Analysis

  • max time kernel
    143s
  • max time network
    155s
  • 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, 11:56

General

  • Target

    10c3a4b3e37a803bd0aa6309c39158c1cdc781b3496a972f062f1fe958597862.exe

  • Size

    390KB

  • MD5

    a0ca6912e574833240194ec4fe31f631

  • SHA1

    8755f22d65a895e74cfc8675410f24e255f0827b

  • SHA256

    10c3a4b3e37a803bd0aa6309c39158c1cdc781b3496a972f062f1fe958597862

  • SHA512

    4b0b545b1f5bc3d93d71d6a9cd4cb411fb38a56f4c426648fe38837e4bc00c70f8406f679ae08aa8aa296edab828f8aa2b7c3b2db2f7ecb3ca62ee277e6be6ca

  • SSDEEP

    6144:KFy+bnr+Wp0yN90QEMMHTfcOSn1XrkWGjZNJ2h74Tj98p881bbZKgTDUONPu/:7Mriy90BzfcOS112Tj9g1RKgDUqm/

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\10c3a4b3e37a803bd0aa6309c39158c1cdc781b3496a972f062f1fe958597862.exe
    "C:\Users\Admin\AppData\Local\Temp\10c3a4b3e37a803bd0aa6309c39158c1cdc781b3496a972f062f1fe958597862.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1441314.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1441314.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3756
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4739101.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4739101.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3936
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r7443412.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r7443412.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2452
        • 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:3828
          • 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:5064
          • 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:1216
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:1500
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "legola.exe" /P "Admin:N"
                6⤵
                  PID:4344
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "legola.exe" /P "Admin:R" /E
                  6⤵
                    PID:4756
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:3748
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\ebb444342c" /P "Admin:N"
                      6⤵
                        PID:4076
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\ebb444342c" /P "Admin:R" /E
                        6⤵
                          PID:1388
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t9154178.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t9154178.exe
                  2⤵
                  • Executes dropped EXE
                  PID:3204
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:3608
              • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                1⤵
                • Executes dropped EXE
                PID:3388

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t9154178.exe

                Filesize

                173KB

                MD5

                99e36e86747624ce7e5da55c03888ee3

                SHA1

                24d2ae5e591eba4a41e6179216f7e987db2a2c1b

                SHA256

                a19fd8defd322b6376247cc6286bdc3b148122352d7e5ef5558913e8eee15ef7

                SHA512

                da26ab769001c84b3fe54e28bb483bc883df1731a148b2d3b229150b7dabab35b067232a7ada0a2887af721812203cf499be3f70135a1550b4984737b222af26

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1441314.exe

                Filesize

                234KB

                MD5

                ecdf0501309ebbe40bd5663865513891

                SHA1

                0caab1e4c53506c7a79d6cadf98b31822ef7306e

                SHA256

                4dec9215d11425136df166231deb391ca0421f5c0c6446d35c13ac3950d5c082

                SHA512

                64f5c2c296292b026f0eb78f310f11d30823d1a77a5a8713623680898c936bf79fafa049ed063f4d3ce62e0a087cf81ff933d64a2f034ef9102294d93eb24920

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4739101.exe

                Filesize

                12KB

                MD5

                a1e5b03a27a558b91e76657c8e7a6515

                SHA1

                18a9cb7b4128c531f3ccab31c8c7899fe1fcdca2

                SHA256

                be926f903af8e981a765bb13eba07f7265eff632f361c8d79dfd674e95d0c9a9

                SHA512

                dadf9d67c59c2e6b6661b34feecdf51e7a11d0af0ee0da888927b9bea5a96b46bcd3d49f4683ec35731fc3f911edaf2dfee8b5b1d2b6f7f034a1520a952db837

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r7443412.exe

                Filesize

                224KB

                MD5

                ea89359eecab843b6ab42eb46ac186c4

                SHA1

                dbb900ffc44da3d58d38d4be31e452cadc4599b0

                SHA256

                c9e75f65f89d5fabe9f48514562b195057bac2e066e890034cefcc2ba0ad1e86

                SHA512

                be442b3039721173c3fd9998d37987fdf3164ada6eba98de2fde62fa0b7e5076dbc9d5ad8981b4470d69c0323f53b507224feff60d981cebe62a9553ffdaad1b

              • memory/3204-36-0x0000000005920000-0x0000000005A2A000-memory.dmp

                Filesize

                1.0MB

              • memory/3204-33-0x0000000000CD0000-0x0000000000D00000-memory.dmp

                Filesize

                192KB

              • memory/3204-34-0x0000000003100000-0x0000000003106000-memory.dmp

                Filesize

                24KB

              • memory/3204-35-0x0000000005E30000-0x0000000006448000-memory.dmp

                Filesize

                6.1MB

              • memory/3204-37-0x0000000005690000-0x00000000056A2000-memory.dmp

                Filesize

                72KB

              • memory/3204-38-0x0000000005810000-0x000000000584C000-memory.dmp

                Filesize

                240KB

              • memory/3204-39-0x0000000005850000-0x000000000589C000-memory.dmp

                Filesize

                304KB

              • memory/3936-15-0x00007FFCFF163000-0x00007FFCFF165000-memory.dmp

                Filesize

                8KB

              • memory/3936-14-0x0000000000A50000-0x0000000000A5A000-memory.dmp

                Filesize

                40KB