Analysis

  • max time kernel
    138s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 14:27

General

  • Target

    docfra20230925.exe

  • Size

    1.3MB

  • MD5

    5d86018377d9cf83e6e2c08fd9fd60d3

  • SHA1

    3ae1897f221aa5893f8aff0bfd79666f8ba2236f

  • SHA256

    1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

  • SHA512

    d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

  • SSDEEP

    24576:YkzJBUqX3qbkN6s2P2VElQJyNmXy76p7ZUgSb2H8KZ/L2zZnJf+MCFL3:YkNBH16sVOy0NmXIgSudT2teL

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalcheckout.store
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    esubwDViXlQ2@@##

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 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 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 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docfra20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docfra20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\docfra20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docfra20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Users\Admin\AppData\Roaming\frankdan.exe
        "C:\Users\Admin\AppData\Roaming\frankdan.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:232
    • 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:3320
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:3304
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:3312
        • 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:2964
          • 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:4904
        • 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:1048
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2428
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docfra20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:3736
            • 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:4852
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            1⤵
            • Creates scheduled task(s)
            PID:4600
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1304
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious behavior: SetClipboardViewer
              PID:2024
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\avast\avast.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
              2⤵
                PID:4776
              • 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
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:680
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                  3⤵
                  • Creates scheduled task(s)
                  PID:3880
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
                2⤵
                  PID:2740
              • C:\Users\Admin\AppData\Roaming\avast\avast.exe
                C:\Users\Admin\AppData\Roaming\avast\avast.exe
                1⤵
                • Executes dropped EXE
                PID:5032

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

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

                Filesize

                520B

                MD5

                03febbff58da1d3318c31657d89c8542

                SHA1

                c9e017bd9d0a4fe533795b227c855935d86c2092

                SHA256

                5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4

                SHA512

                3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docfra20230925.exe.log

                Filesize

                226B

                MD5

                916851e072fbabc4796d8916c5131092

                SHA1

                d48a602229a690c512d5fdaf4c8d77547a88e7a2

                SHA256

                7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

                SHA512

                07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

              • 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\avast\avast.exe

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                247KB

                MD5

                e254aed552568e13df13e204adcb8011

                SHA1

                18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                SHA256

                23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                SHA512

                f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

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

                Filesize

                247KB

                MD5

                e254aed552568e13df13e204adcb8011

                SHA1

                18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                SHA256

                23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                SHA512

                f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

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

                Filesize

                247KB

                MD5

                e254aed552568e13df13e204adcb8011

                SHA1

                18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                SHA256

                23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                SHA512

                f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

              • memory/232-44-0x00000000050D0000-0x0000000005136000-memory.dmp

                Filesize

                408KB

              • memory/232-43-0x00000000051A0000-0x00000000051B0000-memory.dmp

                Filesize

                64KB

              • memory/232-51-0x00000000051A0000-0x00000000051B0000-memory.dmp

                Filesize

                64KB

              • memory/232-37-0x00000000006E0000-0x0000000000724000-memory.dmp

                Filesize

                272KB

              • memory/232-36-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/232-49-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/232-48-0x00000000067D0000-0x00000000067DA000-memory.dmp

                Filesize

                40KB

              • memory/232-47-0x00000000068C0000-0x0000000006952000-memory.dmp

                Filesize

                584KB

              • memory/232-46-0x0000000006820000-0x00000000068BC000-memory.dmp

                Filesize

                624KB

              • memory/232-45-0x0000000006730000-0x0000000006780000-memory.dmp

                Filesize

                320KB

              • memory/1304-65-0x00000000052C0000-0x00000000052D0000-memory.dmp

                Filesize

                64KB

              • memory/1304-72-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/1304-66-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/1304-64-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/2024-73-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/2024-69-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/2024-71-0x0000000005490000-0x00000000054A0000-memory.dmp

                Filesize

                64KB

              • memory/3304-55-0x0000000000190000-0x00000000001A8000-memory.dmp

                Filesize

                96KB

              • memory/3304-61-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/3304-57-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/3320-50-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/3320-40-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/3320-52-0x00000000058F0000-0x000000000591C000-memory.dmp

                Filesize

                176KB

              • memory/3320-58-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/3320-35-0x0000000000600000-0x00000000006A2000-memory.dmp

                Filesize

                648KB

              • memory/4156-5-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

                Filesize

                64KB

              • memory/4156-4-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/4156-1-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/4156-6-0x0000000005D80000-0x0000000005EE0000-memory.dmp

                Filesize

                1.4MB

              • memory/4156-3-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

                Filesize

                64KB

              • memory/4156-39-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/4156-2-0x0000000006180000-0x0000000006724000-memory.dmp

                Filesize

                5.6MB

              • memory/4156-0-0x0000000000FC0000-0x0000000001110000-memory.dmp

                Filesize

                1.3MB

              • memory/4496-10-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/4496-38-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB

              • memory/4496-9-0x00000000057C0000-0x00000000057C8000-memory.dmp

                Filesize

                32KB

              • memory/4496-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/5032-76-0x0000000074C60000-0x0000000075410000-memory.dmp

                Filesize

                7.7MB