Analysis

  • max time kernel
    81s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2023 13:52

General

  • Target

    docrw20230925.exe

  • Size

    1.3MB

  • MD5

    be1b63ef6abc588245cdf4f346b26154

  • SHA1

    f67ee49fa9fb286bcd47e0b3dfcf758c320b7694

  • SHA256

    323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac

  • SHA512

    b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b

  • SSDEEP

    24576:DJaKfqD927EyXdyIA+T/QOb5zKPd+fDFBS8tzFr6iOhhRwQ35rmrfYYWThRhT:DJKk7EytyTiYuBnOhB3yYd1zT

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.royalcheckout.store
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    575K5(MaZro2575K5(MaZro2

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalcheckout.store
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    575K5(MaZro2575K5(Ma

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Users\Admin\AppData\Roaming\rw22.exe
        "C:\Users\Admin\AppData\Roaming\rw22.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3584
      • C:\Users\Admin\AppData\Roaming\rw22s.exe
        "C:\Users\Admin\AppData\Roaming\rw22s.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1680
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:2200
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:2240
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3904
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:2564
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
          3⤵
            PID:4108
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docrw20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:4272
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3708
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
              3⤵
              • Creates scheduled task(s)
              PID:944
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:5076
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            PID:464
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:5012
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:3404

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docrw20230925.exe.log

                Filesize

                520B

                MD5

                03febbff58da1d3318c31657d89c8542

                SHA1

                c9e017bd9d0a4fe533795b227c855935d86c2092

                SHA256

                5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4

                SHA512

                3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

              • C:\Users\Admin\AppData\Roaming\rw22.exe

                Filesize

                247KB

                MD5

                affedd10250198f0781ed03c7436dd73

                SHA1

                7f288722f40f1a922d52806c3a2c1be38976af42

                SHA256

                ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d

                SHA512

                3301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8

              • C:\Users\Admin\AppData\Roaming\rw22.exe

                Filesize

                247KB

                MD5

                affedd10250198f0781ed03c7436dd73

                SHA1

                7f288722f40f1a922d52806c3a2c1be38976af42

                SHA256

                ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d

                SHA512

                3301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8

              • C:\Users\Admin\AppData\Roaming\rw22.exe

                Filesize

                247KB

                MD5

                affedd10250198f0781ed03c7436dd73

                SHA1

                7f288722f40f1a922d52806c3a2c1be38976af42

                SHA256

                ee59a241d7250c8bb85adab597bbfdac65fdc06ce8ab8906a0f539f15f2c6a4d

                SHA512

                3301e43af58b92bc4aefe9ef52cc3f84781402a61dc4522d958447249eeec925f74523ce3106faf95f47b85bb610a0aa89a6837bc1633eec9e59b7324144b8c8

              • C:\Users\Admin\AppData\Roaming\rw22s.exe

                Filesize

                126KB

                MD5

                bb2040e262a906cdd553a14bfdf69c83

                SHA1

                8be60fa020cea2dd37ae876e9e6e0b571e04fd50

                SHA256

                b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97

                SHA512

                2b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb

              • C:\Users\Admin\AppData\Roaming\rw22s.exe

                Filesize

                126KB

                MD5

                bb2040e262a906cdd553a14bfdf69c83

                SHA1

                8be60fa020cea2dd37ae876e9e6e0b571e04fd50

                SHA256

                b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97

                SHA512

                2b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb

              • C:\Users\Admin\AppData\Roaming\rw22s.exe

                Filesize

                126KB

                MD5

                bb2040e262a906cdd553a14bfdf69c83

                SHA1

                8be60fa020cea2dd37ae876e9e6e0b571e04fd50

                SHA256

                b82e41ff47a84abf4995b74382c70bbe8190f19173a4f8d6006f8cb952f68c97

                SHA512

                2b91adc5c134d4e32e3a95bacda1da59c1aaea05842e02c4bd9526c5cc1193094bca657423a8b926108021f2aa03e321379c39280bf80633b15788f722e3d5eb

