Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 14:29

General

  • Target

    71d1420ff1b7b7e37d536b943d3ba7e0a2fa5972fce4156cbbc73c7416d49d80.exe

  • Size

    390KB

  • MD5

    0f6e9123147c19f2467905401e618e1b

  • SHA1

    917abbb6f211d4a7662c8f05947e799452691601

  • SHA256

    71d1420ff1b7b7e37d536b943d3ba7e0a2fa5972fce4156cbbc73c7416d49d80

  • SHA512

    151241129262e3de028e744556aa0ae408c5b469996892abd32ddd41dc86bc2a0e496e4bf2ed07c6a8cadff7643e3f0bc9b501eff36dd2b4a90b7ffef1e67e1f

  • SSDEEP

    6144:Kvy+bnr+Kp0yN90QEH1EEZn+h2FJ3GVHY+M0NoAsjLSTJHAcihT9/2U8sC2dQ:RMruy90cETW4YdJHnihTcU9BdQ

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

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 8 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\71d1420ff1b7b7e37d536b943d3ba7e0a2fa5972fce4156cbbc73c7416d49d80.exe
    "C:\Users\Admin\AppData\Local\Temp\71d1420ff1b7b7e37d536b943d3ba7e0a2fa5972fce4156cbbc73c7416d49d80.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6127935.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6127935.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p0089499.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p0089499.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2652
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2080448.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2080448.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3924
        • 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:4932
          • 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:3396
          • 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:1328
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4284
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "legola.exe" /P "Admin:N"
                6⤵
                  PID:4420
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "legola.exe" /P "Admin:R" /E
                  6⤵
                    PID:1684
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1140
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\ebb444342c" /P "Admin:N"
                      6⤵
                        PID:1500
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\ebb444342c" /P "Admin:R" /E
                        6⤵
                          PID:2088
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t7168966.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t7168966.exe
                  2⤵
                  • Executes dropped EXE
                  PID:4764
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:1272
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:2000
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:2140

              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\t7168966.exe
                Filesize

                174KB

                MD5

                8d389d073b2beebc6758e4426950acf1

                SHA1

                418b296c120f7d03a8fda12546f84abefe101bd7

                SHA256

                22052d0b22cb9fbf76cc9ce7d73630aae6709880c857d6c86e9297ba8728117c

                SHA512

                6382aa3ed4aec88b3ada0e001f8cca4d7ffeedb20650d4b63ce78dbad373d5b265954116604525e35af177b7cc0f729783560f20b04d0f8c90c76962ee277e27

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6127935.exe
                Filesize

                234KB

                MD5

                5cc11266b3d8b9fdfb73c46b6929c50c

                SHA1

                7a8b5a32269f1785a749a7f0577c2d9600fd9c84

                SHA256

                423dbbd7bdf741d19877d057fc05252d1464e68636e988bebd460e214986416b

                SHA512

                9b2fa4a88c467a2499c453505cdfdbf6fe22374d67e8ba4b45fa1da8594f126b155dbffcb9f2546b88814262feea677fc394ed36283172e88f80fc3ea85477fc

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p0089499.exe
                Filesize

                13KB

                MD5

                5e9cb39b7fd0110e2b07b5bb53e46943

                SHA1

                78f74fd61257827ed4a010d04705431203e6ed37

                SHA256

                b45d8a5bdba93cfa6879367d146f3b62e17ea91d99bd28cd5598ba67b832a9f8

                SHA512

                aa50da7eb3806f572b4bd41ab3d857ab7a8ba6e1296e27c8c04f350220292cd01cf8b7e04535177943789f10fd6640a03cbd097e562bad5d08d710f407d0376a

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2080448.exe
                Filesize

                224KB

                MD5

                b5b873d143037f6f5b0f786292fcaf34

                SHA1

                052639c3611d2df6b849e4da83b2bbebc978e8f0

                SHA256

                6d7d3363c6f6c7615e0106f45c36038ad4949ad828b8b549f28184f60a5c7767

                SHA512

                4f5047de6a84fd5e883a3c6bd8de5d995add661379c48bbdbd8758a7eef447ba7d08974fe70ccd7eac06e5adcc9f887c887d9e83cff9328269f35abf8cc37a2d

              • memory/2652-14-0x0000000000600000-0x000000000060A000-memory.dmp
                Filesize

                40KB

              • memory/2652-15-0x00007FFF636C3000-0x00007FFF636C5000-memory.dmp
                Filesize

                8KB

              • memory/4764-33-0x0000000000770000-0x00000000007A0000-memory.dmp
                Filesize

                192KB

              • memory/4764-34-0x0000000000F70000-0x0000000000F76000-memory.dmp
                Filesize

                24KB

              • memory/4764-35-0x00000000057D0000-0x0000000005DE8000-memory.dmp
                Filesize

                6.1MB

              • memory/4764-36-0x00000000052C0000-0x00000000053CA000-memory.dmp
                Filesize

                1.0MB

              • memory/4764-37-0x0000000004FF0000-0x0000000005002000-memory.dmp
                Filesize

                72KB

              • memory/4764-38-0x0000000005050000-0x000000000508C000-memory.dmp
                Filesize

                240KB

              • memory/4764-39-0x00000000051B0000-0x00000000051FC000-memory.dmp
                Filesize

                304KB