Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2025, 04:36

General

  • Target

    bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe

  • Size

    685KB

  • MD5

    09bca025504d51921fea0c27fed0f570

  • SHA1

    d07867cf868e70188478b98c3ee2d176f63a8153

  • SHA256

    bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598

  • SHA512

    8f1acb9ef6a1a60335949f1deab733ca43baaa53c73370fbdf4280deedd16eaf9a7411e09a152c0af59c6312a7a93c71b20ea30a3b03cf28212091783f5e533a

  • SSDEEP

    12288:o383le9ciUcsw99WWoQCIgeHPbH/jTlWv+AURMbHR9VlQPrVYV:a3Wcp9dtCI7HPL3EGfMhlCK

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

elroithegodofnsppd.duckdns.org:43366

elroithegodofnsppd.ddnsfree.com:43366

Mutex

4991469e-2d84-4048-8aed-20a53304961e

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    elroithegodofnsppd.ddnsfree.com

  • backup_dns_server

  • buffer_size

    65538

  • build_time

    2024-12-06T15:16:37.862063536Z

  • 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

    43366

  • default_group

    EROI MY GOD

  • enable_debug_mode

    true

  • gc_threshold

    1.0485772e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0485772e+07

  • mutex

    4991469e-2d84-4048-8aed-20a53304961e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    elroithegodofnsppd.duckdns.org

  • primary_dns_server

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8009

Signatures

  • NanoCore

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

  • Nanocore family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
    "C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eVWFaJcLOjFwb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3968
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVWFaJcLOjFwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDAB0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4628
    • C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
      "C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SAAS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDFE0.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1676
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SAAS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE2FE.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    ea3e1a0d1217df71a4e3de178b57a3f1

    SHA1

    c32f0becb9f8f4f3cbe97cb6f228ed7a94af5cce

    SHA256

    ec70e5f697e5a76159b92661557b1d21a1792ed9eb70d1e4dfed03ef4698f5b1

    SHA512

    fa78a222d84779371cfec1b4e64f07bd4f7f378bdcfd5a73c8d779c8e0ea55adde7da8faae331de1f7423869038a99f46f139ccfbb829318cf8f257401a390c1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e3te0ac4.nd5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDAB0.tmp

    Filesize

    1KB

    MD5

    9bcc10b2102b0a5082fa3a3e328012c7

    SHA1

    06fd1b3c274d9f693c70cbe1c37709660c5ef96d

    SHA256

    666e3e0c948f4fd361978fcf683bcc4289c454fed00ad92e041e3e8fa113c373

    SHA512

    447161f9fa6cb44257266c692bf69774d4f52894ea5b23f83b1769694395fe187ddd9627ca891a400fc2d77cbeb9abdfbf4c31c3d650536a0598da1ae5137c80

  • C:\Users\Admin\AppData\Local\Temp\tmpDFE0.tmp

    Filesize

    1KB

    MD5

    4470d22aa72351f1f9cd955ef2212657

    SHA1

    85a717ff20895d58cffb775bae162d87fd8da5fa

    SHA256

    3140ae583b3b3eefdaf66e7edb59109078449693c724b211f0445edb70316003

    SHA512

    36202b63c6821e32634036ea98810f98762f122042a8fda60b75230530717fdb1fe163fabc4fe69cba5b1375dcaa1ae553267953faf787f18582cb6b3d736d89

  • C:\Users\Admin\AppData\Local\Temp\tmpE2FE.tmp

    Filesize

    1KB

    MD5

    b5ee6d4d0a6aab49e12d44d82afc5157

    SHA1

    9fbe67452ca81b59802441955020086c3d163b2c

    SHA256

    f769b73883f96cefd35c438e8bdbe12c10a87ce11e09e4084474a85f6e4f8a10

    SHA512

    c4071b68c40aedd04b48bcbf4c4256e8b746474c6d4cfe680a4c0bcd61c9c4daa45d5d1e2fc8df655feba77de485258d06a81ac1a9144ed37ab9c80fbce09754

