Analysis

  • max time kernel
    142s
  • 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, 12:33

General

  • Target
    559234fc528754d07d788aa5eff30aba166a9bab82e9eda45a9737647b0e9fe2.exe
  • Size 390KB
  • Sample240510-prnxbsef21
  • SHA256 559234fc528754d07d788aa5eff30aba166a9bab82e9eda45a9737647b0e9fe2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.86

C2
  • http://77.91.68.61

Attributes
  • install_dir

    925e7e99c5

  • install_file

    pdates.exe

  • strings_key

    ada76b8b0e1f6892ee93c20ab8946117

  • url_paths

    /rock/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • lande

C2
  • 77.91.124.84:19071

Attributes
  • auth_value

    9fa41701c47df37786234f3373f21208

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 7 IoCs
  • Windows security modification 2 TTPs 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\559234fc528754d07d788aa5eff30aba166a9bab82e9eda45a9737647b0e9fe2.exe
    "C:\Users\Admin\AppData\Local\Temp\559234fc528754d07d788aa5eff30aba166a9bab82e9eda45a9737647b0e9fe2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7041233.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7041233.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4362728.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4362728.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:648
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2300210.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2300210.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1040
        • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
          "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4100
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:1092
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4368
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:884
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:N"
                6⤵
                  PID:3384
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:R" /E
                  6⤵
                    PID:2524
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:3052
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:N"
                      6⤵
                        PID:4420
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:R" /E
                        6⤵
                          PID:3044
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n4310013.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n4310013.exe
                  2⤵
                  • Executes dropped EXE
                  PID:3980
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:4948
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:4960

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    n4310013.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n4310013.exe
                    • Size 173KB
                    • SHA256 4b1981dd1b27cd2d082d28431e9362e0d3d435cb227fd209d28c56bf791c835e
                    • MD5 SHA1 SHA512 SSDEEP

                    y7041233.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7041233.exe
                    • Size 234KB
                    • SHA256 ac3392df31711209fa4a6b0583d8e3db99d3338ef656d3323c32c66826ccaf11
                    • MD5 SHA1 SHA512 SSDEEP

                    k4362728.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4362728.exe
                    • Size 11KB
                    • SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
                    • MD5 SHA1 SHA512 SSDEEP

                    l2300210.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2300210.exe
                    • Size 223KB
                    • SHA256 58b02c8b4bc2bf7f5f1e8e45d7c206956f188ae56b648922ca75987b999db503
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/648-14-0x0000000000FA0000-0x0000000000FAA000-memory.dmp

                    memory/648-15-0x00007FFC54543000-0x00007FFC54545000-memory.dmp

                    memory/3980-33-0x0000000000EC0000-0x0000000000EF0000-memory.dmp

                    memory/3980-34-0x0000000003110000-0x0000000003116000-memory.dmp

                    memory/3980-35-0x0000000005E10000-0x0000000006428000-memory.dmp

                    memory/3980-36-0x0000000005910000-0x0000000005A1A000-memory.dmp

                    memory/3980-37-0x0000000005850000-0x0000000005862000-memory.dmp

                    memory/3980-38-0x00000000058B0000-0x00000000058EC000-memory.dmp

                    memory/3980-39-0x0000000005A20000-0x0000000005A6C000-memory.dmp