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                1.3MB

                MD5

                be1b63ef6abc588245cdf4f346b26154

                SHA1

                f67ee49fa9fb286bcd47e0b3dfcf758c320b7694

                SHA256

                323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac

                SHA512

                b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                1.3MB

                MD5

                be1b63ef6abc588245cdf4f346b26154

                SHA1

                f67ee49fa9fb286bcd47e0b3dfcf758c320b7694

                SHA256

                323f7a2c28d21f7098817977c3854be91f379cb2791fbc5504d6c3342fb163ac

                SHA512

                b1dd770c40256f7013b1fd96b348d29720730cbce0366ac6445bf95e5924f6588ae65e7ab84e9100068d2886912fc7126240b41a8c42441a2dc0ab9fa1fb493b

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                375KB

                MD5

                b81170aec3cb33cec4df6be9429d7e38

                SHA1

                4f193f9daf2e5cfca5a4833a61e4a33c6d83adfe

                SHA256

                3a0e45295f2fd745c3dfac857f28e2e4caa87412ea991ef98f34e81986a2bee8

                SHA512

                eb1585d013a1b472ef7096cc738c1a474bfd3d1da32c1169fac340c493618fed791a77526bf4f3140f4524de03145f79a3bf3739221108c0386450168b2a616e

              • memory/8-9-0x0000000001570000-0x0000000001578000-memory.dmp

                Filesize

                32KB

              • memory/8-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/8-11-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/8-50-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/464-72-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/464-70-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/1680-53-0x00000000052B0000-0x000000000534C000-memory.dmp

                Filesize

                624KB

              • memory/1680-64-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/1680-51-0x0000000000930000-0x0000000000956000-memory.dmp

                Filesize

                152KB

              • memory/1680-81-0x00000000055A0000-0x00000000055B0000-memory.dmp

                Filesize

                64KB

              • memory/1680-71-0x00000000055A0000-0x00000000055B0000-memory.dmp

                Filesize

                64KB

              • memory/1680-67-0x00000000055A0000-0x00000000055B0000-memory.dmp

                Filesize

                64KB

              • memory/1680-52-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/1680-61-0x00000000065B0000-0x0000000006642000-memory.dmp

                Filesize

                584KB

              • memory/1680-60-0x00000000066E0000-0x00000000068A2000-memory.dmp

                Filesize

                1.8MB

              • memory/1680-56-0x00000000055A0000-0x00000000055B0000-memory.dmp

                Filesize

                64KB

              • memory/1680-59-0x00000000064C0000-0x0000000006510000-memory.dmp

                Filesize

                320KB

              • memory/2200-82-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/2200-76-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/2200-74-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2228-5-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

                Filesize

                64KB

              • memory/2228-1-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/2228-48-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/2228-2-0x0000000005190000-0x0000000005734000-memory.dmp

                Filesize

                5.6MB

              • memory/2228-3-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

                Filesize

                64KB

              • memory/2228-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/2228-0-0x0000000000120000-0x0000000000270000-memory.dmp

                Filesize

                1.3MB

              • memory/2228-6-0x0000000004D50000-0x0000000004EB0000-memory.dmp

                Filesize

                1.4MB

              • memory/3000-63-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/3000-73-0x0000000005B30000-0x0000000005B5C000-memory.dmp

                Filesize

                176KB

              • memory/3000-47-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/3000-78-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/3000-40-0x0000000000840000-0x00000000008E2000-memory.dmp

                Filesize

                648KB

              • memory/3584-66-0x0000000004A60000-0x0000000004A70000-memory.dmp

                Filesize

                64KB

              • memory/3584-54-0x0000000004A70000-0x0000000004AD6000-memory.dmp

                Filesize

                408KB

              • memory/3584-65-0x00000000062C0000-0x00000000062CA000-memory.dmp

                Filesize

                40KB

              • memory/3584-43-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/3584-62-0x0000000074400000-0x0000000074BB0000-memory.dmp

                Filesize

                7.7MB

              • memory/3584-55-0x0000000004A60000-0x0000000004A70000-memory.dmp

                Filesize

                64KB

              • memory/3584-45-0x0000000000080000-0x00000000000C4000-memory.dmp

                Filesize

                272KB