Analysis

  • max time kernel
    146s
  • max time network
    149s
  • 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

    01f1d397eef76f3dd4c0d5121d6596a6ff410ea7e8fe3ebd913d701f9928557e.exe

  • Size

    1.1MB

  • MD5

    296963a8b99e4ba04646550244f1d6f5

  • SHA1

    967b51348c19d16f36cda82e504359e55cdd0d1b

  • SHA256

    01f1d397eef76f3dd4c0d5121d6596a6ff410ea7e8fe3ebd913d701f9928557e

  • SHA512

    61025f0d033233a8d4a5b73adb77227237b71f79b04a5656fff7cc4c51554645e6ac12a9fb11a87304316b8f73184e1822525d88c63e209e53406a7a5a2789e5

  • SSDEEP

    24576:0yYO7vqvACYYG7D2KgE+poyBsFzk3uuFXhCqqkeNi9o+lydEGt:DYO7v/LYGH2KgE+3izeBiF

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 9 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 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01f1d397eef76f3dd4c0d5121d6596a6ff410ea7e8fe3ebd913d701f9928557e.exe
    "C:\Users\Admin\AppData\Local\Temp\01f1d397eef76f3dd4c0d5121d6596a6ff410ea7e8fe3ebd913d701f9928557e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7348515.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7348515.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0390933.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0390933.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1764
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7030952.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7030952.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1548
          • 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:5116
            • 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:2092
            • 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:1224
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                7⤵
                  PID:1736
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:N"
                  7⤵
                    PID:4596
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:R" /E
                    7⤵
                      PID:5068
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      7⤵
                        PID:1844
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:N"
                        7⤵
                          PID:2604
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:R" /E
                          7⤵
                            PID:3684
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m4640011.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m4640011.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4220
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8180012.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8180012.exe
                    3⤵
                    • Executes dropped EXE
                    PID:2876
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3356
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4536
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4308

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7348515.exe

                Filesize

                475KB

                MD5

                dc67955232582423944b9084a3fe40b6

                SHA1

                6853067e8e1488f14b42b46bbeac762e6615a745

                SHA256

                6d0fa1e069825ed196530acff1740b733562e476b38cc1c06d41726306e45d84

                SHA512

                ce1e46b7a505716c9455caf8d0d4c25fbcfd1bd8c1ffa10ed06778eefbd29420382eb584b66f2027f39ae23447a6fc1b51248716d805b54962085db500d8cb45

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8180012.exe

                Filesize

                174KB

                MD5

                52d4f52112d66991fc6ef91eee1e90c8

                SHA1

                70f1c1829a4e731232683f1c89dbc00532544ae6

                SHA256

                9e2a8e580a7a823131e3a903449b3e3c8ee10aa8cfc9c80b8663f03a68646323

                SHA512

                d7637badfd207464ceaa95431807104cf259de66efb42ca9029940326d3e82e6984a93b6701a1698a39ce4aec9bed0ad48b90bcff437542ef3eab46e049065e8

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0390933.exe

                Filesize

                320KB

                MD5

                b5e89308f9a662f5729d4ef6ed0e0eef

                SHA1

                4bd7811c99a78add832672235b15d94ef8294153

                SHA256

                82b7da5f772b5c57b371c17c0999a01926afd6f4caf6ae69d7392486aed9cffd

                SHA512

                ed625b87d8216154b3d13301cace396d2da918cfacc8b4fef463339c33a6c23e61c18117bfb6636595e04b10ffc78178a84a47be3e6d254bd0a734116cc3b4af

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7030952.exe

                Filesize

                336KB

                MD5

                ac22e608a9fa5aed8173a4fe51695c9f

                SHA1

                48efdc17cf980e0f240b34d460781e44f5bd8e64

                SHA256

                31def241453a6f2e6c2ca631670d7d8215fd4a93fe171c0f000a7aac945b8e28

                SHA512

                fdf25bd3045c8de45a5398df3c79291fc1184b0f337a41e306ba190a652408ac89f609af50f5795e815267448d0e76b9909bd6b5f5b7546339bfdc6e37975504

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m4640011.exe

                Filesize

                141KB

                MD5

                0580809442a840417d01eb59f983e658

                SHA1

                0096ae9d105a8d0b9b6b04f93a507238e8621fb9

                SHA256

                1d8d6828c45a5ee102229d52c764b5ae9682e4ce2da84147765087d9de48f6f2

                SHA512

                c5c1dd917637ba233d847adb31cecbc39e78060e9ed95aa9a6317eebadda8bd856f3317fa7193c486647ec4f42f28408e231feb6ee29f6bcfb46741a30dfe5f4

              • memory/2876-36-0x0000000000870000-0x00000000008A0000-memory.dmp

                Filesize

                192KB

              • memory/2876-37-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

                Filesize

                24KB

              • memory/2876-38-0x0000000005890000-0x0000000005EA8000-memory.dmp

                Filesize

                6.1MB

              • memory/2876-39-0x0000000005380000-0x000000000548A000-memory.dmp

                Filesize

                1.0MB

              • memory/2876-40-0x00000000050E0000-0x00000000050F2000-memory.dmp

                Filesize

                72KB

              • memory/2876-41-0x0000000005270000-0x00000000052AC000-memory.dmp

                Filesize

                240KB

              • memory/2876-42-0x00000000052B0000-0x00000000052FC000-memory.dmp

                Filesize

                304KB