Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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 7 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: SetClipboardViewer 1 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:2628
    • 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:3820
      • 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:4620
    • 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:1028
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4216
      • 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:1016
        • 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:1096
          • 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:4552
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:4948
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2280
          • 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:4436
            • 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:668
          • 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:2148
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1668
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:5112
              • 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:4032
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:2276
                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                  "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                  2⤵
                  • Executes dropped EXE
                  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:3312
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:2252
                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                  "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:1016
                • 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⤵
                    PID:892
                    • 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:464
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    2⤵
                      PID:3824
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                      2⤵
                        PID:4068

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • 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\Microsoft\CLR_v4.0_32\UsageLogs\svchost.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\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

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

                      Filesize

                      1.3MB

                      MD5

                      5d86018377d9cf83e6e2c08fd9fd60d3

                      SHA1

                      3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                      SHA256

                      1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                      SHA512

                      d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                      Filesize

                      1.3MB

                      MD5

                      5d86018377d9cf83e6e2c08fd9fd60d3

                      SHA1

                      3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                      SHA256

                      1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                      SHA512

                      d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                      Filesize

                      1.3MB

                      MD5

                      5d86018377d9cf83e6e2c08fd9fd60d3

                      SHA1

                      3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                      SHA256

                      1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                      SHA512

                      d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                      Filesize

                      1.3MB

                      MD5

                      5d86018377d9cf83e6e2c08fd9fd60d3

                      SHA1

                      3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                      SHA256

                      1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                      SHA512

                      d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                      Filesize

                      1.3MB

                      MD5

                      5d86018377d9cf83e6e2c08fd9fd60d3

                      SHA1

                      3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                      SHA256

                      1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                      SHA512

                      d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

                    • memory/1016-76-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1016-78-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1028-62-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1028-35-0x0000000000540000-0x00000000005E2000-memory.dmp

                      Filesize

                      648KB

                    • memory/1028-36-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1028-56-0x00000000053C0000-0x00000000053EC000-memory.dmp

                      Filesize

                      176KB

                    • memory/1028-47-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1668-69-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1668-53-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/1668-55-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2252-73-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2252-77-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2252-72-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2628-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

                      Filesize

                      5.6MB

                    • memory/2628-3-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

                      Filesize

                      64KB

                    • memory/2628-4-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2628-5-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

                      Filesize

                      64KB

                    • memory/2628-37-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2628-1-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/2628-0-0x0000000000A20000-0x0000000000B70000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2628-6-0x00000000057D0000-0x0000000005930000-memory.dmp

                      Filesize

                      1.4MB

                    • memory/3820-10-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/3820-7-0x0000000000400000-0x0000000000466000-memory.dmp

                      Filesize

                      408KB

                    • memory/3820-44-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/3820-9-0x0000000001290000-0x0000000001298000-memory.dmp

                      Filesize

                      32KB

                    • memory/4216-65-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4216-61-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4216-57-0x0000000000400000-0x0000000000418000-memory.dmp

                      Filesize

                      96KB

                    • memory/4620-52-0x0000000005950000-0x0000000005960000-memory.dmp

                      Filesize

                      64KB

                    • memory/4620-38-0x0000000000FB0000-0x0000000000FF4000-memory.dmp

                      Filesize

                      272KB

                    • memory/4620-42-0x00000000058A0000-0x0000000005906000-memory.dmp

                      Filesize

                      408KB

                    • memory/4620-49-0x0000000007410000-0x00000000074A2000-memory.dmp

                      Filesize

                      584KB

                    • memory/4620-48-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4620-39-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4620-46-0x0000000007370000-0x000000000740C000-memory.dmp

                      Filesize

                      624KB

                    • memory/4620-45-0x0000000007280000-0x00000000072D0000-memory.dmp

                      Filesize

                      320KB

                    • memory/4620-54-0x0000000007340000-0x000000000734A000-memory.dmp

                      Filesize

                      40KB

                    • memory/4620-43-0x0000000005950000-0x0000000005960000-memory.dmp

                      Filesize

                      64KB

                    • memory/4852-68-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4852-70-0x00000000750D0000-0x0000000075880000-memory.dmp

                      Filesize

                      7.7MB