  • memory/2176-74-0x0000000007790000-0x00000000077AA000-memory.dmp

    Filesize

    104KB

  • memory/2176-85-0x0000000007800000-0x000000000780A000-memory.dmp

    Filesize

    40KB

  • memory/2176-94-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-91-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

    Filesize

    32KB

  • memory/2176-90-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

    Filesize

    104KB

  • memory/2176-15-0x0000000004ED0000-0x0000000004F06000-memory.dmp

    Filesize

    216KB

  • memory/2176-17-0x0000000005690000-0x0000000005CB8000-memory.dmp

    Filesize

    6.2MB

  • memory/2176-16-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-18-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-19-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-23-0x0000000005D30000-0x0000000005D96000-memory.dmp

    Filesize

    408KB

  • memory/2176-89-0x00000000079D0000-0x00000000079E4000-memory.dmp

    Filesize

    80KB

  • memory/2176-24-0x0000000005E50000-0x0000000005EB6000-memory.dmp

    Filesize

    408KB

  • memory/2176-20-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/2176-88-0x00000000079C0000-0x00000000079CE000-memory.dmp

    Filesize

    56KB

  • memory/2176-87-0x0000000007990000-0x00000000079A1000-memory.dmp

    Filesize

    68KB

  • memory/2176-26-0x0000000005EC0000-0x0000000006214000-memory.dmp

    Filesize

    3.3MB

  • memory/2176-86-0x0000000007A10000-0x0000000007AA6000-memory.dmp

    Filesize

    600KB

  • memory/2176-73-0x0000000007DE0000-0x000000000845A000-memory.dmp

    Filesize

    6.5MB

  • memory/2176-58-0x0000000007630000-0x0000000007662000-memory.dmp

    Filesize

    200KB

  • memory/2176-48-0x0000000006470000-0x000000000648E000-memory.dmp

    Filesize

    120KB

  • memory/2176-49-0x00000000069D0000-0x0000000006A1C000-memory.dmp

    Filesize

    304KB

  • memory/2176-59-0x0000000074FF0000-0x000000007503C000-memory.dmp

    Filesize

    304KB

  • memory/2176-69-0x0000000006A40000-0x0000000006A5E000-memory.dmp

    Filesize

    120KB

  • memory/2176-72-0x0000000007670000-0x0000000007713000-memory.dmp

    Filesize

    652KB

  • memory/2372-57-0x0000000005520000-0x000000000552A000-memory.dmp

    Filesize

    40KB

  • memory/2372-70-0x00000000061A0000-0x00000000061BE000-memory.dmp

    Filesize

    120KB

  • memory/2372-71-0x00000000061D0000-0x00000000061DA000-memory.dmp

    Filesize

    40KB

  • memory/2372-45-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3968-25-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-75-0x0000000074FF0000-0x000000007503C000-memory.dmp

    Filesize

    304KB

  • memory/3968-98-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-21-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-5-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-7-0x0000000006910000-0x0000000006928000-memory.dmp

    Filesize

    96KB

  • memory/4348-3-0x0000000005190000-0x0000000005222000-memory.dmp

    Filesize

    584KB

  • memory/4348-47-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-6-0x0000000005330000-0x000000000533A000-memory.dmp

    Filesize

    40KB

  • memory/4348-4-0x0000000005370000-0x000000000540C000-memory.dmp

    Filesize

    624KB

  • memory/4348-10-0x00000000065E0000-0x000000000665E000-memory.dmp

    Filesize

    504KB

  • memory/4348-9-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-8-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/4348-2-0x0000000005660000-0x0000000005C04000-memory.dmp

    Filesize

    5.6MB

  • memory/4348-1-0x0000000000700000-0x00000000007B2000-memory.dmp

    Filesize

    712KB

  • memory/4348-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB