Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 18:12

General

  • Target

    62885177c0b3ab434a6c0795944ec236.exe

  • Size

    234KB

  • MD5

    62885177c0b3ab434a6c0795944ec236

  • SHA1

    b9e0e9b4bf4dd4701470c2917ee545bbafc0f27b

  • SHA256

    a00887b6184f8880415a8dec034b9d63257f228221ffe64bf121df36d517add4

  • SHA512

    e6b6263cf74267ef33e212a0eb1c184fb049688185a250634d7e33d5a2b602aa106bca43bf784460c14584b009ed12aacfdd6eddf58a46f5269f71461c3db39f

  • SSDEEP

    3072:KMy+bnr+O1J5GWp1icKAArDZz4N9GhbkrNEk1m6D5dMOt7WQqmuXIsjjoc:KMy+bnr+Gp0yN90QE3zDQqmS8

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

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
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62885177c0b3ab434a6c0795944ec236.exe
    "C:\Users\Admin\AppData\Local\Temp\62885177c0b3ab434a6c0795944ec236.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7358291.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7358291.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4208
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l4663109.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l4663109.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
        "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1408
        • 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
          4⤵
          • Creates scheduled task(s)
          PID:3836
        • 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
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3552
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:804
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "pdates.exe" /P "Admin:N"
              5⤵
                PID:3172
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:R" /E
                5⤵
                  PID:3744
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:4672
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\925e7e99c5" /P "Admin:N"
                    5⤵
                      PID:3560
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:R" /E
                      5⤵
                        PID:664
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:3416
              • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                1⤵
                • Executes dropped EXE
                PID:1108

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k7358291.exe

                Filesize

                11KB

                MD5

                7e93bacbbc33e6652e147e7fe07572a0

                SHA1

                421a7167da01c8da4dc4d5234ca3dd84e319e762

                SHA256

                850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                SHA512

                250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l4663109.exe

                Filesize

                223KB

                MD5

                aea234064483f651010cf9d981f59fea

                SHA1

                002ad73a666d2d92d0c6d6b617e61c6fa0c5f3a6

                SHA256

                58b02c8b4bc2bf7f5f1e8e45d7c206956f188ae56b648922ca75987b999db503

                SHA512

                eae415ef55aeb1b4548c2422a72e618fce17c2c1322918d33dc6b9202a01c743a5684ba28e5d83b6cdb2b703bc12569e6bb0e87ef2decb4e8a18592e1380a434

              • memory/4208-7-0x00000000009B0000-0x00000000009BA000-memory.dmp

                Filesize

                40KB

              • memory/4208-8-0x00007FFC6FF30000-0x00007FFC709F1000-memory.dmp

                Filesize

                10.8MB

              • memory/4208-10-0x00007FFC6FF30000-0x00007FFC709F1000-memory.dmp

                Filesize

                10.8MB