Analysis

  • max time kernel
    135s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 11:17

General

  • Target

    8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe

  • Size

    1.1MB

  • MD5

    010ef94907f5876e46be0ed87689fde9

  • SHA1

    7c142550561efe5f513d269f134a6d15ce28d24c

  • SHA256

    8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185

  • SHA512

    d14f04995edf513e0540e2cbf7657da25e5bd4d1ad602d72ccf13d84dc938c2950e6aae96329fc50ce14cb7120d79ab05539c0d917ae3a82bb97f509e65b6ae9

  • SSDEEP

    24576:lurGpIFO+xYcXvbNqzuxHozoi0a9SwY1S4o0DoNy0p:lu0IPfbNq6xmoi8w+S4B0p

Malware Config

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 5 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 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 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.

  • 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\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Roaming\nice.exe
        "C:\Users\Admin\AppData\Roaming\nice.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:2240
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:1536
      • 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:2616
        • 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:2340
      • 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:1504
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:1472
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:1836
          • 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:1828
            • 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:2864
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:1968
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {08A13ACE-0C59-433F-BC90-45162F01887F} S-1-5-21-3513876443-2771975297-1923446376-1000:GPFFWLPI\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:528
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:388
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                3⤵
                • Executes dropped EXE
                PID:2148
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:2020
                • 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
                  3⤵
                    PID:1484
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                      4⤵
                      • Creates scheduled task(s)
                      PID:1700
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    3⤵
                      PID:812
                  • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1832

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • 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\nice.exe

                  Filesize

                  167KB

                  MD5

                  67116bbc2d6f3a2212ff78d9c96ddb15

                  SHA1

                  538c8f71a6acd1331d1303076e19deaf2d85ea24

                  SHA256

                  206f4bcb7d00ec25dc741dce65ec1f316ced92c1eb739a6326a8dae13524f9e1

                  SHA512

                  2e81170a3e14e8da89c370cf9916feaf2fe118bac6c91f74b4d332cc3855103053c463120c02b3db5c56ef88b89f96efa1a5cea9ce256bc622ec4ad66118c0b8

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

                  Filesize

                  167KB

                  MD5

                  67116bbc2d6f3a2212ff78d9c96ddb15

                  SHA1

                  538c8f71a6acd1331d1303076e19deaf2d85ea24

                  SHA256

                  206f4bcb7d00ec25dc741dce65ec1f316ced92c1eb739a6326a8dae13524f9e1

                  SHA512

                  2e81170a3e14e8da89c370cf9916feaf2fe118bac6c91f74b4d332cc3855103053c463120c02b3db5c56ef88b89f96efa1a5cea9ce256bc622ec4ad66118c0b8

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

                  Filesize

                  1.1MB

                  MD5

                  010ef94907f5876e46be0ed87689fde9

                  SHA1

                  7c142550561efe5f513d269f134a6d15ce28d24c

                  SHA256

                  8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185

                  SHA512

                  d14f04995edf513e0540e2cbf7657da25e5bd4d1ad602d72ccf13d84dc938c2950e6aae96329fc50ce14cb7120d79ab05539c0d917ae3a82bb97f509e65b6ae9

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

                  Filesize

                  1.1MB

                  MD5

                  010ef94907f5876e46be0ed87689fde9

                  SHA1

                  7c142550561efe5f513d269f134a6d15ce28d24c

                  SHA256

                  8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185

                  SHA512

                  d14f04995edf513e0540e2cbf7657da25e5bd4d1ad602d72ccf13d84dc938c2950e6aae96329fc50ce14cb7120d79ab05539c0d917ae3a82bb97f509e65b6ae9

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

                  Filesize

                  1.1MB

                  MD5

                  010ef94907f5876e46be0ed87689fde9

                  SHA1

                  7c142550561efe5f513d269f134a6d15ce28d24c

                  SHA256

                  8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185

                  SHA512

                  d14f04995edf513e0540e2cbf7657da25e5bd4d1ad602d72ccf13d84dc938c2950e6aae96329fc50ce14cb7120d79ab05539c0d917ae3a82bb97f509e65b6ae9

