Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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 18:40

General

  • Target

    8b1c0f6d0e624fbcd937c3ccc23b673ab7072ccc0339934effd7d6d64916b2f8.exe

  • Size

    704KB

  • MD5

    b7141f47266f8fb53311b5a5eab29e92

  • SHA1

    c3f6fd7ea5e23c826639ee2657a4adc55645e60b

  • SHA256

    8b1c0f6d0e624fbcd937c3ccc23b673ab7072ccc0339934effd7d6d64916b2f8

  • SHA512

    053bd538bc0a33d42c9bcb76d6026f83a60c91a466feb7d2e6f945f3e86bdfe731bc462f2b18df9806d1ddc5b02d140ffdddf7e0b27c18c8b2056728b4cd38ed

  • SSDEEP

    12288:KMrOy90VPnlz2wBiDoLCPE5itsvhGIkO1ObIf/D5Sv5rjnnS+bgumM:cyw2wNW8zp7LlXirjnS+x

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.

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • 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
  • Windows security modification 2 TTPs 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1c0f6d0e624fbcd937c3ccc23b673ab7072ccc0339934effd7d6d64916b2f8.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1c0f6d0e624fbcd937c3ccc23b673ab7072ccc0339934effd7d6d64916b2f8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2073413.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2073413.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5005161.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5005161.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3560
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x5605402.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x5605402.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1428
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g1613759.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g1613759.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1604
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h7894235.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h7894235.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3852
            • 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:2516
              • 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:212
              • 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:1920
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:4244
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:2892
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:2980
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:2704
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:1996
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:2104
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5854270.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5854270.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4552
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4064
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4948

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2073413.exe

                Filesize

                598KB

                MD5

                5fe322b4d116f4b56d74005dd92fce44

                SHA1

                9fb9ad0caaf58117fe6d35552f184e9834924f17

                SHA256

                ef612565479a301f1cfcc4f8fb83c9e32ff4fca6e8c3b3db7fc416c969e0fad7

                SHA512

                fc798a20747ff99c7df7ce7dc6fd942824c621f9685076d4f0babc346d35ff5110b67011aee606339fb7ee591b702240116c756e26ac67214f9f7a13c0bcff7a

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5005161.exe

                Filesize

                433KB

                MD5

                1de051420bd6e6997fb4cdc08496f0bd

                SHA1

                de9ca5983333c01c9c812ac05b83b7dcf47f2317

                SHA256

                e578bac33480ee22001c12cb4ce56491e31246204e40e32ad3046863c0cc32eb

                SHA512

                8e3bc9eadaab092c6462b574a02351bc1c5978a0d8cceb5d5ad8491d3039c2d334e8fff10fa74013c259133e3a38c9d323369575b0d77943438d6f1eb4560cf9

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5854270.exe

                Filesize

                174KB

                MD5

                8e36e82a52f0943cb00f58aed5493ef4

                SHA1

                94e83e2ed9e3800507cb5340a0aa68c22db509ed

                SHA256

                9d1bb7e3cccefc94e4a2e7b6f707ecd34fea92b7ebcf94b109c3830149a4a852

                SHA512

                d247942df8b792caca6e421efca37b1beac5e327501b26197843d235febcf549b105406c326446704867e1ce2650764512f3d076ad2f9130cd6a731858705c9f

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x5605402.exe

                Filesize

                277KB

                MD5

                03d46264c8de795277527f92a571bc21

                SHA1

                3ce74fa4164a5a518523e9de756b956cca8c2f7a

                SHA256

                fdfb573902da552b912d1ef4f5a02f031842b39de38e65ca5b745b2f73aeeea0

                SHA512

                526ecca1f7f71fefb968ac9c2d7063b852cb7bc0d56b3794f62d7d7057b17f4bfa3044cd84bc6a7ded76b9af8db731be5d272aecfce344c311310c4a6ac023a9

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g1613759.exe

                Filesize

                11KB

                MD5

                156146d82dcc5dd050a5f3e1fda1627b

                SHA1

                3528e1d56b2c3f44f00a3866eccee4d0f83f3147

                SHA256

                797716cd799c196bdb354d1466c57a01f543ab98300af711f0ece92207be3a60

                SHA512

                dd12ba0be6a2697fd68aae5baea9d0f37b1aab3cbd378e5aac2769c3c36eda4973544353eac453a4c20b38c981e971b7fca49dfde9361fd2e29f7e9b0776d86b

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h7894235.exe

                Filesize

                338KB

                MD5

                b56156c57f48d2574e645b8f428213f6

                SHA1

                9631a543f9d55504818d9f56f555c17d0a568db2

                SHA256

                2c9ee508f56ee427de7136b0e3bda08066109d6e55c7d3be36c4eac452e20e45

                SHA512

                f46fc0f3ee322737a32658fb5dc1e9c289f8270ea3ecf67ab6b6c177e2b6114f2ca193e13037aeb3be09daaf3dc9e194afa6e924dbbf6d45c93b33990e910660

              • memory/1604-28-0x00000000006F0000-0x00000000006FA000-memory.dmp

                Filesize

                40KB

              • memory/4552-45-0x0000000000340000-0x0000000000370000-memory.dmp

                Filesize

                192KB

              • memory/4552-46-0x0000000004C20000-0x0000000004C26000-memory.dmp

                Filesize

                24KB

              • memory/4552-47-0x000000000A630000-0x000000000AC48000-memory.dmp

                Filesize

                6.1MB

              • memory/4552-48-0x000000000A1B0000-0x000000000A2BA000-memory.dmp

                Filesize

                1.0MB

              • memory/4552-49-0x000000000A0E0000-0x000000000A0F2000-memory.dmp

                Filesize

                72KB

              • memory/4552-50-0x000000000A140000-0x000000000A17C000-memory.dmp

                Filesize

                240KB

              • memory/4552-51-0x00000000025A0000-0x00000000025EC000-memory.dmp

                Filesize

                304KB