Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 11:16

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

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 4 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 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 62 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⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c_JC.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2508
      • 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:1608
    • 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:2504
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:596
        • 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:1044
          • 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:2128
        • 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:108
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2900
          • 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:2908
            • 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:2116
          • 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:2928
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {59EE76AA-6A8C-4EBB-A063-E1A541422FB0} S-1-5-21-607259312-1573743425-2763420908-1000:NGTQGRML\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              C:\Users\Admin\AppData\Roaming\avast\avast.exe
              2⤵
              • Executes dropped EXE
              PID:2140

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          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\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\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

          • \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\kingshakes.exe

            Filesize

            245KB

            MD5

            0838ea6ef01e3577d1bfb57b5980c319

            SHA1

            35920bea7d7c0476c814aca6db53a284621ddeec

            SHA256

            05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

            SHA512

            381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

          • memory/1608-37-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/1608-45-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/1608-42-0x0000000004BD0000-0x0000000004C10000-memory.dmp

            Filesize

            256KB

          • memory/1608-46-0x0000000004BD0000-0x0000000004C10000-memory.dmp

            Filesize

            256KB

          • memory/1608-36-0x0000000000B80000-0x0000000000BC4000-memory.dmp

            Filesize

            272KB

          • memory/2140-75-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2140-74-0x0000000000840000-0x00000000008E2000-memory.dmp

            Filesize

            648KB

          • memory/2240-1-0x0000000000D90000-0x0000000000EDE000-memory.dmp

            Filesize

            1.3MB

          • memory/2240-2-0x0000000000540000-0x0000000000580000-memory.dmp

            Filesize

            256KB

          • memory/2240-0-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2240-39-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2240-4-0x0000000000540000-0x0000000000580000-memory.dmp

            Filesize

            256KB

          • memory/2240-3-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2240-5-0x0000000004E60000-0x0000000004FC0000-memory.dmp

            Filesize

            1.4MB

          • memory/2504-66-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2504-47-0x00000000004B0000-0x00000000004DC000-memory.dmp

            Filesize

            176KB

          • memory/2504-29-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2504-30-0x0000000004310000-0x0000000004350000-memory.dmp

            Filesize

            256KB

          • memory/2504-28-0x00000000002A0000-0x0000000000342000-memory.dmp

            Filesize

            648KB

          • memory/2504-43-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2504-44-0x0000000004310000-0x0000000004350000-memory.dmp

            Filesize

            256KB

          • memory/2508-17-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-38-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2508-19-0x00000000001F0000-0x00000000001F8000-memory.dmp

            Filesize

            32KB

          • memory/2508-18-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2508-6-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-7-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-8-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-9-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2508-12-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2508-15-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/2780-62-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-65-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-58-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-57-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2780-67-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2780-70-0x0000000004650000-0x0000000004690000-memory.dmp

            Filesize

            256KB

          • memory/2780-71-0x0000000074C70000-0x000000007535E000-memory.dmp

            Filesize

            6.9MB

          • memory/2780-50-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-51-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-52-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB

          • memory/2780-49-0x00000000000C0000-0x00000000000D8000-memory.dmp

            Filesize

            96KB