Analysis

  • max time kernel
    131s
  • 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
    11-10-2023 10:23

General

  • Target

    1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.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 4 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 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 3 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe
    "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe
      "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2952
      • 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:1664
    • 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:3672
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4988
      • 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:2952
        • 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:1556
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:2928
        • 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:1592
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:4000
          • 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:4320
            • 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:1880
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:3916
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            PID:1984

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.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\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/1664-42-0x0000000004960000-0x00000000049C6000-memory.dmp

            Filesize

            408KB

          • memory/1664-45-0x00000000061D0000-0x0000000006220000-memory.dmp

            Filesize

            320KB

          • memory/1664-51-0x00000000049D0000-0x00000000049E0000-memory.dmp

            Filesize

            64KB

          • memory/1664-50-0x0000000006280000-0x000000000628A000-memory.dmp

            Filesize

            40KB

          • memory/1664-49-0x0000000006360000-0x00000000063F2000-memory.dmp

            Filesize

            584KB

          • memory/1664-48-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1664-37-0x0000000000040000-0x0000000000084000-memory.dmp

            Filesize

            272KB

          • memory/1664-46-0x00000000062C0000-0x000000000635C000-memory.dmp

            Filesize

            624KB

          • memory/1664-40-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1664-41-0x00000000049D0000-0x00000000049E0000-memory.dmp

            Filesize

            64KB

          • memory/1984-63-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2744-0-0x0000000000D60000-0x0000000000EB0000-memory.dmp

            Filesize

            1.3MB

          • memory/2744-6-0x0000000005B70000-0x0000000005CD0000-memory.dmp

            Filesize

            1.4MB

          • memory/2744-5-0x0000000005960000-0x0000000005970000-memory.dmp

            Filesize

            64KB

          • memory/2744-4-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2744-1-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2744-2-0x0000000005F20000-0x00000000064C4000-memory.dmp

            Filesize

            5.6MB

          • memory/2744-3-0x0000000005960000-0x0000000005970000-memory.dmp

            Filesize

            64KB

          • memory/2744-39-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2952-7-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2952-10-0x0000000005640000-0x0000000005648000-memory.dmp

            Filesize

            32KB

          • memory/2952-36-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2952-9-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3672-38-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3672-52-0x0000000005510000-0x000000000553C000-memory.dmp

            Filesize

            176KB

          • memory/3672-47-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3672-57-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3672-33-0x0000000000220000-0x00000000002C2000-memory.dmp

            Filesize

            648KB

          • memory/4988-53-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB

          • memory/4988-56-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/4988-60-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB