Analysis

  • max time kernel
    121s
  • max time network
    122s
  • 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 11:25

General

  • Target

    1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.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 2 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_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3348
      • 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:2820
    • 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:4636
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:1428
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:3408
        • 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:3940
          • 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:4308
        • 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:4880
        • 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:540
          • 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:4228
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:1276
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:452
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            PID:4048
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
              2⤵
                PID:4468
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
                2⤵
                  PID:3644

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3_JC.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\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

                192KB

                MD5

                9c803fa54eefde46b5765294760c82a5

                SHA1

                d9ef862563303e4a2e1422028599b61b8853b186

                SHA256

                130067863a5333108fa204a1593f6bfe4ca1b51dc537833515de4d544dc075e9

                SHA512

                3b772420441250f049824b37443f6de8d064d58cd2d64e10d3551e2f2606f6e41e884fb256540f81968514046c3f1e826da2e7aec27b7238fb722c54c80e0e88

              • 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/1428-53-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/1428-57-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/1428-61-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/2820-45-0x0000000006AC0000-0x0000000006B10000-memory.dmp

                Filesize

                320KB

              • memory/2820-49-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/2820-35-0x0000000000930000-0x0000000000974000-memory.dmp

                Filesize

                272KB

              • memory/2820-48-0x0000000006B60000-0x0000000006B6A000-memory.dmp

                Filesize

                40KB

              • memory/2820-47-0x0000000006C50000-0x0000000006CE2000-memory.dmp

                Filesize

                584KB

              • memory/2820-51-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

                Filesize

                64KB

              • memory/2820-46-0x0000000006BB0000-0x0000000006C4C000-memory.dmp

                Filesize

                624KB

              • memory/2820-39-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/2820-42-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

                Filesize

                64KB

              • memory/2820-41-0x0000000005330000-0x0000000005396000-memory.dmp

                Filesize

                408KB

              • memory/3348-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/3348-9-0x0000000000F40000-0x0000000000F48000-memory.dmp

                Filesize

                32KB

              • memory/3348-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/3348-36-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/3796-40-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/3796-3-0x0000000005250000-0x0000000005260000-memory.dmp

                Filesize

                64KB

              • memory/3796-1-0x00000000006A0000-0x00000000007F0000-memory.dmp

                Filesize

                1.3MB

              • memory/3796-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

                Filesize

                5.6MB

              • memory/3796-0-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/3796-5-0x0000000005250000-0x0000000005260000-memory.dmp

                Filesize

                64KB

              • memory/3796-4-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/3796-6-0x0000000005460000-0x00000000055C0000-memory.dmp

                Filesize

                1.4MB

              • memory/4048-65-0x0000000004B90000-0x0000000004BA0000-memory.dmp

                Filesize

                64KB

              • memory/4048-64-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/4048-66-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/4048-67-0x0000000004B90000-0x0000000004BA0000-memory.dmp

                Filesize

                64KB

              • memory/4636-33-0x0000000000C80000-0x0000000000D22000-memory.dmp

                Filesize

                648KB

              • memory/4636-58-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/4636-52-0x0000000005F70000-0x0000000005F9C000-memory.dmp

                Filesize

                176KB

              • memory/4636-50-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB

              • memory/4636-37-0x00000000745C0000-0x0000000074D70000-memory.dmp

                Filesize

                7.7MB