Analysis

  • max time kernel
    79s
  • max time network
    118s
  • 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 16:51

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 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\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1196
      • 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:736
    • 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:2280
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:492
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:4108
        • 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:3712
          • 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:1060
        • 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:4908
        • 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:4648
          • 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:3940
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:4552
          • 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:4972
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            PID:3896

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8d9a8f9de34a75aeba8164f658881f4c142690b58c8cf30486f18574a8e14185_JC.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

            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\nice.exe

            Filesize

            167KB

            MD5

            67116bbc2d6f3a2212ff78d9c96ddb15

            SHA1

            538c8f71a6acd1331d1303076e19deaf2d85ea24

            SHA256

            206f4bcb7d00ec25dc741dce65ec1f316ced92c1eb739a6326a8dae13524f9e1

            SHA512

            2e81170a3e14e8da89c370cf9916feaf2fe118bac6c91f74b4d332cc3855103053c463120c02b3db5c56ef88b89f96efa1a5cea9ce256bc622ec4ad66118c0b8

          • memory/492-70-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/492-63-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB

          • memory/492-65-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/552-2-0x0000000005970000-0x0000000005F14000-memory.dmp

            Filesize

            5.6MB

          • memory/552-4-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/552-1-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/552-0-0x0000000000820000-0x0000000000948000-memory.dmp

            Filesize

            1.2MB

          • memory/552-40-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/552-5-0x00000000053B0000-0x00000000053C0000-memory.dmp

            Filesize

            64KB

          • memory/552-3-0x00000000053B0000-0x00000000053C0000-memory.dmp

            Filesize

            64KB

          • memory/552-6-0x00000000055C0000-0x00000000056F8000-memory.dmp

            Filesize

            1.2MB

          • memory/736-39-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/736-61-0x0000000005240000-0x0000000005250000-memory.dmp

            Filesize

            64KB

          • memory/736-41-0x0000000005240000-0x0000000005250000-memory.dmp

            Filesize

            64KB

          • memory/736-42-0x0000000005120000-0x0000000005186000-memory.dmp

            Filesize

            408KB

          • memory/736-45-0x00000000069C0000-0x0000000006A10000-memory.dmp

            Filesize

            320KB

          • memory/736-46-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

            Filesize

            1.8MB

          • memory/736-56-0x0000000006AB0000-0x0000000006B4C000-memory.dmp

            Filesize

            624KB

          • memory/736-57-0x0000000006E50000-0x0000000006EE2000-memory.dmp

            Filesize

            584KB

          • memory/736-58-0x0000000006BA0000-0x0000000006BAA000-memory.dmp

            Filesize

            40KB

          • memory/736-38-0x0000000000850000-0x0000000000880000-memory.dmp

            Filesize

            192KB

          • memory/736-60-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1196-9-0x0000000001870000-0x0000000001878000-memory.dmp

            Filesize

            32KB

          • memory/1196-37-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1196-7-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/1196-10-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2280-62-0x00000000051D0000-0x00000000051FC000-memory.dmp

            Filesize

            176KB

          • memory/2280-59-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2280-36-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2280-67-0x00000000748F0000-0x00000000750A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2280-33-0x0000000000350000-0x00000000003F2000-memory.dmp

            Filesize

            648KB