Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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

    4f57ecadcb01211787f5486a7230a8018a0f8a85dfe1ad7b633beb40126c1c56.exe

  • Size

    390KB

  • MD5

    482b5b5074e9a4dd3dd618255f853f73

  • SHA1

    a65442b85c5fac2fe3cb9b5af4ce4bf6238dd1e4

  • SHA256

    4f57ecadcb01211787f5486a7230a8018a0f8a85dfe1ad7b633beb40126c1c56

  • SHA512

    f8f6d4aa321abaae7e1ef37c03ef3df6b083ec13581328ca73a97022b4e39763102e8b5926b0a105135c6319327213e6a803b0042372bf8beb1d7d3ce83b0ddd

  • SSDEEP

    12288:GMrZy90aJyyFZrk62AYWbT4bPwnzmfhx:XyvpTrn0ba6

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 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\4f57ecadcb01211787f5486a7230a8018a0f8a85dfe1ad7b633beb40126c1c56.exe
    "C:\Users\Admin\AppData\Local\Temp\4f57ecadcb01211787f5486a7230a8018a0f8a85dfe1ad7b633beb40126c1c56.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2081809.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2081809.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3496
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1976300.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1976300.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4032
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2097999.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2097999.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2664
        • 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:4372
          • 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:3384
          • 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:3936
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:5044
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "legola.exe" /P "Admin:N"
                6⤵
                  PID:1080
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "legola.exe" /P "Admin:R" /E
                  6⤵
                    PID:1588
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:2108
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\ebb444342c" /P "Admin:N"
                      6⤵
                        PID:836
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\ebb444342c" /P "Admin:R" /E
                        6⤵
                          PID:3536
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t9843531.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t9843531.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1096
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:2784
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:1828

              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\t9843531.exe
                Filesize

                174KB

                MD5

                a12f97fb0436a0eb8f31309519a721af

                SHA1

                af3a51d724d688c98000750cd60f111c502f6a7d

                SHA256

                9a83633fcf9d2262f5a5cc5d804a40a3baed06df86146735541afa8819f50fb5

                SHA512

                40b156db3a2a6c5c7ace9822caf567b0791232179474fecca313d072d974dc703d96f6d39eea50d4a8c16a7af83b0fe209d70ed56c9f8af4faf7c660fbe165e2

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2081809.exe
                Filesize

                234KB

                MD5

                fe63433bba54b4c204c980dc15efadfd

                SHA1

                252e0f36da8f91f4eed8f1d9f345a74903df382e

                SHA256

                554d488199e5dd5504083845fab3092f4d76d87d75bcd0ddfaf4dac1d1d99b9c

                SHA512

                69652608390a4a474e4a4d70d7409ce97dabc63666cd863321c6034952d3d0103864024e3acf547965337c0096cf42be824fbec5ec2dadca5b05ea19bccea3d1

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1976300.exe
                Filesize

                13KB

                MD5

                b9e8b82a1111e5f99579603e867e066f

                SHA1

                51c4a563cd9010306c1c7b9233b7558601c87459

                SHA256

                a8399a95082e0c016baa2c89a98efc6b47195c645daa046700d162276ea6ea2e

                SHA512

                7886d6c778fb7f967db66aa2b503529607fb4bf74405fe79059674495f2fc39fc6261c3169addc5cb684feb7605201748d3f99fa011e03f1ed8f2aecdf72e3c5

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2097999.exe
                Filesize

                224KB

                MD5

                fef6f3d41b62cf8c70690e92fc75452b

                SHA1

                d2d161169a60aff2768f05a0baadeba32666f64f

                SHA256

                80c4d03c247e6674edc4876fa70d02f48f19a06e1a4b0da0b8685ca1099a0db3

                SHA512

                655a26a0cde241cf60272df1a22b549fc49966126d29b6796a6b963c50c51806ffe460ee386fb72ca7167f96bb3e05bc32520a9a6aee7ed2659486a54f56e29c

              • memory/1096-36-0x0000000005A10000-0x0000000005B1A000-memory.dmp
                Filesize

                1.0MB

              • memory/1096-33-0x0000000000E20000-0x0000000000E50000-memory.dmp
                Filesize

                192KB

              • memory/1096-34-0x0000000005780000-0x0000000005786000-memory.dmp
                Filesize

                24KB

              • memory/1096-35-0x0000000005F20000-0x0000000006538000-memory.dmp
                Filesize

                6.1MB

              • memory/1096-37-0x0000000005900000-0x0000000005912000-memory.dmp
                Filesize

                72KB

              • memory/1096-38-0x0000000005960000-0x000000000599C000-memory.dmp
                Filesize

                240KB

              • memory/1096-39-0x00000000059A0000-0x00000000059EC000-memory.dmp
                Filesize

                304KB

              • memory/4032-14-0x00000000002C0000-0x00000000002CA000-memory.dmp
                Filesize

                40KB

              • memory/4032-15-0x00007FF8CE0E3000-0x00007FF8CE0E5000-memory.dmp
                Filesize

                8KB