Analysis

  • max time kernel
    180s
  • max time network
    188s
  • 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 10:07

General

  • Target

    NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe

  • Size

    511KB

  • MD5

    8a4f8f551774b14ff317adcb3d48be32

  • SHA1

    1d548c91ec129600833b545d9d7f7b5abbc3473e

  • SHA256

    9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c

  • SHA512

    af25584b5cea5f4a74484097dde18d271e89152c875e792605e729484ec4a754e212e4cf5d98688e6b905614d44019209811412d1d678c9f7a1b85654275a972

  • SSDEEP

    12288:aMrXy90P6Gd5+n2efK6gMXCY8TUs2ruA+4+wSRRFwXvX:1yw6Gen2h//YSz2runUSH6/

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.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.9aef5964693a4fcbe366f7df0610db6a90c841bbf75a666445e3f76909efc92c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:4788
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 548
              5⤵
              • Program crash
              PID:3340
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1540
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:4984
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2272
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
            3⤵
              PID:3980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4788 -ip 4788
          1⤵
            PID:3396

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe

            Filesize

            73KB

            MD5

            14f209e560ae95221b644990e1ac4324

            SHA1

            65cafb3a405ea750f8cb577126faedbe71f4fdbc

            SHA256

            d30b994ec6998d0fe8da71e464f9af19bfb017e917dca7f2a4ad4e521e254294

            SHA512

            4e4affa0c7b88899dab1a440bbc20ba4c85366fc9ebd53df85f0bec3b3afb88292f2660e5c9ead16a3cfbffb1e80dff3c7bca5678968c90319158155608f814c

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7ID1tF08.exe

            Filesize

            73KB

            MD5

            14f209e560ae95221b644990e1ac4324

            SHA1

            65cafb3a405ea750f8cb577126faedbe71f4fdbc

            SHA256

            d30b994ec6998d0fe8da71e464f9af19bfb017e917dca7f2a4ad4e521e254294

            SHA512

            4e4affa0c7b88899dab1a440bbc20ba4c85366fc9ebd53df85f0bec3b3afb88292f2660e5c9ead16a3cfbffb1e80dff3c7bca5678968c90319158155608f814c

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe

            Filesize

            389KB

            MD5

            48286a19318748498023d50be43e3215

            SHA1

            767bd66b7a2fd525eb2ad48767bf0b8f7dfd6411

            SHA256

            973a90d81b054adf642bb213aa78baa68ffaaa6474fa1da23d7d3076601b53f5

            SHA512

            13c74cd0ed3ceb09b6ac73b5f817f3623cec00bc8f3a6d239fba99807fd39792e2c8cde4e4a5fe65e4a385d5d3e8c480856028b176877d173996d0820098436d

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cH3AZ92.exe

            Filesize

            389KB

            MD5

            48286a19318748498023d50be43e3215

            SHA1

            767bd66b7a2fd525eb2ad48767bf0b8f7dfd6411

            SHA256

            973a90d81b054adf642bb213aa78baa68ffaaa6474fa1da23d7d3076601b53f5

            SHA512

            13c74cd0ed3ceb09b6ac73b5f817f3623cec00bc8f3a6d239fba99807fd39792e2c8cde4e4a5fe65e4a385d5d3e8c480856028b176877d173996d0820098436d

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Kd40lk2.exe

            Filesize

            300KB

            MD5

            784667bb96ccb30c4cf44f2c5f493769

            SHA1

            28185165ab4dbbb4a139ae1af0bb6934ebe05c04

            SHA256

            1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

            SHA512

            62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.exe

            Filesize

            339KB

            MD5

            14d9834611ad581afcfea061652ff6cb

            SHA1

            802f964d0be7858eb2f1e7c6fcda03501fd1b71c

            SHA256

            e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

            SHA512

            cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2Kp5398.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/4788-18-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4788-16-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4788-15-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4788-14-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4984-34-0x0000000007AE0000-0x0000000007AEA000-memory.dmp

            Filesize

            40KB

          • memory/4984-31-0x00000000078E0000-0x0000000007972000-memory.dmp

            Filesize

            584KB

          • memory/4984-33-0x0000000007AA0000-0x0000000007AB0000-memory.dmp

            Filesize

            64KB

          • memory/4984-29-0x0000000007DF0000-0x0000000008394000-memory.dmp

            Filesize

            5.6MB

          • memory/4984-28-0x0000000073730000-0x0000000073EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/4984-22-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/4984-39-0x00000000089C0000-0x0000000008FD8000-memory.dmp

            Filesize

            6.1MB

          • memory/4984-40-0x00000000083A0000-0x00000000084AA000-memory.dmp

            Filesize

            1.0MB

          • memory/4984-41-0x0000000007BB0000-0x0000000007BC2000-memory.dmp

            Filesize

            72KB

          • memory/4984-42-0x0000000007C20000-0x0000000007C5C000-memory.dmp

            Filesize

            240KB

          • memory/4984-43-0x0000000007C60000-0x0000000007CAC000-memory.dmp

            Filesize

            304KB

          • memory/4984-44-0x0000000073730000-0x0000000073EE0000-memory.dmp

            Filesize

            7.7MB

          • memory/4984-45-0x0000000007AA0000-0x0000000007AB0000-memory.dmp

            Filesize

            64KB