nanocore | e0a98701448c6e2b9186c6844793fb21a7341ca4534a804713712840ec79b067

Analysis

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

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/11/2026, 08:23

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General

Target
hhferrfg.exe
Size 203KB
Sample261102-j99nvsty2n
SHA256 e0a98701448c6e2b9186c6844793fb21a7341ca4534a804713712840ec79b067
MD5 f795ae330af3510759277fa970183cf4
SHA1 89ff5245efa640a192564f918fc2acdf0098b331
SHA512 eb6652ab7fc2edc1b35eb2a36cb25a4e1fc1c91b34d2543f8a68e33bef7f55985fb474dceb8f10bb37132b2ebe331fd2263550a92ccee0272ebc2a31080cce6c
SSDEEP 6144:MLV6Bta6dtJmakIM5plO3JM1fMKQqa7FPp0k4a:MLV6BtpmkrGpC78a
TLSH
T1EA14CF557BB8492FE2DE867D712202129778C2D3A8D3F3DE28D855B75B223E506071E3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

cakhia-tv-6.live:443
www.cakhia-tv-6.live:443

Mutex

b213ad56-bf13-4c1f-aa46-627075ee2dec

Attributes

activate_away_mode
true
backup_connection_host
www.cakhia-tv-6.live
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-08-14T10:03:33.633440936Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
443
default_group
Default
enable_debug_mode
false
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
b213ad56-bf13-4c1f-aa46-627075ee2dec
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cakhia-tv-6.live
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
9
run_on_startup
false
set_critical_process
true
timeout_interval
5000
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.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 1 IoCs

pid	Process
1372	udpsv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	hhferrfg.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	hhferrfg.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	hhferrfg.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	hhferrfg.exe
File opened for modification	C:\Program Files (x86)\UDP Service\client.log	udpsv.exe

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 Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	hhferrfg.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	hhferrfg.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hhferrfg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hhferrfg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	udpsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2680	schtasks.exe
4488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe
4936	hhferrfg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4936	hhferrfg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	hhferrfg.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2680	4936	hhferrfg.exe	85
PID 4936 wrote to memory of 4488	4936	hhferrfg.exe	87

C:\Users\Admin\AppData\Local\Temp\hhferrfg.exe
"C:\Users\Admin\AppData\Local\Temp\hhferrfg.exe"
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9C7A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2680
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9CE8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4488

C:\Users\Admin\AppData\Local\Temp\hhferrfg.exe
"C:\Users\Admin\AppData\Local\Temp\hhferrfg.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5428

C:\Program Files (x86)\UDP Service\udpsv.exe
"C:\Program Files (x86)\UDP Service\udpsv.exe"
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1372

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

udpsv.exe

Path C:\Program Files (x86)\UDP Service\udpsv.exe
Size 203KB
SHA256 e0a98701448c6e2b9186c6844793fb21a7341ca4534a804713712840ec79b067
MD5 f795ae330af3510759277fa970183cf4
SHA1 89ff5245efa640a192564f918fc2acdf0098b331
SHA512 eb6652ab7fc2edc1b35eb2a36cb25a4e1fc1c91b34d2543f8a68e33bef7f55985fb474dceb8f10bb37132b2ebe331fd2263550a92ccee0272ebc2a31080cce6c
SSDEEP 6144:MLV6Bta6dtJmakIM5plO3JM1fMKQqa7FPp0k4a:MLV6BtpmkrGpC78a
TLSH
T1EA14CF557BB8492FE2DE867D712202129778C2D3A8D3F3DE28D855B75B223E506071E3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp9C7A.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9C7A.tmp
Size 1KB
SHA256 6a6af032be5e3b037b7e6502d19c8a413d93bc4029b4d925b505da7ea3740f8c
MD5 a3cd58389af228a8e40ad29ac8679177
SHA1 f5a6aec191b712ea2a968ba5557072791f91e580
SHA512 8db67801961a40b0a2a2e6214fa24899e5390e0b3b8839832f77b13646d38bd0bc388a3eace26838a04f2bf675ad5ad786e897d41246f5552663cb001d0d1930
TLSH
T1D821C064ACC0F61F66715639A79197C2DE2A57A305664138FCCC4A7F3FB6186308316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp9CE8.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9CE8.tmp
Size 1KB
SHA256 38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
MD5 0a24db62cb5b84309c4803346caaa25d
SHA1 67660778f61bb44168c33ed3fe56ed86cf9583e8
SHA512 d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548
TLSH
T1C921C068ACC0F65B66B19625A39157C2DF2A97A302564138FCCC4E7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1372-15-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/1372-14-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/1372-22-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/4936-9-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/4936-1-0x0000000074E02000-0x0000000074E04000-memory.dmp

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memory/4936-0-0x0000000001420000-0x0000000001430000-memory.dmp

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memory/4936-16-0x0000000001420000-0x0000000001430000-memory.dmp

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memory/4936-17-0x0000000074E02000-0x0000000074E04000-memory.dmp

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memory/4936-18-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/5428-10-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/5428-11-0x0000000074E00000-0x00000000753B1000-memory.dmp

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memory/5428-20-0x0000000074E00000-0x00000000753B1000-memory.dmp

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