Analysis

  • max time kernel
    149s
  • max time network
    146s
  • 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, 04:29

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 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 26 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:4916
    • 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:2764
    • 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:3544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVWFaJcLOjFwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3764
    • C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
      "C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"
      2⤵
        PID:4852
      • 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:2272
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "UDP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF9D1.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2932
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "UDP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFD6C.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      c245842bf07d3e2d1ac36d96cbfbc58f

      SHA1

      37b9e339d359304e3cc8314f77da2c4bdc9a85ea

      SHA256

      3951314caffcff1aca6f6a90d8e1d90e842fd93df58d576b899fe9f8e3a5aa3c

      SHA512

      d8678abea603635edcea18ab0e85afd500a148b8954808400bd37636b3c98bbace07fd8be2945917426680191b011a03ad091f1bfabb9988ca8f0df3edcc4387

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wrty2vgm.tlq.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp

      Filesize

      1KB

      MD5

      d033f0e517819b05a548ea7a275b4837

      SHA1

      e787aba4902f9a729487adcf06cedd7aff0f63b4

      SHA256

      5877d8dd56ec4d7a4db65e66d352da1f2310109a1a9bc8af3cdd265c284dc927

      SHA512

      f6e8140adc32d9c3ab8399fd09fe6abc603e95fa446e277a29b9db7f025c9bc2d9e2a4bc7b10bbc62b5cba22f9a4cbe0fcb9f93409ebb038bef7901de2f5b549

    • C:\Users\Admin\AppData\Local\Temp\tmpF9D1.tmp

      Filesize

      1KB

      MD5

      4470d22aa72351f1f9cd955ef2212657

      SHA1

      85a717ff20895d58cffb775bae162d87fd8da5fa

      SHA256

      3140ae583b3b3eefdaf66e7edb59109078449693c724b211f0445edb70316003

      SHA512

      36202b63c6821e32634036ea98810f98762f122042a8fda60b75230530717fdb1fe163fabc4fe69cba5b1375dcaa1ae553267953faf787f18582cb6b3d736d89

    • C:\Users\Admin\AppData\Local\Temp\tmpFD6C.tmp

      Filesize

      1KB

      MD5

      179f6a368194b3d8490223f22126274b

      SHA1

      cc2997c7fde3cfe0dcf267bf3b6338a7e2ecf2d0

      SHA256

      cdfb59fb9dabcedf57f84d9b3ea596f6ce26f8c559b503b6980a42738cf2f4d8

      SHA512

      8b1c1b2a8db227db2e741171c29e4bfcaad2919665cde77eb5b4058b45fe7c78b46e2ef1bc5b896aa0e172219c4a43b647d68b62db39c8f51ac0ed159e4f042b

    • memory/2272-58-0x00000000050C0000-0x00000000050DE000-memory.dmp

      Filesize

      120KB

    • memory/2272-59-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

      Filesize

      40KB

    • memory/2272-57-0x0000000004F50000-0x0000000004F5A000-memory.dmp

      Filesize

      40KB

    • memory/2272-45-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2764-61-0x0000000074D80000-0x0000000074DCC000-memory.dmp

      Filesize

      304KB

    • memory/2764-21-0x0000000005480000-0x00000000054A2000-memory.dmp

      Filesize

      136KB

    • memory/2764-16-0x0000000005540000-0x0000000005B68000-memory.dmp

      Filesize

      6.2MB

    • memory/2764-17-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2764-18-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2764-98-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2764-91-0x0000000007980000-0x0000000007988000-memory.dmp

      Filesize

      32KB

    • memory/2764-23-0x0000000005BE0000-0x0000000005C46000-memory.dmp

      Filesize

      408KB

    • memory/2764-22-0x0000000005B70000-0x0000000005BD6000-memory.dmp

      Filesize

      408KB

    • memory/2764-33-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2764-87-0x0000000007860000-0x0000000007871000-memory.dmp

      Filesize

      68KB

    • memory/2764-60-0x0000000006910000-0x0000000006942000-memory.dmp

      Filesize

      200KB

    • memory/2764-34-0x0000000005CD0000-0x0000000006024000-memory.dmp

      Filesize

      3.3MB

    • memory/2764-15-0x0000000002A40000-0x0000000002A76000-memory.dmp

      Filesize

      216KB

    • memory/2764-85-0x00000000076D0000-0x00000000076DA000-memory.dmp

      Filesize

      40KB

    • memory/2764-83-0x0000000007CB0000-0x000000000832A000-memory.dmp

      Filesize

      6.5MB

    • memory/2764-52-0x00000000068C0000-0x000000000690C000-memory.dmp

      Filesize

      304KB

    • memory/2764-51-0x0000000006340000-0x000000000635E000-memory.dmp

      Filesize

      120KB

    • memory/2764-84-0x0000000007660000-0x000000000767A000-memory.dmp

      Filesize

      104KB

    • memory/2764-82-0x0000000007530000-0x00000000075D3000-memory.dmp

      Filesize

      652KB

    • memory/2764-80-0x0000000007500000-0x000000000751E000-memory.dmp

      Filesize

      120KB

    • memory/3544-86-0x0000000007560000-0x00000000075F6000-memory.dmp

      Filesize

      600KB

    • memory/3544-35-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3544-97-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3544-20-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3544-71-0x0000000074D80000-0x0000000074DCC000-memory.dmp

      Filesize

      304KB

    • memory/3544-90-0x0000000007620000-0x000000000763A000-memory.dmp

      Filesize

      104KB

    • memory/3544-89-0x0000000007520000-0x0000000007534000-memory.dmp

      Filesize

      80KB

    • memory/3544-88-0x0000000007510000-0x000000000751E000-memory.dmp

      Filesize

      56KB

    • memory/4916-6-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-8-0x000000007450E000-0x000000007450F000-memory.dmp

      Filesize

      4KB

    • memory/4916-47-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-9-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-7-0x0000000005790000-0x00000000057A8000-memory.dmp

      Filesize

      96KB

    • memory/4916-0-0x000000007450E000-0x000000007450F000-memory.dmp

      Filesize

      4KB

    • memory/4916-3-0x0000000005230000-0x00000000052C2000-memory.dmp

      Filesize

      584KB

    • memory/4916-5-0x00000000052D0000-0x00000000052DA000-memory.dmp

      Filesize

      40KB

    • memory/4916-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

      Filesize

      5.6MB

    • memory/4916-1-0x0000000000790000-0x0000000000842000-memory.dmp

      Filesize

      712KB

    • memory/4916-4-0x00000000053D0000-0x000000000546C000-memory.dmp

      Filesize

      624KB

    • memory/4916-10-0x0000000006890000-0x000000000690E000-memory.dmp

      Filesize

      504KB