Analysis

  • max time kernel
    79s
  • max time network
    104s
  • 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 10:25

General

  • Target

    a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.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 3 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
    "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
      "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3756
      • C:\Users\Admin\AppData\Roaming\kingshakes.exe
        "C:\Users\Admin\AppData\Roaming\kingshakes.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:224
    • 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:1288
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:2144
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:4248
        • 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⤵
            PID:3272
            • 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:4260
          • 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:4108
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:832
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:2340
              • 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:4148
                • 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:4692
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              C:\Users\Admin\AppData\Roaming\avast\avast.exe
              1⤵
                PID:4188

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.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

                512KB

                MD5

                d00ff189ea26e80641fb5a6800b76f5c

                SHA1

                3747160352700bc24c9e929336c557757e8695fa

                SHA256

                649b457cde0f4dfd0be50357931003a4328441f44276d744174f14f35d0ef8bc

                SHA512

                156956fbbc855fb59565e5b5684ce61fe1614bac72bab89bd8191585735e723690b5b6b340eb281757cda45556fb39ef94683deaaaa1b2f374bb815c3ed62c0c

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

              • memory/224-35-0x0000000000D60000-0x0000000000DA4000-memory.dmp

                Filesize

                272KB

              • memory/224-43-0x0000000005700000-0x0000000005710000-memory.dmp

                Filesize

                64KB

              • memory/224-47-0x0000000005700000-0x0000000005710000-memory.dmp

                Filesize

                64KB

              • memory/224-46-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/224-49-0x0000000007060000-0x00000000070FC000-memory.dmp

                Filesize

                624KB

              • memory/224-44-0x0000000005660000-0x00000000056C6000-memory.dmp

                Filesize

                408KB

              • memory/224-39-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/224-48-0x0000000006F70000-0x0000000006FC0000-memory.dmp

                Filesize

                320KB

              • memory/224-50-0x00000000071A0000-0x0000000007232000-memory.dmp

                Filesize

                584KB

              • memory/224-51-0x0000000007140000-0x000000000714A000-memory.dmp

                Filesize

                40KB

              • memory/1080-0-0x0000000000420000-0x000000000056E000-memory.dmp

                Filesize

                1.3MB

              • memory/1080-4-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/1080-3-0x0000000004EF0000-0x0000000004F00000-memory.dmp

                Filesize

                64KB

              • memory/1080-40-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/1080-5-0x0000000004EF0000-0x0000000004F00000-memory.dmp

                Filesize

                64KB

              • memory/1080-6-0x00000000051F0000-0x0000000005350000-memory.dmp

                Filesize

                1.4MB

              • memory/1080-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

                Filesize

                5.6MB

              • memory/1080-1-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/1288-52-0x0000000005F20000-0x0000000005F4C000-memory.dmp

                Filesize

                176KB

              • memory/1288-45-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/1288-33-0x0000000000C30000-0x0000000000CD2000-memory.dmp

                Filesize

                648KB

              • memory/1288-36-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/1288-57-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/2144-53-0x0000000000400000-0x0000000000418000-memory.dmp

                Filesize

                96KB

              • memory/2144-56-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/3756-10-0x0000000002EB0000-0x0000000002EB8000-memory.dmp

                Filesize

                32KB

              • memory/3756-37-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/3756-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/3756-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB

              • memory/4188-62-0x0000000074F00000-0x00000000756B0000-memory.dmp

                Filesize

                7.7MB