Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 04:59

General

  • Target

    a877a070ff8a9e1c62b6fb8d21564e79921e5ff5369ede2733fc51cd136cfa6a.exe

  • Size

    1.0MB

  • MD5

    8041d9fab3740fbaa0ff927a0908e073

  • SHA1

    54e32969e2666415cc1c02c45ad70e3f90d7d938

  • SHA256

    a877a070ff8a9e1c62b6fb8d21564e79921e5ff5369ede2733fc51cd136cfa6a

  • SHA512

    ba80f1d90cd879de0866f5cd5834b0c0122c59c41b3062b5ce30ff954d5bb5600e968fda278c0dd5343166c83a779ed4fcfd085b5149de4434398c7c97b774fa

  • SSDEEP

    24576:MymXcVy4JB5oYHDPySOw7yVjwp2eok+RIWGIT6hjpX8T/JSJWe:7mXcVjXoE7yZwvokcuITEjpX8T/Jr

Malware Config

Extracted

Family

redline

Botnet

tuxiu

C2

77.91.124.82:19071

Attributes
  • auth_value

    29610cdad07e7187eec70685a04b89fe

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 3 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a877a070ff8a9e1c62b6fb8d21564e79921e5ff5369ede2733fc51cd136cfa6a.exe
    "C:\Users\Admin\AppData\Local\Temp\a877a070ff8a9e1c62b6fb8d21564e79921e5ff5369ede2733fc51cd136cfa6a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9498095.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9498095.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4792
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4203749.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4203749.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x6052541.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x6052541.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:5068
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2922257.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2922257.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4400
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:3108
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                6⤵
                  PID:4928
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 540
                    7⤵
                    • Program crash
                    PID:1628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 576
                  6⤵
                  • Program crash
                  PID:3520
              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h4622783.exe
                C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h4622783.exe
                5⤵
                • Executes dropped EXE
                PID:1048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4400 -ip 4400
        1⤵
          PID:1700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4928 -ip 4928
          1⤵
            PID:932

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9498095.exe

            Filesize

            933KB

            MD5

            594db721d818ae14b5cf922137b1d197

            SHA1

            b021e4ef665ea284420049bf560b7d6ee7ba0a9f

            SHA256

            0f52b6f8e5a106a74c87c7e2ff87ceafedb293e134a861096e4ade82c8258181

            SHA512

            ca30235989933e3c1fe1cb41453b40012800f6e0278aad6882b8709c97e22c3a04849f97fddba99c89a75914298b31076d01a381a89f40ce4695a35129b2284d

          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9498095.exe

            Filesize

            933KB

            MD5

            594db721d818ae14b5cf922137b1d197

            SHA1

            b021e4ef665ea284420049bf560b7d6ee7ba0a9f

            SHA256

            0f52b6f8e5a106a74c87c7e2ff87ceafedb293e134a861096e4ade82c8258181

            SHA512

            ca30235989933e3c1fe1cb41453b40012800f6e0278aad6882b8709c97e22c3a04849f97fddba99c89a75914298b31076d01a381a89f40ce4695a35129b2284d

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4203749.exe

            Filesize

            629KB

            MD5

            336f5dda345a54eb8af5bcdba2281f71

            SHA1

            7c696f67ab121bb6df86b621cf9af35e2bb8cec5

            SHA256

            5a75d9facb006cafefcb26853f48dccd32a419669fb18ddd6280fdf60b5c5a9e

            SHA512

            b9e7f8f3ab4a7d093dc779bdcc115dd245219a230f440f639e050829727566e9f0a9e11bf210111e3f9a4649a470b1bd0ce0c4fe455da683bf378758a258a7c9

          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x4203749.exe

            Filesize

            629KB

            MD5

            336f5dda345a54eb8af5bcdba2281f71

            SHA1

            7c696f67ab121bb6df86b621cf9af35e2bb8cec5

            SHA256

            5a75d9facb006cafefcb26853f48dccd32a419669fb18ddd6280fdf60b5c5a9e

            SHA512

            b9e7f8f3ab4a7d093dc779bdcc115dd245219a230f440f639e050829727566e9f0a9e11bf210111e3f9a4649a470b1bd0ce0c4fe455da683bf378758a258a7c9

          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x6052541.exe

            Filesize

            443KB

            MD5

            28f47bfef36efdd0cffe1f03e6b7d846

            SHA1

            db7821065179a48622407cdfd35c66cfbb4aff25

            SHA256

            5bfa89d8ebdb489934185553aac9db8705a6c19037204873d54ba6c60fba28fa

            SHA512

            8e1988404c1b49c60af772f0e7cf93903996f86693c28f5c3cef4d403c1c23d884b2d8de4e8187751c3b9e043c33adb6a0c876fe66525bdf4585d84284f49fb8

