nabrettereader_bat_2019-07-08_15_30.txt

* MalFamily: "Nanocore"

* MalScore: 10.0

* File Name: "nabrettereader.bat"
* File Size: 1424388
* File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
* SHA256: "a5db4f73faab920b6adfe5443e795c4561aae5e8c01e70e12e343f7706ef4834"
* MD5: "0d1aae1c0074da23af1ed3db5323d54b"
* SHA1: "797a157d1a989a30eef7337c5740f5511e05c51f"
* SHA512: "c09148cb5d91d387ae48b8b13cc327a5e06944222cb870e2a1bb8b15f1e5f03ca7221ea559972a3a2f58a7175c5a60b556391de84b74f891c975f2e68083bb4c"
* CRC32: "16A71E4C"
* SSDEEP: "24576:qAHnh+eWsN3skA4RV1Hom2KXMmHaxBFCTMN6kphzvhfyAmiuTH8DAlpc30r5:9h+ZkldoPK8YaxHxPphzvhf7FuDF"

* Process Execution:
    "nabrettereader.bat",
    "RegSvcs.exe"


* Executed Commands:

* Signatures Detected:

        "Description": "Attempts to connect to a dead IP:Port (2 unique times)",
        "Details":

                "IP": "127.0.0.1:9017"


                "IP": "23.105.131.135:9017"




        "Description": "Creates RWX memory",
        "Details":


        "Description": "A process attempted to delay the analysis task.",
        "Details":

                "Process": "RegSvcs.exe tried to sleep 751 seconds, actually delayed analysis time by 0 seconds"




        "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
        "Details":

                "ioc": "v2.0.50727"




        "Description": "Expresses interest in specific running processes",
        "Details":

                "process": "RegSvcs.exe"


                "process": "svchost.exe"




        "Description": "Reads data out of its own binary image",
        "Details":

                "self_read": "process: nabrettereader.bat, pid: 696, offset: 0x00000000, length: 0x0015bc04"


                "self_read": "process: RegSvcs.exe, pid: 2328, offset: 0x00000000, length: 0x00001000"


                "self_read": "process: RegSvcs.exe, pid: 2328, offset: 0x00000080, length: 0x00000200"


                "self_read": "process: RegSvcs.exe, pid: 2328, offset: 0x00000178, length: 0x00000200"


                "self_read": "process: RegSvcs.exe, pid: 2328, offset: 0x00005b20, length: 0x00000200"


                "self_read": "process: RegSvcs.exe, pid: 2328, offset: 0x00005b3c, length: 0x00000200"




        "Description": "The binary likely contains encrypted or compressed data.",
        "Details":

                "section": "name: .rsrc, entropy: 7.98, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00091600, virtual_size: 0x00091444"




        "Description": "Executed a process and injected code into it, probably while unpacking",
        "Details":

                "Injection": "nabrettereader.bat(696) -> RegSvcs.exe(2328)"




        "Description": "Attempts to remove evidence of file being downloaded from the Internet",
        "Details":

                "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegSvcs.exe:Zone.Identifier"




        "Description": "Installs itself for autorun at Windows startup",
        "Details":

                "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\NvMnRMWRDi"


                "data": "C:\\Users\\Public\\NvMnRMWRDi.vbs"


                "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"


                "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"




        "Description": "Exhibits behavior characteristic of Nanocore RAT",
        "Details":


        "Description": "Creates a slightly modified copy of itself",
        "Details":

                "file": "C:\\Users\\user\\nabrettereader84\\nabrettereader.bat"


                "percent_match": 100




        "Description": "Collects information to fingerprint the system",
        "Details":


        "Description": "Anomalous binary characteristics",
        "Details":

                "anomaly": "Actual checksum does not match that reported in PE header"




        "Description": "Created network traffic indicative of malicious activity",
        "Details":

                "signature": "ET TROJAN Possible NanoCore C2 60B"





* Started Service:

* Mutexes:
    "Global\\CLR_CASOFF_MUTEX",
    "Global\\e7123599-2783-4933-9de0-39262896c227",
    "Global\\.net clr networking"


* Modified Files:
    "C:\\Users\\user\\nabrettereader84\\nabrettereader.bat",
    "C:\\Users\\Public\\NvMnRMWRDi.vbs",
    "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
    "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"


* Deleted Files:
    "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
    "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
    "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegSvcs.exe:Zone.Identifier"


* Modified Registry Keys:
    "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\NvMnRMWRDi",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"


* Deleted Registry Keys:

* DNS Communications:

        "type": "A",
        "request": "mayor101.ddns.net",
        "answers":

                "data": "23.105.131.135",
                "type": "A"





* Domains:

        "ip": "23.105.131.135",
        "domain": "mayor101.ddns.net"



* Network Communication - ICMP:

* Network Communication - HTTP:

* Network Communication - SMTP:

* Network Communication - Hosts:

* Network Communication - IRC: