Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:38

General

  • Target

    d7acd7c73cc74a8d699adc50bd3fd6a4f7a58beba960ec5bd429c4ad058a65c4.exe

  • Size

    1.2MB

  • MD5

    3a0fe7ce9450be4b5bb42e4c14219604

  • SHA1

    0e87821c332e7ec4d4246910cf2ab038a27c8190

  • SHA256

    d7acd7c73cc74a8d699adc50bd3fd6a4f7a58beba960ec5bd429c4ad058a65c4

  • SHA512

    f87ac3817d4632c1a19d44c19f78559e05f225a1a3ed825cf111a748c2c22579a8f3ce779e72515ee003225c67136fc0ae6a14a3e3db4eabce431d7a31531c26

  • SSDEEP

    24576:cyrIFhvmG72UKcEU30Bng11IGcgolGKjFcqPHtxz5Cg8/cQb5NF:LrIF1mGaUKcEUEBncy9R1jGq/7ica5

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.

  • 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 8 IoCs
  • Adds Run key to start application 2 TTPs 3 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 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7acd7c73cc74a8d699adc50bd3fd6a4f7a58beba960ec5bd429c4ad058a65c4.exe
    "C:\Users\Admin\AppData\Local\Temp\d7acd7c73cc74a8d699adc50bd3fd6a4f7a58beba960ec5bd429c4ad058a65c4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5444622.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5444622.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7099222.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7099222.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4728
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5414513.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5414513.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4104
          • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
            "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2572
            • 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
              6⤵
              • Creates scheduled task(s)
              PID:1196
            • 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
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2804
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                7⤵
                  PID:1156
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:N"
                  7⤵
                    PID:3076
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:R" /E
                    7⤵
                      PID:4920
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      7⤵
                        PID:5028
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:N"
                        7⤵
                          PID:1592
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:R" /E
                          7⤵
                            PID:1068
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n6816380.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n6816380.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4128
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4580
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1068
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:2128

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5444622.exe

                Filesize

                1.1MB

                MD5

                dbec9909c3adcaa2a7f3cb3e601a2655

                SHA1

                739755fa39ee52d47c60f93e5ef40653051b6e4e

                SHA256

                40f68aac1fd5fdf09c08267baa6f21f53ae388fd255a9c031391d68bca683cba

                SHA512

                ce0e5b07ece3194aa247ed3bb9535cc700132d2fe5c9f1ce6a12815e061d09c104f5d48d51b58e26b100a8645d8418959f10236da40adfe8ec79882e9d007fc9

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7099222.exe

                Filesize

                331KB

                MD5

                10e7a216b5bacffb3819c7b5bb38bdbf

                SHA1

                12b68c3245bf9ce8af00d42e2110e9b185453b98

                SHA256

                85e64833c18139b9188c79d2edf8938761a27b97322411706354e6a384f25222

                SHA512

                8484f923c1a22b886d34177e56ec9f21bbabedef6b1b02faa5dc1b058020e318c2f5ab2faccff343b3c8dc81955d40f178d3e457b4753fd6ae1ca67daa777b35

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5414513.exe

                Filesize

                337KB

                MD5

                8b95d8c9237f7b2c3cdc7b30eeaad3e9

                SHA1

                52fdc146dab41010453ebea6e68b16ea0c2a8693

                SHA256

                f7807639377fecb0b3022995d6cfb7ebd7cd974892d2bc639ab38e047469d46b

                SHA512

                4a40703cb08eff64fec07ca80044b26421b11bce56e583c13e25c15eaf61f66ccb5f4e425dd371f6ee21f07e731fcf98a5694bfd96b20f7b2043a123c0527811

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n6816380.exe

                Filesize

                174KB

                MD5

                3eb955448a793d7d3a77ac59498f1100

                SHA1

                2f2bee59f25e706036118c7391cbd0c0001fbf80

                SHA256

                ce0e6271a1900f14b915907b1036814393106f5d2af7c697288e1f902dd9c065

                SHA512

                156fe7ed38f1a9890ec341199d39a1dd8ddfaef5b3df9ba8abb8c7b62977e5447ac79bdf9aaf219e1b828916741f9fd36bf8bc9b4bc52e61ef3139dc4ddb2f65

              • memory/4128-33-0x0000000000120000-0x0000000000150000-memory.dmp

                Filesize

                192KB

              • memory/4128-34-0x0000000004A40000-0x0000000004A46000-memory.dmp

                Filesize

                24KB

              • memory/4128-35-0x00000000050B0000-0x00000000056C8000-memory.dmp

                Filesize

                6.1MB

              • memory/4128-36-0x0000000004BA0000-0x0000000004CAA000-memory.dmp

                Filesize

                1.0MB

              • memory/4128-37-0x0000000004AB0000-0x0000000004AC2000-memory.dmp

                Filesize

                72KB

              • memory/4128-38-0x0000000004B10000-0x0000000004B4C000-memory.dmp

                Filesize

                240KB

              • memory/4128-39-0x0000000004B50000-0x0000000004B9C000-memory.dmp

                Filesize

                304KB