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

                  Filesize

                  1.1MB

                  MD5

                  010ef94907f5876e46be0ed87689fde9

                  SHA1

                  7c142550561efe5f513d269f134a6d15ce28d24c

                  SHA256

                  8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185

                  SHA512

                  d14f04995edf513e0540e2cbf7657da25e5bd4d1ad602d72ccf13d84dc938c2950e6aae96329fc50ce14cb7120d79ab05539c0d917ae3a82bb97f509e65b6ae9

                • \Users\Admin\AppData\Local\Temp\svchost.exe

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • \Users\Admin\AppData\Local\Temp\svchost.exe

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • \Users\Admin\AppData\Roaming\nice.exe

                  Filesize

                  167KB

                  MD5

                  67116bbc2d6f3a2212ff78d9c96ddb15

                  SHA1

                  538c8f71a6acd1331d1303076e19deaf2d85ea24

                  SHA256

                  206f4bcb7d00ec25dc741dce65ec1f316ced92c1eb739a6326a8dae13524f9e1

                  SHA512

                  2e81170a3e14e8da89c370cf9916feaf2fe118bac6c91f74b4d332cc3855103053c463120c02b3db5c56ef88b89f96efa1a5cea9ce256bc622ec4ad66118c0b8

                • memory/388-58-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/388-57-0x0000000002050000-0x0000000002090000-memory.dmp

                  Filesize

                  256KB

                • memory/388-56-0x0000000000060000-0x0000000000188000-memory.dmp

                  Filesize

                  1.2MB

                • memory/388-55-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/388-59-0x0000000002050000-0x0000000002090000-memory.dmp

                  Filesize

                  256KB

                • memory/388-94-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1536-73-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-79-0x0000000000F10000-0x0000000000F50000-memory.dmp

                  Filesize

                  256KB

                • memory/1536-81-0x0000000000F10000-0x0000000000F50000-memory.dmp

                  Filesize

                  256KB

                • memory/1536-80-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1536-76-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1536-75-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-69-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-65-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-66-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1536-62-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1536-64-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1832-99-0x0000000000DD0000-0x0000000000EF8000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1832-102-0x0000000000410000-0x0000000000450000-memory.dmp

                  Filesize

                  256KB

                • memory/1832-101-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1832-100-0x0000000000410000-0x0000000000450000-memory.dmp

                  Filesize

                  256KB

                • memory/1832-98-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2064-2-0x0000000000300000-0x0000000000340000-memory.dmp

                  Filesize

                  256KB

                • memory/2064-43-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2064-1-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2064-0-0x0000000000F00000-0x0000000001028000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2064-4-0x0000000000300000-0x0000000000340000-memory.dmp

                  Filesize

                  256KB

                • memory/2064-5-0x0000000005010000-0x0000000005148000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2064-3-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2148-95-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2148-86-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2148-96-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2240-50-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2240-40-0x00000000045A0000-0x00000000045E0000-memory.dmp

                  Filesize

                  256KB

                • memory/2240-52-0x00000000045A0000-0x00000000045E0000-memory.dmp

                  Filesize

                  256KB

                • memory/2240-29-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2240-31-0x0000000000B50000-0x0000000000B80000-memory.dmp

                  Filesize

                  192KB

                • memory/2640-39-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2640-51-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2640-60-0x0000000000450000-0x000000000047C000-memory.dmp

                  Filesize

                  176KB

                • memory/2640-37-0x00000000011B0000-0x0000000001252000-memory.dmp

                  Filesize

                  648KB

                • memory/2640-72-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2780-20-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2780-8-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-21-0x0000000000320000-0x0000000000328000-memory.dmp

                  Filesize

                  32KB

                • memory/2780-6-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-38-0x00000000744E0000-0x0000000074BCE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2780-7-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-10-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2780-14-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-17-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2780-19-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB