Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2023 10:17

General

  • Target

    NEAS.dd9401d3373b8517e1b75e9e3127a67580ed389c3271f01f1d013f8091f417ab.exe

  • Size

    511KB

  • MD5

    377daaa28eb67ffcbcf27154c7a914e3

  • SHA1

    9631d13976688adfbd85a15f9cbbab70a5647591

  • SHA256

    dd9401d3373b8517e1b75e9e3127a67580ed389c3271f01f1d013f8091f417ab

  • SHA512

    e03831740965a7654818e51272a64966f8d9ccd35c93d3e54736c5473c0cf64599793bbfaa22ce2b354d738148220206555d1e4a8fd0aa8b57576c529b520f84

  • SSDEEP

    12288:FMrjy907Vj9dzZ8iUw7rMeLNcY8TUs26uN+4+wSR2FuC36UAkr9Aan:yyyjd8i/rjOYSz26uQUSMIUAkr9AU

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.dd9401d3373b8517e1b75e9e3127a67580ed389c3271f01f1d013f8091f417ab.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.dd9401d3373b8517e1b75e9e3127a67580ed389c3271f01f1d013f8091f417ab.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Kh5ZH64.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Kh5ZH64.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3VE647hM.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3VE647hM.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4656
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:2032
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:4332
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 544
                5⤵
                • Program crash
                PID:4808
          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4TC0Nt2.exe
            C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4TC0Nt2.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:5116
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:2008
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5OT24dl.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5OT24dl.exe
            2⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3280
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
              3⤵
                PID:3848
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4332 -ip 4332
            1⤵
              PID:2100

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5OT24dl.exe

              Filesize

              73KB

              MD5

              55c1241c770b48a914ab4968ebc17db5

              SHA1

              1d01a2ead88a2ac6c9ff72fd4b0c582adfd0e581

              SHA256

              14544ba6dc5e92f1ba21bf32c637eb9e0cfe05ae1afb78f6c11c57a7bff1130b

              SHA512

              0e87a213e84bd3982dc63963893fbfa5d15e3a236d570d49e178de07e9b17282f7112b650fd9116053150b66aaa52b194343acfa5533023ffc97c367b6b8b5a4

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5OT24dl.exe

              Filesize

              73KB

              MD5

              55c1241c770b48a914ab4968ebc17db5

              SHA1

              1d01a2ead88a2ac6c9ff72fd4b0c582adfd0e581

              SHA256

              14544ba6dc5e92f1ba21bf32c637eb9e0cfe05ae1afb78f6c11c57a7bff1130b

              SHA512

              0e87a213e84bd3982dc63963893fbfa5d15e3a236d570d49e178de07e9b17282f7112b650fd9116053150b66aaa52b194343acfa5533023ffc97c367b6b8b5a4

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Kh5ZH64.exe

              Filesize

              389KB

              MD5

              f663eaf8f8bcff9d10d017f1f410f347

              SHA1

              0530ac8177cc85ca1d91731151d843b1b008899f

              SHA256

              bad39efb2159d7aca3afc9ad1e91e4857bf8f208c40c8f5d0f32586950c4d2a4

              SHA512

              a113a12c71d96fae4c9d7a46f978901ea1513dbc9a823ee4f0a13a47372ddc1adb942393efd13ae09cedbb2e869c43498233def8be0774d3e9a281618b937c9a

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Kh5ZH64.exe

              Filesize

              389KB

              MD5

              f663eaf8f8bcff9d10d017f1f410f347

              SHA1

              0530ac8177cc85ca1d91731151d843b1b008899f

              SHA256

              bad39efb2159d7aca3afc9ad1e91e4857bf8f208c40c8f5d0f32586950c4d2a4

              SHA512

              a113a12c71d96fae4c9d7a46f978901ea1513dbc9a823ee4f0a13a47372ddc1adb942393efd13ae09cedbb2e869c43498233def8be0774d3e9a281618b937c9a

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3VE647hM.exe

              Filesize

              300KB

              MD5

              784667bb96ccb30c4cf44f2c5f493769

              SHA1

              28185165ab4dbbb4a139ae1af0bb6934ebe05c04

              SHA256

              1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

              SHA512

              62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3VE647hM.exe

              Filesize

              300KB

              MD5

              784667bb96ccb30c4cf44f2c5f493769

              SHA1

              28185165ab4dbbb4a139ae1af0bb6934ebe05c04

              SHA256

              1025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9

              SHA512

              62c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4TC0Nt2.exe

              Filesize

              339KB

              MD5

              14d9834611ad581afcfea061652ff6cb

              SHA1

              802f964d0be7858eb2f1e7c6fcda03501fd1b71c

              SHA256

              e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60

              SHA512

              cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4TC0Nt2.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/2008-40-0x0000000007F50000-0x000000000805A000-memory.dmp

              Filesize

              1.0MB

            • memory/2008-29-0x00000000079A0000-0x0000000007F44000-memory.dmp

              Filesize

              5.6MB

            • memory/2008-45-0x0000000007650000-0x0000000007660000-memory.dmp

              Filesize

              64KB

            • memory/2008-28-0x0000000073B10000-0x00000000742C0000-memory.dmp

              Filesize

              7.7MB

            • memory/2008-44-0x0000000073B10000-0x00000000742C0000-memory.dmp

              Filesize

              7.7MB

            • memory/2008-31-0x00000000074D0000-0x0000000007562000-memory.dmp

              Filesize

              584KB

            • memory/2008-33-0x0000000007650000-0x0000000007660000-memory.dmp

              Filesize

              64KB

            • memory/2008-39-0x0000000008570000-0x0000000008B88000-memory.dmp

              Filesize

              6.1MB

            • memory/2008-43-0x0000000007830000-0x000000000787C000-memory.dmp

              Filesize

              304KB

            • memory/2008-42-0x00000000077F0000-0x000000000782C000-memory.dmp

              Filesize

              240KB

            • memory/2008-34-0x0000000007570000-0x000000000757A000-memory.dmp

              Filesize

              40KB

            • memory/2008-41-0x0000000007750000-0x0000000007762000-memory.dmp

              Filesize

              72KB

            • memory/2008-22-0x0000000000400000-0x000000000043C000-memory.dmp

              Filesize

              240KB

            • memory/4332-19-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4332-16-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4332-14-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4332-15-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB