Overview

overview

10

Static

static

3

jaffacakes...en.exe

windows10-2004-x64

10

jaffacakes...en.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/10/2026, 00:36

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General

  • Target
    jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
  • Size 761KB
  • Sample261019-aycejsdc79
  • SHA256 1bf3bb3c29abaae275a02f9a2432d57a736ef1f486cce273fd05408146695424
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionnanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • sslmms.theworkpc.com:9030

  • googkel.casacam.net:9030

Mutex

  • a3623c2a-b7e7-4f71-a561-41d45fa8a576

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    googkel.casacam.net

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2019-05-25T13:20:24.886469336Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9030

  • default_group

    jadid

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    a3623c2a-b7e7-4f71-a561-41d45fa8a576

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sslmms.theworkpc.com

  • primary_dns_server

  • request_elevation

    false

  • restart_delay

    4997

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    4997

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 3 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

    defense_evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • NTFS ADS 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe:Zone.Identifier"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
      C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC0F5.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4296
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC153.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1328
  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe:Zone.Identifier"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:3736
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
      C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3972
  • C:\Program Files (x86)\LAN Host\lanhost.exe
    "C:\Program Files (x86)\LAN Host\lanhost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C type nul > "C:\Program Files (x86)\LAN Host\lanhost.exe:Zone.Identifier"
      2⤵
      • Drops file in Program Files directory
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:4516
    • C:\Program Files (x86)\LAN Host\lanhost.exe
      "C:\Program Files (x86)\LAN Host\lanhost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3724

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Windows Command Shell

        1
        T1059.003

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Defense Evasion

        Indicator Removal

        1
        T1070

        File Deletion

        1
        T1070.004

        Modify Registry

        1
        T1112

        Subvert Trust Controls

        1
        T1553

        SIP and Trust Provider Hijacking

        1
        T1553.003

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        System Network Configuration Discovery

        1
        T1016

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe.log
        • Size 1KB
        • SHA256 14c113c97dda39846fcf4c5cfb596f46643e1859d32b857acdf6a87e48a8c154
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
        • Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.exe
        • Size 761KB
        • SHA256 1bf3bb3c29abaae275a02f9a2432d57a736ef1f486cce273fd05408146695424
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tmpC0F5.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmpC0F5.tmp
        • Size 1KB
        • SHA256 a94806a49c039ac93e1e1645ac24450e9c54402151f8e5b8e11d802a41793268
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tmpC153.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmpC153.tmp
        • Size 1KB
        • SHA256 287f7b4372926ff59bb9a14bdfc00ad63f92af8efdb2e14f6f6baf31878fd44e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1992-10-0x0000000006320000-0x00000000063BC000-memory.dmp
        Download

        memory/1992-1-0x0000000004870000-0x0000000004892000-memory.dmp
        Download

        memory/1992-6-0x0000000004C90000-0x0000000004E52000-memory.dmp
        Download

        memory/1992-7-0x0000000004C10000-0x0000000004C20000-memory.dmp
        Download

        memory/1992-8-0x0000000005D70000-0x0000000006314000-memory.dmp
        Download

        memory/1992-9-0x0000000004C10000-0x0000000004C20000-memory.dmp
        Download

        memory/1992-0-0x0000000000080000-0x00000000000FA000-memory.dmp
        Download

        memory/1992-4-0x00000000048E0000-0x0000000004902000-memory.dmp
        Download

        memory/1992-3-0x0000000004940000-0x00000000049D2000-memory.dmp
        Download

        memory/1992-5-0x0000000004A50000-0x0000000004AB6000-memory.dmp
        Download

        memory/1992-2-0x0000000004850000-0x0000000004874000-memory.dmp
        Download

        memory/2364-29-0x0000000004A30000-0x0000000004A54000-memory.dmp
        Download

        memory/5116-16-0x0000000004D00000-0x0000000004D0A000-memory.dmp
        Download

        memory/5116-15-0x0000000004D50000-0x0000000004D60000-memory.dmp
        Download

        memory/5116-14-0x0000000000820000-0x0000000000858000-memory.dmp
        Download

        memory/5116-25-0x0000000004D60000-0x0000000004D6A000-memory.dmp
        Download

        memory/5116-26-0x0000000005E60000-0x0000000005E7E000-memory.dmp
        Download

        memory/5116-27-0x0000000004F30000-0x0000000004F3A000-memory.dmp
        Download

        memory/5116-32-0x0000000004D50000-0x0000000004D60000-memory.dmp
        Download