Analysis

  • max time kernel
    173s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 13:18

General

  • Target

    f943251c5b3ff162faabeb09676429800f82298b7971cbfb3dee652de07b391b.exe

  • Size

    389KB

  • MD5

    2de3042570f5c1958092fccd52196050

  • SHA1

    825a3ed1c11fbbb29f78be5b760b7b2bd09b3608

  • SHA256

    f943251c5b3ff162faabeb09676429800f82298b7971cbfb3dee652de07b391b

  • SHA512

    bb05c46d754c4389cc6dd64341b44a27ba466c4786911543a5671b3371541afbb9c69c0052ec37417b7bef11b69d5314d889cc3e62ba5604140876afa1b23541

  • SSDEEP

    6144:Kvy+bnr+1p0yN90QELYTRHY6J0ZCPWEMjxFYWYUn3JSt2fgBZ+t4zDg7RJVrQ3N:BMr9y90I2CPzcnYCM2fgBYCzs7REN

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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f943251c5b3ff162faabeb09676429800f82298b7971cbfb3dee652de07b391b.exe
    "C:\Users\Admin\AppData\Local\Temp\f943251c5b3ff162faabeb09676429800f82298b7971cbfb3dee652de07b391b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7661534.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7661534.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4651268.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4651268.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3512
        • 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:560
          • 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:2332
          • 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:2484
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:3308
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:N"
                6⤵
                  PID:1272
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:R" /E
                  6⤵
                    PID:1852
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1804
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:N"
                      6⤵
                        PID:728
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:R" /E
                        6⤵
                          PID:2980
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h6394657.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h6394657.exe
                    3⤵
                    • Modifies Windows Defender Real-time Protection settings
                    • Executes dropped EXE
                    • Windows security modification
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:660
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3936 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3252

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7661534.exe

                  Filesize

                  234KB

                  MD5

                  b590de91b098593e9d552d46029e22a0

                  SHA1

                  68efe1b06f4ff1415479c9401f6975fe8c5890a3

                  SHA256

                  8ccb68574729f8a471c6ba81c8611248a1f3def44181a894a04f7fd2003df361

                  SHA512

                  327f417030d7d54732c6687d693192dd95e9f53f0b1fa492fe73aef9668acde1cb5ebceea40a78903642f51a87888b4173adaf7ef21c12e627294d939c0c32cd

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4651268.exe

                  Filesize

                  223KB

                  MD5

                  aea234064483f651010cf9d981f59fea

                  SHA1

                  002ad73a666d2d92d0c6d6b617e61c6fa0c5f3a6

                  SHA256

                  58b02c8b4bc2bf7f5f1e8e45d7c206956f188ae56b648922ca75987b999db503

                  SHA512

                  eae415ef55aeb1b4548c2422a72e618fce17c2c1322918d33dc6b9202a01c743a5684ba28e5d83b6cdb2b703bc12569e6bb0e87ef2decb4e8a18592e1380a434

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h6394657.exe

                  Filesize

                  11KB

                  MD5

                  7e93bacbbc33e6652e147e7fe07572a0

                  SHA1

                  421a7167da01c8da4dc4d5234ca3dd84e319e762

                  SHA256

                  850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                  SHA512

                  250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

                • memory/660-27-0x0000000000780000-0x000000000078A000-memory.dmp

                  Filesize

                  40KB