98d744178f5e39451bd646e268b69341e7af2b727dc3a9ac3df413a8d453f377060

  • SSDEEP

    12288:YMrDy90ZUAq8MF9u7wIWMSQY8TUs22uN+4+wSRkF+Xk0xfBDco:7yOik5WhQYSz22uQUSGgfBQo

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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.da0f3c58f697d09020769b3ae3168edfb080653c77919acb275916e55d1c78d7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4672
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:2508
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:3616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 540
                5⤵
                • Program crash
                PID:1136
          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe
            C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4840
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:548
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe
            2⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2980
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
              3⤵
                PID:4924
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3616 -ip 3616
            1⤵
              PID:2736

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe

              Filesize

              73KB

              MD5

              7ecd46af3b0204fe6ec2fab982c28253

              SHA1

              6865fe0d8a17476f5f7070ff3e6fe443c3c93df0

              SHA256

              bb006c9e32e3e006fd95a89866e0e3530916eff79947e76001bf98f33240d5a7

              SHA512

              b7bd15113a7b2aa4538eda8eb80658e1230212c8376c4e42ad651ed98d9e13900ea7456de3409017c4eeb6d3a1d7968b42ee2cffecf5986cdaf99c995e515a89

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5yS53LI.exe

              Filesize

              73KB

              MD5

              7ecd46af3b0204fe6ec2fab982c28253

              SHA1

              6865fe0d8a17476f5f7070ff3e6fe443c3c93df0

              SHA256

              bb006c9e32e3e006fd95a89866e0e3530916eff79947e76001bf98f33240d5a7

              SHA512

              b7bd15113a7b2aa4538eda8eb80658e1230212c8376c4e42ad651ed98d9e13900ea7456de3409017c4eeb6d3a1d7968b42ee2cffecf5986cdaf99c995e515a89

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

              Filesize

              389KB

              MD5

              e5089522ed90f7cb165aaa54a7d4685f

              SHA1

              c91f6cf3993f33d2da203948b368aa6fc776cf0e

              SHA256

              ff90b6385edbf70afb8656152ed6e77fe9e5a62b5c71db41a690d433f9cf6c90

              SHA512

              bf3209cfc5f72d77e84be6389e7b6a752d3952b5b8b07bd10f66852111a9e735a87ce622fd1db1afe3f47f45f7321f1c1e242fc148a69106afb3b51194ceb4c6

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sc3Qt65.exe

              Filesize

              389KB

              MD5

              e5089522ed90f7cb165aaa54a7d4685f

              SHA1

              c91f6cf3993f33d2da203948b368aa6fc776cf0e

              SHA256

              ff90b6385edbf70afb8656152ed6e77fe9e5a62b5c71db41a690d433f9cf6c90

              SHA512

              bf3209cfc5f72d77e84be6389e7b6a752d3952b5b8b07bd10f66852111a9e735a87ce622fd1db1afe3f47f45f7321f1c1e242fc148a69106afb3b51194ceb4c6

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe

              Filesize

              300KB

              MD5

              784667bb96ccb30c4cf44f2c5f493769

              SHA1

              28185165ab4dbbb4a139ae1af0bb6934ebe05c04

              SHA256

              1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

              SHA512

              62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3at482XL.exe

              Filesize

              300KB

              MD5

              784667bb96ccb30c4cf44f2c5f493769

              SHA1

              28185165ab4dbbb4a139ae1af0bb6934ebe05c04

              SHA256

              1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

              SHA512

              62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.exe

              Filesize

              339KB

              MD5

              14d9834611ad581afcfea061652ff6cb

              SHA1

              802f964d0be7858eb2f1e7c6fcda03501fd1b71c

              SHA256

              e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

              SHA512

              cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4tS4zK4.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/548-41-0x0000000007BB0000-0x0000000007BC2000-memory.dmp

              Filesize

              72KB

            • memory/548-38-0x0000000007940000-0x000000000794A000-memory.dmp

              Filesize

              40KB

            • memory/548-45-0x0000000005510000-0x0000000005520000-memory.dmp

              Filesize

              64KB

            • memory/548-28-0x0000000074160000-0x0000000074910000-memory.dmp

              Filesize

              7.7MB

            • memory/548-29-0x0000000007E90000-0x0000000008434000-memory.dmp

              Filesize

              5.6MB

            • memory/548-31-0x0000000007980000-0x0000000007A12000-memory.dmp

              Filesize

              584KB

            • memory/548-33-0x0000000005510000-0x0000000005520000-memory.dmp

              Filesize

              64KB

            • memory/548-22-0x0000000000400000-0x000000000043C000-memory.dmp

              Filesize

              240KB

            • memory/548-44-0x0000000074160000-0x0000000074910000-memory.dmp

              Filesize

              7.7MB

            • memory/548-43-0x0000000007DA0000-0x0000000007DEC000-memory.dmp

              Filesize

              304KB

            • memory/548-39-0x0000000008A60000-0x0000000009078000-memory.dmp

              Filesize

              6.1MB

            • memory/548-40-0x0000000007C90000-0x0000000007D9A000-memory.dmp

              Filesize

              1.0MB

            • memory/548-42-0x0000000007C10000-0x0000000007C4C000-memory.dmp

              Filesize

              240KB

            • memory/3616-19-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/3616-15-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/3616-16-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/3616-14-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB