Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2023 13:51

General

  • Target

    docyo20230925.exe

  • Size

    821KB

  • MD5

    4eac3586289f9081f51432e739f3b240

  • SHA1

    066a458315c10ba6aa827958ec79627007daccf6

  • SHA256

    77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

  • SHA512

    bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

  • SSDEEP

    24576:1X5KAkazacwCw8RdFK0W3fDkqgy9nEsY:1X5KEacxdRLI3rkqpNQ

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.product-secured.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.product-secured.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 6 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2496
    • 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:2724
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:1908
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:2580
        • 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:2024
          • 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:2828
        • 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:324
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:1780
          • 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:2636
            • 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:2688
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docyo20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:2804
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {1D083228-7059-4EFF-82ED-507AAD3B9061} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:2508
            • 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:2608
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                "C:\Users\Admin\AppData\Roaming\svchost\svchost.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:2824
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:1464
                • 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:936
                    • 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:3032
                  • 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:1496
                  • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    PID:2840
                    • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                      "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:2424
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                      3⤵
                        PID:400
                      • 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:1048
                          • 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:1412
                        • 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:1148

                      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\svchost\svchost.exe

                        Filesize

                        821KB

                        MD5

                        4eac3586289f9081f51432e739f3b240

                        SHA1

                        066a458315c10ba6aa827958ec79627007daccf6

                        SHA256

                        77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

                        SHA512

                        bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

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

                        Filesize

                        821KB

                        MD5

                        4eac3586289f9081f51432e739f3b240

                        SHA1

                        066a458315c10ba6aa827958ec79627007daccf6

                        SHA256

                        77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

                        SHA512

                        bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

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

                        Filesize

                        821KB

                        MD5

                        4eac3586289f9081f51432e739f3b240

                        SHA1

                        066a458315c10ba6aa827958ec79627007daccf6

                        SHA256

                        77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

                        SHA512

                        bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

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

                        Filesize

                        821KB

                        MD5

                        4eac3586289f9081f51432e739f3b240

                        SHA1

                        066a458315c10ba6aa827958ec79627007daccf6

                        SHA256

                        77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

                        SHA512

                        bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

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

                        Filesize

                        821KB

                        MD5

                        4eac3586289f9081f51432e739f3b240

                        SHA1

                        066a458315c10ba6aa827958ec79627007daccf6

                        SHA256

                        77fc980c2c8f9412e843d83cb4b808e7dfc9b459aaa7f1936b7d93bc7357bfbb

                        SHA512

                        bf3fff5ab21cd54a0774ba0b1a7d1a5f42b1f542888ac74d3f79d23df6fe535ea88ca4a6d74d3fc94caf01a371f679551436ecad233521f5fbedde42551b7ca8

                      • \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

                      • memory/1908-65-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-71-0x0000000004830000-0x0000000004870000-memory.dmp

                        Filesize

                        256KB

                      • memory/1908-76-0x0000000004830000-0x0000000004870000-memory.dmp

                        Filesize

                        256KB

                      • memory/1908-75-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1908-67-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1908-63-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-49-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-47-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/1908-45-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-43-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-44-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/1908-42-0x0000000000400000-0x0000000000418000-memory.dmp

                        Filesize

                        96KB

                      • memory/2496-9-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-17-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-34-0x0000000004B00000-0x0000000004B40000-memory.dmp

                        Filesize

                        256KB

                      • memory/2496-8-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-7-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-18-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2496-15-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-39-0x0000000004B00000-0x0000000004B40000-memory.dmp

                        Filesize

                        256KB

                      • memory/2496-12-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-6-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/2496-31-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2496-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2496-27-0x0000000004B00000-0x0000000004B40000-memory.dmp

                        Filesize

                        256KB

                      • memory/2608-74-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2608-37-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2608-55-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2608-38-0x0000000001270000-0x0000000001342000-memory.dmp

                        Filesize

                        840KB

                      • memory/2724-40-0x0000000000360000-0x000000000038C000-memory.dmp

                        Filesize

                        176KB

                      • memory/2724-26-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2724-52-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2724-33-0x0000000004A70000-0x0000000004AB0000-memory.dmp

                        Filesize

                        256KB

                      • memory/2724-32-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2724-25-0x0000000000FA0000-0x0000000001042000-memory.dmp

                        Filesize

                        648KB

                      • memory/2824-73-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2824-77-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2824-82-0x0000000004B20000-0x0000000004B60000-memory.dmp

                        Filesize

                        256KB

                      • memory/2824-79-0x0000000004B20000-0x0000000004B60000-memory.dmp

                        Filesize

                        256KB

                      • memory/2824-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2824-78-0x0000000004B20000-0x0000000004B60000-memory.dmp

                        Filesize

                        256KB

                      • memory/2840-81-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2840-83-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2840-97-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/3044-5-0x0000000004DB0000-0x0000000004E90000-memory.dmp

                        Filesize

                        896KB

                      • memory/3044-3-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/3044-4-0x00000000004C0000-0x0000000000500000-memory.dmp

                        Filesize

                        256KB

                      • memory/3044-0-0x00000000001F0000-0x00000000002C2000-memory.dmp

                        Filesize

                        840KB

                      • memory/3044-2-0x00000000004C0000-0x0000000000500000-memory.dmp

                        Filesize

                        256KB

                      • memory/3044-28-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/3044-1-0x0000000074310000-0x00000000749FE000-memory.dmp

                        Filesize

                        6.9MB