          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x6052541.exe

            Filesize

            443KB

            MD5

            28f47bfef36efdd0cffe1f03e6b7d846

            SHA1

            db7821065179a48622407cdfd35c66cfbb4aff25

            SHA256

            5bfa89d8ebdb489934185553aac9db8705a6c19037204873d54ba6c60fba28fa

            SHA512

            8e1988404c1b49c60af772f0e7cf93903996f86693c28f5c3cef4d403c1c23d884b2d8de4e8187751c3b9e043c33adb6a0c876fe66525bdf4585d84284f49fb8

          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2922257.exe

            Filesize

            700KB

            MD5

            6d5f2e27cec197f17bf0e96d7a72d423

            SHA1

            f7feb2636e75e4ed98d1a2cc1c986a325c0feeff

            SHA256

            9ff147ff88bdaadd0ed03f0a0c159d4d9ad35c8a7942d87467905b73459a361e

            SHA512

            bc009d3a200d0aa7e2422f3c20797dafb2dfbea3c35e4fb7e731394312243442b997d57bf3928c9a864f6cc9be3ac93b6d99d0fcba39d53230e5536b2dab65d9

          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2922257.exe

            Filesize

            700KB

            MD5

            6d5f2e27cec197f17bf0e96d7a72d423

            SHA1

            f7feb2636e75e4ed98d1a2cc1c986a325c0feeff

            SHA256

            9ff147ff88bdaadd0ed03f0a0c159d4d9ad35c8a7942d87467905b73459a361e

            SHA512

            bc009d3a200d0aa7e2422f3c20797dafb2dfbea3c35e4fb7e731394312243442b997d57bf3928c9a864f6cc9be3ac93b6d99d0fcba39d53230e5536b2dab65d9

          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h4622783.exe

            Filesize

            174KB

            MD5

            a7b12e6ecaa1865a65f29520ec8ad8e2

            SHA1

            71fd6f2503333c2da0a59011742e52505f38f4d3

            SHA256

            05afa926862cb7d9fd4225886f732ff1df7a0b8cde0f1f22a3a095a90b5dcf85

            SHA512

            3fc96f16e2a201889ac35dba9ff21cd5ef12cd31b271a7e239b64d4d551686e1987e2a4b63ebdcfe2708d80d5b7c277c162b23960f52f572e8057cc795dc8e68

          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h4622783.exe

            Filesize

            174KB

            MD5

            a7b12e6ecaa1865a65f29520ec8ad8e2

            SHA1

            71fd6f2503333c2da0a59011742e52505f38f4d3

            SHA256

            05afa926862cb7d9fd4225886f732ff1df7a0b8cde0f1f22a3a095a90b5dcf85

            SHA512

            3fc96f16e2a201889ac35dba9ff21cd5ef12cd31b271a7e239b64d4d551686e1987e2a4b63ebdcfe2708d80d5b7c277c162b23960f52f572e8057cc795dc8e68

          • memory/1048-39-0x0000000005BE0000-0x00000000061F8000-memory.dmp

            Filesize

            6.1MB

          • memory/1048-40-0x0000000005710000-0x000000000581A000-memory.dmp

            Filesize

            1.0MB

          • memory/1048-46-0x0000000003120000-0x0000000003130000-memory.dmp

            Filesize

            64KB

          • memory/1048-45-0x0000000074680000-0x0000000074E30000-memory.dmp

            Filesize

            7.7MB

          • memory/1048-36-0x0000000000B80000-0x0000000000BB0000-memory.dmp

            Filesize

            192KB

          • memory/1048-37-0x0000000074680000-0x0000000074E30000-memory.dmp

            Filesize

            7.7MB

          • memory/1048-44-0x0000000005820000-0x000000000586C000-memory.dmp

            Filesize

            304KB

          • memory/1048-43-0x00000000056B0000-0x00000000056EC000-memory.dmp

            Filesize

            240KB

          • memory/1048-38-0x0000000003110000-0x0000000003116000-memory.dmp

            Filesize

            24KB

          • memory/1048-42-0x0000000003120000-0x0000000003130000-memory.dmp

            Filesize

            64KB

          • memory/1048-41-0x0000000005650000-0x0000000005662000-memory.dmp

            Filesize

            72KB

          • memory/4928-29-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB

          • memory/4928-32-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB

          • memory/4928-30-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB

          • memory/4928-28-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB