Analysis

  • max time kernel
    178s
  • max time network
    202s
  • 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 11:24

General

  • Target

    26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe

  • Size

    1.3MB

  • MD5

    aa9dd2c152d86d81236ad564d3c2a078

  • SHA1

    c03deff1a4d16f3d8ababdbc46ee84434edf45da

  • SHA256

    26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6

  • SHA512

    9175e0bbedb2ec048225b90312342663079282c3d63bb9eaea91b39395c0c4ff726c8dfd6d9283b5eb291b63451cc9108228c83773cfaa2be7a7b02eea0c3a82

  • SSDEEP

    24576:oIluyj5gi9DaTSV//eSGUZgCRZ4cuApE9eOKUvau9Z5JiN:oIluyjui9Dmk/BGcDR0ApceOSuv

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 5 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 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 54 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Users\Admin\AppData\Roaming\utchmann.exe
        "C:\Users\Admin\AppData\Roaming\utchmann.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: SetClipboardViewer
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4344
    • 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:2276
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:224
      • 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:1124
        • 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:2396
          • 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:4636
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:3984
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2412
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:4116
            • 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:1516
              • 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:4220
          • 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:3704
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
              • Executes dropped EXE
              PID:2844
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
              2⤵
                PID:4356

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6_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\svchost\svchost.exe

              Filesize

              1.3MB

              MD5

              aa9dd2c152d86d81236ad564d3c2a078

              SHA1

              c03deff1a4d16f3d8ababdbc46ee84434edf45da

              SHA256

              26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6

              SHA512

              9175e0bbedb2ec048225b90312342663079282c3d63bb9eaea91b39395c0c4ff726c8dfd6d9283b5eb291b63451cc9108228c83773cfaa2be7a7b02eea0c3a82

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

              Filesize

              1.3MB

              MD5

              aa9dd2c152d86d81236ad564d3c2a078

              SHA1

              c03deff1a4d16f3d8ababdbc46ee84434edf45da

              SHA256

              26e4c2040af6ee16a1794c86220f5249743ec9c9ceee933645331c1e54ebcca6

              SHA512

              9175e0bbedb2ec048225b90312342663079282c3d63bb9eaea91b39395c0c4ff726c8dfd6d9283b5eb291b63451cc9108228c83773cfaa2be7a7b02eea0c3a82

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

              Filesize

              651KB

              MD5

              331992e6a97ae280e37acb1f99c60825

              SHA1

              8fdaf9119a154fdffd00fd78129965389423c753

              SHA256

              18ebee9b4afdd751f547e2112fa4e286f4e0df7a6a3047a055a58241c8ca3591

              SHA512

              ae8ce2a6a9b6ffc6a5cee7fc17e382a439e26e2938188deea9e599e0d72d8acc89f8071902845fb8b8a13c70c25fe882affbb329bc7572d32175fdee4ca269df

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

              Filesize

              247KB

              MD5

              9b6f64d454ad8d3e91d6827a0262ca58

              SHA1

              95ad850c587f28410d390e5076ed7cbd89e19cc1

              SHA256

              3f645d2746e16d3444423afc3a11a5ef43c095164ffd117d59e820e0123cccdc

              SHA512

              5e2415bd0ee435056ca98ae62de2b3c8061abf403530d50dd46bc516d1dd120ca69e32cdc90a83e67fc4b0c55c8e6e98694d07dfe2620fa2e728e4c95e731be0

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

              Filesize

              247KB

              MD5

              9b6f64d454ad8d3e91d6827a0262ca58

              SHA1

              95ad850c587f28410d390e5076ed7cbd89e19cc1

              SHA256

              3f645d2746e16d3444423afc3a11a5ef43c095164ffd117d59e820e0123cccdc

              SHA512

              5e2415bd0ee435056ca98ae62de2b3c8061abf403530d50dd46bc516d1dd120ca69e32cdc90a83e67fc4b0c55c8e6e98694d07dfe2620fa2e728e4c95e731be0

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

              Filesize

              247KB

              MD5

              9b6f64d454ad8d3e91d6827a0262ca58

              SHA1

              95ad850c587f28410d390e5076ed7cbd89e19cc1

              SHA256

              3f645d2746e16d3444423afc3a11a5ef43c095164ffd117d59e820e0123cccdc

              SHA512

              5e2415bd0ee435056ca98ae62de2b3c8061abf403530d50dd46bc516d1dd120ca69e32cdc90a83e67fc4b0c55c8e6e98694d07dfe2620fa2e728e4c95e731be0

            • memory/224-61-0x0000000006310000-0x000000000631A000-memory.dmp

              Filesize

              40KB

            • memory/224-62-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/224-59-0x0000000005EA0000-0x0000000005F32000-memory.dmp

              Filesize

              584KB

            • memory/224-55-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/224-51-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1652-1-0x00000000002F0000-0x0000000000440000-memory.dmp

              Filesize

              1.3MB

            • memory/1652-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1652-5-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

              Filesize

              64KB

            • memory/1652-2-0x0000000005270000-0x0000000005814000-memory.dmp

              Filesize

              5.6MB

            • memory/1652-3-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

              Filesize

              64KB

            • memory/1652-6-0x00000000050B0000-0x0000000005210000-memory.dmp

              Filesize

              1.4MB

            • memory/1652-39-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/1652-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2276-32-0x00000000004A0000-0x0000000000542000-memory.dmp

              Filesize

              648KB

            • memory/2276-45-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2276-50-0x00000000057B0000-0x00000000057DC000-memory.dmp

              Filesize

              176KB

            • memory/2276-56-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2276-36-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2700-9-0x0000000002F80000-0x0000000002F88000-memory.dmp

              Filesize

              32KB

            • memory/2700-8-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2700-7-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB

            • memory/2700-37-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/2844-67-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/3704-49-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/3704-60-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4344-40-0x00000000055D0000-0x00000000055E0000-memory.dmp

              Filesize

              64KB

            • memory/4344-34-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4344-33-0x0000000000BA0000-0x0000000000BE4000-memory.dmp

              Filesize

              272KB

            • memory/4344-43-0x00000000055E0000-0x0000000005646000-memory.dmp

              Filesize

              408KB

            • memory/4344-63-0x0000000007010000-0x0000000007060000-memory.dmp

              Filesize

              320KB

            • memory/4344-64-0x0000000007100000-0x000000000719C000-memory.dmp

              Filesize

              624KB

            • memory/4344-44-0x0000000075310000-0x0000000075AC0000-memory.dmp

              Filesize

              7.7MB

            • memory/4344-46-0x00000000055D0000-0x00000000055E0000-memory.dmp

              Filesize

              64KB