nanocore | 35bfc9611fb7b9fba04790594bb9fdda484ba9d312aee3e649981096c41dbede

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/08/2026, 04:58

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General

Target
ogugugo6786.exe
Size 203KB
Sample260801-fl86msyblh
SHA256 35bfc9611fb7b9fba04790594bb9fdda484ba9d312aee3e649981096c41dbede
MD5 333545ef253b263ae259900bebff3f9b
SHA1 ebcd43ddfb3b40b6d79fbd4c0b22fe771b47b884
SHA512 2a804b57fd12242dfa27b102a4cd1ec2e392ea640ec3caff31fd4a45c251320c1ec787598915d440b90f3c5aee50504e855de5e7a54b4c4016b78295a384b76e
SSDEEP 6144:sLV6Bta6dtJmakIM5x6V2qhLyNPYTbEj39:sLV6BtpmkOM2uL4YT8
TLSH
T1EB14D05677A84A2FE2DE867D612212169379C2E39CC3F3DE28D455B78F267E00A071D3
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

alborea.co:443
www.alborea.co:443

Mutex

91740f0a-38f6-4e6d-bdbe-657d3e625a39

Attributes

activate_away_mode
true
backup_connection_host
www.alborea.co
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-05-13T06:33:02.446359136Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
443
default_group
Default
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
91740f0a-38f6-4e6d-bdbe-657d3e625a39
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
alborea.co
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
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
952	dosmon.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\DOS Monitor = "C:\\Program Files (x86)\\DOS Monitor\\dosmon.exe"	ogugugo6786.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	ogugugo6786.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\DOS Monitor\dosmon.exe	ogugugo6786.exe
File created	C:\Program Files (x86)\DOS Monitor\dosmon.exe	ogugugo6786.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogugugo6786.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dosmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ogugugo6786.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3432	schtasks.exe
4260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe
2380	ogugugo6786.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2380	ogugugo6786.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	ogugugo6786.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3432	2380	ogugugo6786.exe	85
PID 2380 wrote to memory of 4260	2380	ogugugo6786.exe	87

C:\Users\Admin\AppData\Local\Temp\ogugugo6786.exe
"C:\Users\Admin\AppData\Local\Temp\ogugugo6786.exe"
1⤵
- 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:2380
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DOS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp40D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3432
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DOS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp48B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4260

C:\Users\Admin\AppData\Local\Temp\ogugugo6786.exe
"C:\Users\Admin\AppData\Local\Temp\ogugugo6786.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2220

C:\Program Files (x86)\DOS Monitor\dosmon.exe
"C:\Program Files (x86)\DOS Monitor\dosmon.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

dosmon.exe

Path C:\Program Files (x86)\DOS Monitor\dosmon.exe
Size 203KB
SHA256 35bfc9611fb7b9fba04790594bb9fdda484ba9d312aee3e649981096c41dbede
MD5 333545ef253b263ae259900bebff3f9b
SHA1 ebcd43ddfb3b40b6d79fbd4c0b22fe771b47b884
SHA512 2a804b57fd12242dfa27b102a4cd1ec2e392ea640ec3caff31fd4a45c251320c1ec787598915d440b90f3c5aee50504e855de5e7a54b4c4016b78295a384b76e
SSDEEP 6144:sLV6Bta6dtJmakIM5x6V2qhLyNPYTbEj39:sLV6BtpmkOM2uL4YT8
TLSH
T1EB14D05677A84A2FE2DE867D612212169379C2E39CC3F3DE28D455B78F267E00A071D3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp40D.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp40D.tmp
Size 1KB
SHA256 d7528e1cc8fb24354586ec48107301f872bc00052399f974166d6a1667da02c4
MD5 4c2113e0701adb327ecdb2364a56dad0
SHA1 255e984d3cf27511d9c4678b1033787babeebcc4
SHA512 34e2f34600e65fcbf4869dcf8884a7fc934ad75668676f9901f9f2bba1f612f7050bf1ebd80ca30b941ba42958be6e1c0be0149b057bd417fdfa0631b39ade6c
TLSH
T1FC21E064ECC0F61F66B14629A39197C2EE2A47A301164138FCCC4A7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp48B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp48B.tmp
Size 1KB
SHA256 e8c60ac3403e13489278a82b5ece6bc092c27a69b6f5359275bc6b1c57bd1f13
MD5 b167179960db9fca3a7c0fa38c6f4cf7
SHA1 bd26271dc26fde6e47f87624100dc31c3e710226
SHA512 2d4a7bdab2e4a67ef6092f42b373a81f53800ff7772736cd2828d376159ddb4eebc29a3a12007fe70dc2c63712a9ac1a1a31a45b5d401a6fc01d4690dbbb75cc
TLSH
T19221C064ACC0F65B66715625A39157C2DF2A97A341564138FCCC4A7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/952-13-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/952-14-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/952-19-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/2220-10-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/2220-17-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/2380-0-0x0000000000A30000-0x0000000000A40000-memory.dmp

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memory/2380-9-0x0000000074740000-0x0000000074CF1000-memory.dmp

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memory/2380-1-0x0000000074742000-0x0000000074744000-memory.dmp

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memory/2380-16-0x0000000000A30000-0x0000000000A40000-memory.dmp

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memory/2380-20-0x0000000074742000-0x0000000074744000-memory.dmp

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memory/2380-21-0x0000000074740000-0x0000000074CF1000-memory.dmp

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