Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 10:02

General

  • Target

    4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe

  • Size

    1.3MB

  • MD5

    546b638f06657955666299dcead4ea56

  • SHA1

    6714be04f61627cde0ce56ea6da5dac844faa55a

  • SHA256

    4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5

  • SHA512

    4a1896a72963c9931520ca4365f8d5e31bd9644562218ea6d5866ca6fb8f8923e4291752c35c255879212aa33a4dd64caa274e019dbe6144bd9f2e911c0096d5

  • SSDEEP

    24576:5yJYHB+O7bfYoN2SO7/OKvsCQnP93Q7tlI2zhFaa5YjBDcP9p3BsdP3l56/9:sJa7bMSObOKvsCQ1AZljtFaZDc3eP15C

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

C2

http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/index.php

rc4.plain

Extracted

Family

redline

Botnet

mrak

C2

77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Mystic stealer payload 1 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 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe
    "C:\Users\Admin\AppData\Local\Temp\4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3292
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4568
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4700
            • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
              "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2720
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
                7⤵
                • Creates scheduled task(s)
                PID:3456
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4796
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:3132
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:3636
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:2532
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:2376
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:4464
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:3140
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe
                        5⤵
                        • Executes dropped EXE
                        PID:3256
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe
                      4⤵
                      • Executes dropped EXE
                      PID:3752
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1416
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4348
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3264

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe

                Filesize

                1.2MB

                MD5

                5a7d39661d7e93a563fe701fa7531c0a

                SHA1

                3f2359133aee032edddbfeba67a66e3715337ab8

                SHA256

                e15144e3301b62546f5b8bbbfc7d6a4f6d6c08de14807ad80c52de1982c21c83

                SHA512

                1c50bc81fdb7e2df3c81c98823a124e384fcb1eb839d384e1d66c6dfd712406a8cc6d39b66a3aec3c768e00d42e6d2d9978063ea3ff425771c3ac25b98ac9cdf

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe

                Filesize

                475KB

                MD5

                e970eaafaa006a1793f5b6ecb892ac03

                SHA1

                4d96fdd9d76ad669f1f428d80e7eea485fc5b7d0

                SHA256

                f7a55d0436f7213857036c90ad7962b2c821a58b9ce8b96e085ef7bd6622c862

                SHA512

                435c92131b53786f66a74d93dac9b19ec709b79620e3938934c434eeac854e5bb93f2fb75a836c1d911ee0149c2243b8aeee698006478fa49cc4a7253222e71b

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe

                Filesize

                174KB

                MD5

                adf1a8ac8185c208328359fa0ce6a8e5

                SHA1

                04df326092c8df5eb9bd32d4d40517bbdf1a7925

                SHA256

                64b3ee27dd0dd75d582d53366d35a72ac2485edf4ca5082e785db900fb7f25b3

                SHA512

                21823d9bcd79e9431ed6165ac9ff13be4b8cf1cc3836bc9ee81c2e5508e8fb67e5cf766b7cfcfa540efd5a4f1b54360d5d0c756f7acab9f3993f9ac8368ac9d9

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe

                Filesize

                319KB

                MD5

                496154ec53fa9802c9aaa27746503b35

                SHA1

                5341c6e470299ee6c29d85cb8aad1355877a1f13

                SHA256

                fab9b8dc264f463a76eb3c4a68ca6d77a509f0238eaa12cd2c3ddc39d07abcc9

                SHA512

                9ee8eea60fe5b86332e5c947fcf61d50941f1d1498d7c18fd809e8d613d60c7611c0442351fc283c83c71b955df9d3300e0c95ad979166cdd6fa17413fe333a8

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe

                Filesize

                337KB

                MD5

                d4d219b7c7f56576147c7087565b79fd

                SHA1

                2238717d9b4803bd20531a8f011c595ae29a31b1

                SHA256

                a24cef5ce747aa608a957e3b22986f1595ceeb0e2da8fbd684b9309899a5bf1c

                SHA512

                79afe034753a4884806fd98f256202e21f4ab0aa3a0a8fcf1c192a404ce9b4df0bbc8010372009653380212b20c7471e89d5cae3e260ea59def7d7af598a1e2a

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe

                Filesize

                142KB

                MD5

                71807d63eeafe73fb2ccf2a441e698da

                SHA1

                00b7c486af727713dd4547efeeb6582a9cdcebcb

                SHA256

                90b83752111f3504a0eec0eb9db7697fd79eb32933a83c96d131a180bb890c4e

                SHA512

                0201bb1a0d8d8077e857a29953a1cf2ed5c6b535deb59e171fb685eb63a7af570b2643144ac65fb498c003c79ac2ecce1bb2ea878cf947039897b3aaed073850

              • memory/3752-43-0x0000000000CA0000-0x0000000000CD0000-memory.dmp

                Filesize

                192KB

              • memory/3752-44-0x0000000002F50000-0x0000000002F56000-memory.dmp

                Filesize

                24KB

              • memory/3752-45-0x0000000005C00000-0x0000000006218000-memory.dmp

                Filesize

                6.1MB

              • memory/3752-47-0x0000000005620000-0x0000000005632000-memory.dmp

                Filesize

                72KB

              • memory/3752-46-0x00000000056F0000-0x00000000057FA000-memory.dmp

                Filesize

                1.0MB

              • memory/3752-48-0x0000000005680000-0x00000000056BC000-memory.dmp

                Filesize

                240KB

              • memory/3752-49-0x0000000005800000-0x000000000584C000-memory.dmp

                Filesize

                304KB