Analysis

  • max time kernel
    110s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2023 17:00

General

  • Target

    a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe

  • Size

    1.3MB

  • MD5

    4a0d61fe2000566f8b688d18681c0b5a

  • SHA1

    c473e7bafd6351cb8f1870eadb73316cd5cb5e91

  • SHA256

    a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

  • SHA512

    a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

  • SSDEEP

    24576:s3yIf2H3CSfGxoBYocM4D8Ss5kHb291wOQO+XvnzHhMTfU8+LxD3Fwp:sF2HtfGyBxAm5S6m7mT+1F

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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • 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 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Users\Admin\AppData\Roaming\kingshakes.exe
        "C:\Users\Admin\AppData\Roaming\kingshakes.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:452
    • 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:2092
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:3620
      • 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:2808
        • 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:4788
          • 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:1976
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:3600
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:3312
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:3864
            • 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:4884
          • 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:2444
          • 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:4236
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
              • Executes dropped EXE
              PID:3432
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
              2⤵
                PID:3220
              • 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:4992
                • 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:2160
              • 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:3560
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                1⤵
                • Executes dropped EXE
                PID:4428

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_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\kingshakes.exe

                Filesize

                245KB

                MD5

                0838ea6ef01e3577d1bfb57b5980c319

                SHA1

                35920bea7d7c0476c814aca6db53a284621ddeec

                SHA256

                05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                SHA512

                381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

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

                Filesize

                245KB

                MD5

                0838ea6ef01e3577d1bfb57b5980c319

                SHA1

                35920bea7d7c0476c814aca6db53a284621ddeec

                SHA256

                05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                SHA512

                381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

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

                Filesize

                245KB

                MD5

                0838ea6ef01e3577d1bfb57b5980c319

                SHA1

                35920bea7d7c0476c814aca6db53a284621ddeec

                SHA256

                05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                SHA512

                381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

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

                Filesize

                1.3MB

                MD5

                4a0d61fe2000566f8b688d18681c0b5a

                SHA1

                c473e7bafd6351cb8f1870eadb73316cd5cb5e91

                SHA256

                a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

                SHA512

                a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

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

                Filesize

                1.3MB

                MD5

                4a0d61fe2000566f8b688d18681c0b5a

                SHA1

                c473e7bafd6351cb8f1870eadb73316cd5cb5e91

                SHA256

                a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

                SHA512

                a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

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

                Filesize

                1.3MB

                MD5

                4a0d61fe2000566f8b688d18681c0b5a

                SHA1

                c473e7bafd6351cb8f1870eadb73316cd5cb5e91

                SHA256

                a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

                SHA512

                a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

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

                Filesize

                576KB

                MD5

                cb54135171613a2f966d61bba2de6f87

                SHA1

                edc87839500d18f5d6067049d02e6c075c089f10

                SHA256

                fca2133910f70007b953c27430ed45a1dce4f777e29849f890cb83087593f3fb

                SHA512

                b26420701394f5494ba4731fc36a1b9da3b041b327926f0c3e68af0b3cc5322268e208723380bfebd38d52a373a0415022cccd1e7c29f89ff72dd60602298d1f

              • memory/348-4-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/348-5-0x0000000005990000-0x00000000059A0000-memory.dmp

                Filesize

                64KB

              • memory/348-3-0x0000000005990000-0x00000000059A0000-memory.dmp

                Filesize

                64KB

              • memory/348-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

                Filesize

                5.6MB

              • memory/348-1-0x0000000000F00000-0x000000000104E000-memory.dmp

                Filesize

                1.3MB

              • memory/348-0-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/348-39-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/348-6-0x0000000005CB0000-0x0000000005E10000-memory.dmp

                Filesize

                1.4MB

              • memory/452-44-0x0000000005410000-0x0000000005476000-memory.dmp

                Filesize

                408KB

              • memory/452-54-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

                Filesize

                40KB

              • memory/452-43-0x00000000052A0000-0x00000000052B0000-memory.dmp

                Filesize

                64KB

              • memory/452-40-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/452-53-0x0000000006E80000-0x0000000006F12000-memory.dmp

                Filesize

                584KB

              • memory/452-46-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/452-47-0x00000000052A0000-0x00000000052B0000-memory.dmp

                Filesize

                64KB

              • memory/452-48-0x0000000006B50000-0x0000000006BA0000-memory.dmp

                Filesize

                320KB

              • memory/452-49-0x0000000006C40000-0x0000000006CDC000-memory.dmp

                Filesize

                624KB

              • memory/452-38-0x0000000000990000-0x00000000009D4000-memory.dmp

                Filesize

                272KB

              • memory/2092-62-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/2092-45-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/2092-35-0x00000000003A0000-0x0000000000442000-memory.dmp

                Filesize

                648KB

              • memory/2092-56-0x00000000056B0000-0x00000000056DC000-memory.dmp

                Filesize

                176KB

              • memory/2092-36-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/3432-70-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/3432-68-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/3620-57-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/3620-65-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/3620-61-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/4168-10-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/4168-9-0x0000000005310000-0x0000000005318000-memory.dmp

                Filesize

                32KB

              • memory/4168-37-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/4168-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/4236-55-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/4236-52-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB

              • memory/4236-69-0x0000000074950000-0x0000000075100000-memory.dmp

                Filesize

                7.7MB