Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:27

General

  • Target

    c1c526ed2ab259f0f169f9f6ea8e5765aeff3889749ee6e4c140d24a06cd2f52.exe

  • Size

    476KB

  • MD5

    e8caa8893f50e0966996c562c5eb98c6

  • SHA1

    c40d0c633b13045071520280d46f4e46bb13585b

  • SHA256

    c1c526ed2ab259f0f169f9f6ea8e5765aeff3889749ee6e4c140d24a06cd2f52

  • SHA512

    a046db8a5d6517a1666128eec70ccf1d1a7e43d3a82b1a611a0682098c13be1f2f4a95eda33b5a5458c963cac460d684e7fad34404b23fbc4243b37b788e55df

  • SSDEEP

    12288:GMr+y90sHo/b58xomWqrWmDmuKRiEXYp7FMkCeHQYbuQCvZReT:kyXHk58xosWgmuKcEAFXHHQ2WG

Malware Config

Extracted

Family

amadey

Version

3.87

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

gena

C2

77.91.124.82:19071

Attributes
  • auth_value

    93c20961cb6b06b2d5781c212db6201e

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 8 IoCs
  • Adds Run key to start application 2 TTPs 2 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\c1c526ed2ab259f0f169f9f6ea8e5765aeff3889749ee6e4c140d24a06cd2f52.exe
    "C:\Users\Admin\AppData\Local\Temp\c1c526ed2ab259f0f169f9f6ea8e5765aeff3889749ee6e4c140d24a06cd2f52.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8006777.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8006777.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5816787.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5816787.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
          "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3372
          • 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
            5⤵
            • Creates scheduled task(s)
            PID:216
          • 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
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3720
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4512
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:N"
                6⤵
                  PID:3220
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:R" /E
                  6⤵
                    PID:1148
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4024
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:N"
                      6⤵
                        PID:3976
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:R" /E
                        6⤵
                          PID:1664
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2271043.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2271043.exe
                    3⤵
                    • Executes dropped EXE
                    PID:1864
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n0530273.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n0530273.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2200
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:5052
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4928
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4160

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n0530273.exe

                Filesize

                174KB

                MD5

                67b679007895ad5221a7c3e8b781b54e

                SHA1

                ed770869525a7c514da0ebcaceae1506ae48c7d8

                SHA256

                221e2f07e80ea945ac366c584213d9b66f16c15d47697ca949591f8670902bcc

                SHA512

                78608de582e18cf006d9ae1163ac8d6edcbfe8180fbb5177148337ad17f37ff1f2b099859a3da7d70e905ee988fd1ba7e43ddee6c08396b99e9e6f11442463da

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8006777.exe

                Filesize

                320KB

                MD5

                c7c86ccb7a8447c0fc280c1677d5bdfc

                SHA1

                47c05e0511f3d29afe982bf266cb420cc85cb0fb

                SHA256

                c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2

                SHA512

                5015e11b3d4857a07cfd27d5f176721b0eeede05e675ff6ffb2546126853164f580bedcc847d9ceaf9a9916478a8c41355015c2c2764124b7e47dd2521ab13e3

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5816787.exe

                Filesize

                335KB

                MD5

                6d6b96a92544faf72eeafb12f8b03320

                SHA1

                3d1095a129d9e65ee3c4593a37df5fbde1a9c9ff

                SHA256

                773f907d2c472a0f71c5fec49edda17b3d54b533c1f5dfd76e19a817ee20afd6

                SHA512

                cce8e9c1e27ddd2317293980e63cf3bd0e4355250dc663068ac799377d26818c01840fc38fecb041becc50225362ac00e10477eec99be2bfafda428074284282

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m2271043.exe

                Filesize

                141KB

                MD5

                e20a8d99c2fa4dab57a98936fe6b3cd3

                SHA1

                b9dcbdc93213bf15c407bb1f017eeb984c3670ca

                SHA256

                b619ed8c3f069c9cf47548a4eeeb5ab2c20c78a96c6ad27ca0d6e869a115eefe

                SHA512

                5b749c3fd1cbee7a630927fc95380dd237ef82dac5959f76a52b88069d1bce5145950903177103a396aa7f1f0a57f79536410cadb2b4fe403313bcc41215854f

              • memory/2200-29-0x0000000000D20000-0x0000000000D50000-memory.dmp

                Filesize

                192KB

              • memory/2200-30-0x0000000002FD0000-0x0000000002FD6000-memory.dmp

                Filesize

                24KB

              • memory/2200-31-0x0000000005C90000-0x00000000062A8000-memory.dmp

                Filesize

                6.1MB

              • memory/2200-32-0x0000000005780000-0x000000000588A000-memory.dmp

                Filesize

                1.0MB

              • memory/2200-33-0x00000000056B0000-0x00000000056C2000-memory.dmp

                Filesize

                72KB

              • memory/2200-34-0x0000000005710000-0x000000000574C000-memory.dmp

                Filesize

                240KB

              • memory/2200-35-0x0000000005890000-0x00000000058DC000-memory.dmp

                Filesize

                304KB