Resubmissions

06-03-2024 14:44

240306-r37vpabh3t 10

29-02-2024 14:40

240229-r1xxpsca9w 10

29-02-2024 14:06

240229-rex1ksbh32 10

22-09-2023 07:22

230922-h7pp8see3w 10

22-09-2023 07:17

230922-h4nzjaee2t 10

Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2023 07:22

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 25 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:3588
    • 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:3128
      • 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:1708
        • 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:3856
          • 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:3692
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:4300
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 540
                  7⤵
                  • Program crash
                  PID:4024
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 556
                6⤵
                • Program crash
                PID:2884
            • 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:948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3692 -ip 3692
      1⤵
        PID:3236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4300 -ip 4300
        1⤵
          PID:1400

        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/948-39-0x00000000055E0000-0x0000000005BF8000-memory.dmp

          Filesize

          6.1MB

        • memory/948-40-0x00000000050D0000-0x00000000051DA000-memory.dmp

          Filesize

          1.0MB

        • memory/948-46-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

          Filesize

          64KB

        • memory/948-45-0x0000000073F80000-0x0000000074730000-memory.dmp

          Filesize

          7.7MB

        • memory/948-36-0x00000000004C0000-0x00000000004F0000-memory.dmp

          Filesize

          192KB

        • memory/948-37-0x0000000073F80000-0x0000000074730000-memory.dmp

          Filesize

          7.7MB

        • memory/948-44-0x0000000005040000-0x000000000508C000-memory.dmp

          Filesize

          304KB

        • memory/948-43-0x0000000005000000-0x000000000503C000-memory.dmp

          Filesize

          240KB

        • memory/948-38-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

          Filesize

          24KB

        • memory/948-41-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

          Filesize

          64KB

        • memory/948-42-0x0000000004F80000-0x0000000004F92000-memory.dmp

          Filesize

          72KB

        • memory/4300-29-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/4300-32-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/4300-30-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/4300-28-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB