Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 18:26

General

  • Target

    4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe

  • Size

    390KB

  • MD5

    476312e3c4f36a6599bf9978e6d605a0

  • SHA1

    ee25d5db5694aadc3a9efaa67fae8a8dcaf56629

  • SHA256

    4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb

  • SHA512

    2b671eef423f5502edfa8ebda69b3c696bcd9126b97b9a5e0b130e488ced8bf8ef4d47ab9a4d2f940e1c5c44c3246e4dfddd187d98382c2c653a09270c5e44dc

  • SSDEEP

    6144:KEy+bnr+bp0yN90QE8QNSryj31/wS5QRv4ZuHAQ3ojb0uDeP9VFh/5OqN6McLO:YMrTy90aQNS+j31vAKR0GzeTFhEqOO

Malware Config

Extracted

Family

amadey

Version

3.86

C2

http://5.42.92.67

Attributes
  • install_dir

    ebb444342c

  • install_file

    legola.exe

  • strings_key

    5680b049188ecacbfa57b1b29c2f35a7

  • url_paths

    /norm/index.php

rc4.plain

Extracted

Family

redline

Botnet

krast

C2

77.91.68.68:19071

Attributes
  • auth_value

    9059ea331e4599de3746df73ccb24514

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe
    "C:\Users\Admin\AppData\Local\Temp\4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4884
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4732
        • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
          "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3596
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN legola.exe /TR "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:2908
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "legola.exe" /P "Admin:N"&&CACLS "legola.exe" /P "Admin:R" /E&&echo Y|CACLS "..\ebb444342c" /P "Admin:N"&&CACLS "..\ebb444342c" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1412
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:1280
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "legola.exe" /P "Admin:N"
                6⤵
                  PID:3104
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "legola.exe" /P "Admin:R" /E
                  6⤵
                    PID:2676
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:2976
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\ebb444342c" /P "Admin:N"
                      6⤵
                        PID:1456
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\ebb444342c" /P "Admin:R" /E
                        6⤵
                          PID:2560
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe
                  2⤵
                  • Executes dropped EXE
                  PID:448
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:900
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:4580

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Execution

              Scheduled Task/Job

              1
              T1053

              Persistence

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Scheduled Task/Job

              1
              T1053

              Privilege Escalation

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Scheduled Task/Job

              1
              T1053

              Defense Evasion

              Modify Registry

              3
              T1112

              Impair Defenses

              2
              T1562

              Disable or Modify Tools

              2
              T1562.001

              Discovery

              Query Registry

              1
              T1012

              System Information Discovery

              2
              T1082

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe
                Filesize

                173KB

                MD5

                724524e7826b06b2d9004e8bee566a90

                SHA1

                8d9bba1b3a106cf43e7669601c06705d747d1666

                SHA256

                95fbb7ef4e009a2da579e7fea9287ce2fa03b78e1f22f15790dd12a2fdcc90c9

                SHA512

                a5b9decac1c7dfa587ca21f87d7aa9fac6a592565121fa127fc4949df8762e125fd3ccd459c2dbc30a6f13f697e99d536d9647257395dc04d48ca0e0aa94d7f8

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe
                Filesize

                234KB

                MD5

                1d7f0bbde4a1de9005e72ad73b04e815

                SHA1

                868382c50a8302dfbdb0581bb8adbd5cab2f6ca7

                SHA256

                ea7a2e99cc2c8335795cc9a9b7e68cac33146817112f5ec48f105b648f01df25

                SHA512

                d41aa8dcccbd3ef22fdc7705b04db06771080553b3dc5722f0c4e24d1c7ae94de9a0140204cdd576d3a513370b3e69d2eae83ac06a402296560265aab242f19d

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe
                Filesize

                11KB

                MD5

                f77d78af12b9628421ed4e1dfb7deb13

                SHA1

                9b6fa06af3564e2fe4724d8b5ebfdfd2a7ec0fd5

                SHA256

                10d806abe4d088bbb95c43a04c91f68a10888bd256de9c9a58c4c7642a9572ab

                SHA512

                6c01f44fdb412a58a19ddb4caf73a502a5aae10aecb959a67142ab267ef6732a7e5e6346c1a5ce5aa52823ae5b50372c083e4e59f650c835a38c75d334303e00

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe
                Filesize

                223KB

                MD5

                4c1ddb64aa9642cf1a82755cb11907b6

                SHA1

                024648f34c29ee0e80ac4bfddab1becd0f63a81f

                SHA256

                91bd59d4d14b1d6b2507691afc37760c60929aa64bff3ec83e55369d54bee38b

                SHA512

                7f14e4fa309c036f7ee44f88a6ec5ddc7a72b1fa0646646b5978c7efea44997e269945caf96b8d40d7597747492815e09f2664d769022e44db952cc5072d6a24

              • memory/448-36-0x0000000004B70000-0x0000000004C7A000-memory.dmp
                Filesize

                1.0MB

              • memory/448-33-0x0000000000070000-0x00000000000A0000-memory.dmp
                Filesize

                192KB

              • memory/448-34-0x0000000002320000-0x0000000002326000-memory.dmp
                Filesize

                24KB

              • memory/448-35-0x0000000005080000-0x0000000005698000-memory.dmp
                Filesize

                6.1MB

              • memory/448-37-0x00000000048F0000-0x0000000004902000-memory.dmp
                Filesize

                72KB

              • memory/448-38-0x0000000004A60000-0x0000000004A9C000-memory.dmp
                Filesize

                240KB

              • memory/448-39-0x0000000004AA0000-0x0000000004AEC000-memory.dmp
                Filesize

                304KB

              • memory/4884-15-0x0000000000CD0000-0x0000000000CDA000-memory.dmp
                Filesize

                40KB

              • memory/4884-14-0x00007FFC5F2F3000-0x00007FFC5F2F5000-memory.dmp
                Filesize

                8KB