nanocore | 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 06:16

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General

Target

76839e674adbc02d2acf25a4fdde1039.exe
Size

655KB
MD5

76839e674adbc02d2acf25a4fdde1039
SHA1

f5f977c2d069d41f45c2a138ef837228a929214f
SHA256

87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf
SHA512

55b7bbf5dda6dbe5b81f4fa0e131883ecd11c5db18c4b3c80d3af2b3ea078b991466496a906f1deb7f5178144a7133c48b58680d11658d2e3feefc0fa36fe043
SSDEEP

12288:WnCrahC2unU+ihE6d7YLQwX3796XDIXXcEre7mPKOjewUnB3GmEq:TahQU+4dmQan5re7myqewUVNE

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

7c49fc8b-b4e3-4ea2-a895-eda0223cb79d

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-11T09:55:17.304143036Z
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
6110
default_group
M3M3
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
7c49fc8b-b4e3-4ea2-a895-eda0223cb79d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blv23728.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
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

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2264	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	76839e674adbc02d2acf25a4fdde1039.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Service = "C:\\Program Files (x86)\\AGP Service\\agpsv.exe"	76839e674adbc02d2acf25a4fdde1039.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process	procid_target
PID 780 set thread context of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88

Drops file in Program Files directory 2 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

description	ioc	Process
File created	C:\Program Files (x86)\AGP Service\agpsv.exe	76839e674adbc02d2acf25a4fdde1039.exe
File opened for modification	C:\Program Files (x86)\AGP Service\agpsv.exe	76839e674adbc02d2acf25a4fdde1039.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

76839e674adbc02d2acf25a4fdde1039.exe76839e674adbc02d2acf25a4fdde1039.exepowershell.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76839e674adbc02d2acf25a4fdde1039.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76839e674adbc02d2acf25a4fdde1039.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exeschtasks.exe

pid	Process
3376	schtasks.exe
1324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exe76839e674adbc02d2acf25a4fdde1039.exe

pid	Process
2264	powershell.exe
2264	powershell.exe
1552	76839e674adbc02d2acf25a4fdde1039.exe
1552	76839e674adbc02d2acf25a4fdde1039.exe
1552	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe

pid	Process
1552	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process
Token: SeDebugPrivilege	2264	powershell.exe
Token: SeDebugPrivilege	1552	76839e674adbc02d2acf25a4fdde1039.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

76839e674adbc02d2acf25a4fdde1039.exe76839e674adbc02d2acf25a4fdde1039.exe

description	pid	Process	procid_target
PID 780 wrote to memory of 2264	780	76839e674adbc02d2acf25a4fdde1039.exe	86
PID 780 wrote to memory of 2264	780	76839e674adbc02d2acf25a4fdde1039.exe	86
PID 780 wrote to memory of 2264	780	76839e674adbc02d2acf25a4fdde1039.exe	86
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 780 wrote to memory of 1552	780	76839e674adbc02d2acf25a4fdde1039.exe	88
PID 1552 wrote to memory of 3376	1552	76839e674adbc02d2acf25a4fdde1039.exe	89
PID 1552 wrote to memory of 3376	1552	76839e674adbc02d2acf25a4fdde1039.exe	89
PID 1552 wrote to memory of 3376	1552	76839e674adbc02d2acf25a4fdde1039.exe	89
PID 1552 wrote to memory of 1324	1552	76839e674adbc02d2acf25a4fdde1039.exe	91
PID 1552 wrote to memory of 1324	1552	76839e674adbc02d2acf25a4fdde1039.exe	91
PID 1552 wrote to memory of 1324	1552	76839e674adbc02d2acf25a4fdde1039.exe	91

C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe
"C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780
- 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\76839e674adbc02d2acf25a4fdde1039.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.exe
  "C:\Users\Admin\AppData\Local\Temp\76839e674adbc02d2acf25a4fdde1039.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:1552
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp395.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3376
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp54B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\76839e674adbc02d2acf25a4fdde1039.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e52erjrq.nld.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp395.tmp

