Analysis

  • max time kernel
    139s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 18:05

General

  • Target

    c8c3182273e1f34a2e9b4a2afb39aa5e5fa9ae93368dd9487b95f7ca43f17d54.exe

  • Size

    1.4MB

  • MD5

    ee2b40ddaa498948143e583523b15aef

  • SHA1

    b246f477308da6a2973d755c1cd023465049b234

  • SHA256

    c8c3182273e1f34a2e9b4a2afb39aa5e5fa9ae93368dd9487b95f7ca43f17d54

  • SHA512

    bf9a360e1f67e00a77eba27c9939a720bda97f5d6c51fd65401f496eff7289b1862f76aa67c44bdf8df66efcaaef488d1f855ef0059453c0c2ebee7d1ae5af94

  • SSDEEP

    24576:Gyg7pPRAxomGgmAKDEfFDbHQkIrak7dzFh4gUnTpnoHruMyAl0lokb6lOjKVyX+v:VkpJAxwcKDEfRQkYa874gUnTp4WAl0lG

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 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\c8c3182273e1f34a2e9b4a2afb39aa5e5fa9ae93368dd9487b95f7ca43f17d54.exe
    "C:\Users\Admin\AppData\Local\Temp\c8c3182273e1f34a2e9b4a2afb39aa5e5fa9ae93368dd9487b95f7ca43f17d54.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0066404.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0066404.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3932
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8006777.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8006777.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5816787.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5816787.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2016
          • 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:4916
            • 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:2332
            • 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:4128
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                7⤵
                  PID:5036
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:N"
                  7⤵
                    PID:2096
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:R" /E
                    7⤵
                      PID:5080
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      7⤵
                        PID:1424
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:N"
                        7⤵
                          PID:3008
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:R" /E
                          7⤵
                            PID:4384
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2271043.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2271043.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4008
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0530273.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0530273.exe
                    3⤵
                    • Executes dropped EXE
                    PID:532
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4508
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:116
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:2916

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0066404.exe

                Filesize

                476KB

                MD5

                e8caa8893f50e0966996c562c5eb98c6

                SHA1

                c40d0c633b13045071520280d46f4e46bb13585b

                SHA256

                c1c526ed2ab259f0f169f9f6ea8e5765aeff3889749ee6e4c140d24a06cd2f52

                SHA512

                a046db8a5d6517a1666128eec70ccf1d1a7e43d3a82b1a611a0682098c13be1f2f4a95eda33b5a5458c963cac460d684e7fad34404b23fbc4243b37b788e55df

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n0530273.exe

                Filesize

                174KB

                MD5

                67b679007895ad5221a7c3e8b781b54e

                SHA1

                ed770869525a7c514da0ebcaceae1506ae48c7d8

                SHA256

                221e2f07e80ea945ac366c584213d9b66f16c15d47697ca949591f8670902bcc

                SHA512

                78608de582e18cf006d9ae1163ac8d6edcbfe8180fbb5177148337ad17f37ff1f2b099859a3da7d70e905ee988fd1ba7e43ddee6c08396b99e9e6f11442463da

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8006777.exe

                Filesize

                320KB

                MD5

                c7c86ccb7a8447c0fc280c1677d5bdfc

                SHA1

                47c05e0511f3d29afe982bf266cb420cc85cb0fb

                SHA256

                c69d581e2c9751820b591c60023bbffd16aa66ad26d0c76b20574cdac2cc7be2

                SHA512

                5015e11b3d4857a07cfd27d5f176721b0eeede05e675ff6ffb2546126853164f580bedcc847d9ceaf9a9916478a8c41355015c2c2764124b7e47dd2521ab13e3

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5816787.exe

                Filesize

                335KB

                MD5

                6d6b96a92544faf72eeafb12f8b03320

                SHA1

                3d1095a129d9e65ee3c4593a37df5fbde1a9c9ff

                SHA256

                773f907d2c472a0f71c5fec49edda17b3d54b533c1f5dfd76e19a817ee20afd6

                SHA512

                cce8e9c1e27ddd2317293980e63cf3bd0e4355250dc663068ac799377d26818c01840fc38fecb041becc50225362ac00e10477eec99be2bfafda428074284282

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m2271043.exe

                Filesize

                141KB

                MD5

                e20a8d99c2fa4dab57a98936fe6b3cd3

                SHA1

                b9dcbdc93213bf15c407bb1f017eeb984c3670ca

                SHA256

                b619ed8c3f069c9cf47548a4eeeb5ab2c20c78a96c6ad27ca0d6e869a115eefe

                SHA512

                5b749c3fd1cbee7a630927fc95380dd237ef82dac5959f76a52b88069d1bce5145950903177103a396aa7f1f0a57f79536410cadb2b4fe403313bcc41215854f

              • memory/532-36-0x0000000000D60000-0x0000000000D90000-memory.dmp

                Filesize

                192KB

              • memory/532-37-0x0000000005580000-0x0000000005586000-memory.dmp

                Filesize

                24KB

              • memory/532-38-0x0000000005E20000-0x0000000006438000-memory.dmp

                Filesize

                6.1MB

              • memory/532-39-0x0000000005910000-0x0000000005A1A000-memory.dmp

                Filesize

                1.0MB

              • memory/532-40-0x0000000005830000-0x0000000005842000-memory.dmp

                Filesize

                72KB

              • memory/532-41-0x0000000005890000-0x00000000058CC000-memory.dmp

                Filesize

                240KB

              • memory/532-42-0x0000000005A20000-0x0000000005A6C000-memory.dmp

                Filesize

                304KB