Filesize
1KB

MD5
5f4a922a7fcac59bfc8398960fb2d27a

SHA1
8c24de6d22d308b3c2f72b9014123abcd1197453

SHA256
7ca1ba3e1327ba0950ab0653a83f6a4e13e7fd2436b544794393c7a48fc3111b

SHA512
d40ce46bfbe4eb1eae8f138f3544aa1e36522c228b9fe80f10fcd7c316c7f668fc78ea279e9f2a4c2e10998bb437c166cd9d7d0cb57e5f257408319418350ce5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp54B.tmp

Filesize
1KB

MD5
7a81ae69c04c8d95261eb5f490b7f869

SHA1
9f4f484d306fea15b2e7f9f16db660833bb1f8ce

SHA256
ce3933e772f663a834335cc2071e5e7b2d49a065b51d84a259054b8ef663e785

SHA512
8260ab83106752a488e164bbed63ef334d34399bc9a5c09a0cfceba6aef48eafe5c64e4dfbd353ac3edfff2523b16c2b0287d34833a293c4436e068fae656de8

Download Submit
memory/780-6-0x0000000007E50000-0x0000000007E68000-memory.dmp

Filesize
96KB

Download
memory/780-15-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/780-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/780-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/780-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/780-9-0x0000000006690000-0x000000000670A000-memory.dmp

Filesize
488KB

Download
memory/780-10-0x0000000006970000-0x0000000006A0C000-memory.dmp

Filesize
624KB

Download
memory/780-1-0x00000000009E0000-0x0000000000A8A000-memory.dmp

Filesize
680KB

Download
memory/780-4-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/780-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/780-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/780-3-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/1552-73-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1552-72-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1552-44-0x0000000005C50000-0x0000000005C5A000-memory.dmp

Filesize
40KB

Download
memory/1552-46-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

Filesize
40KB

Download
memory/1552-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1552-45-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

Filesize
120KB

Download
memory/1552-14-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1552-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-24-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/2264-60-0x0000000007A00000-0x000000000807A000-memory.dmp

Filesize
6.5MB

Download
memory/2264-37-0x0000000005A40000-0x0000000005D94000-memory.dmp

Filesize
3.3MB

Download
memory/2264-39-0x0000000006060000-0x000000000607E000-memory.dmp

Filesize
120KB

Download
memory/2264-42-0x0000000006100000-0x000000000614C000-memory.dmp

Filesize
304KB

Download
memory/2264-36-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2264-25-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/2264-26-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2264-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2264-47-0x0000000007250000-0x0000000007282000-memory.dmp

Filesize
200KB

Download
memory/2264-48-0x0000000070920000-0x000000007096C000-memory.dmp

Filesize
304KB

Download
memory/2264-58-0x0000000006660000-0x000000000667E000-memory.dmp

Filesize
120KB

Download
memory/2264-59-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/2264-22-0x00000000050A0000-0x00000000050C2000-memory.dmp

Filesize
136KB

Download
memory/2264-61-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/2264-62-0x0000000007420000-0x000000000742A000-memory.dmp

Filesize
40KB

Download
memory/2264-63-0x0000000007630000-0x00000000076C6000-memory.dmp

Filesize
600KB

Download
memory/2264-64-0x00000000075B0000-0x00000000075C1000-memory.dmp

Filesize
68KB

Download
memory/2264-65-0x00000000075E0000-0x00000000075EE000-memory.dmp

Filesize
56KB

Download
memory/2264-66-0x00000000075F0000-0x0000000007604000-memory.dmp

Filesize
80KB

Download
memory/2264-67-0x00000000076F0000-0x000000000770A000-memory.dmp

Filesize
104KB

Download
memory/2264-68-0x00000000076D0000-0x00000000076D8000-memory.dmp

Filesize
32KB

Download
memory/2264-71-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2264-18-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/2264-17-0x0000000004AE0000-0x0000000004B16000-memory.dmp

Filesize
216KB

Download