nanocore | 703bdf2ca62398c2a4530cb974068e3ecad0c293b336495b86991a40db946139

General

Target

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
Size

837KB
MD5

26dafe289b4249ecff3cd945e81eeb99
SHA1

9b5e8adfede3c032cbfc91cf0d8c6b17c0971bed
SHA256

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293
SHA512

03a98b486a225143c5b65509cd4606528cf52a3053422d031e6946e67e931d8f98e6a00995f8eaf946a2dbf7ed29cf48e10fbaf310d28257c0e75dd5f72182ba
SSDEEP

24576:sHYQwcFz4c9Vjw+jNN2R9x8TsFvfSki5ZmICdoHwJbQ:oF8cvjEosBVymIgJ

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

claude111.duckdns.org:31740

Mutex

0bcbe88e-f672-4ae9-8d88-8c69d7bd7e44

Attributes

activate_away_mode
true
backup_connection_host
claude111.duckdns.org
backup_dns_server
claude111.duckdns.org
buffer_size
65535
build_time
2022-12-25T22:39:01.788668536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
31740
default_group
march
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
0bcbe88e-f672-4ae9-8d88-8c69d7bd7e44
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
claude111.duckdns.org
primary_dns_server
claude111.duckdns.org
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

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:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

description	pid	process	target process
PID 1428 set thread context of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1104 schtasks.exe

pid	process
1104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exepowershell.exeb68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

pid	process
1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
1420	powershell.exe
1420	powershell.exe
2428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
2428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
2428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

pid process

2428 b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

pid	process
2428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exepowershell.exeb68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

description	pid	process
Token: SeDebugPrivilege	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
Token: SeDebugPrivilege	1420	powershell.exe
Token: SeDebugPrivilege	2428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
"C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GwbsWQvOjO.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1420

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GwbsWQvOjO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C85.tmp"
2⤵
- Creates scheduled task(s)
PID:1104

C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
"C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe"
2⤵
PID:4260

C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
"C:\Users\Admin\AppData\Local\Temp\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2428

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1sd245r.1us.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6C85.tmp
Filesize
1KB

MD5
14b79202c3961c728e6f26af27430366

SHA1
f78cab30433ccf75645729234c2d20e268c14108

SHA256
cdb47480efe960b3f94a8d23b455451c6eea5bca26d05223447e933687157da0

SHA512
e7d01a1639b8f02ead5964537d4979167a8246b4163bbd099c4efd96c93b5a46115b5ce35fbdb90afc30e23d83043eb962cb47d421fafd7efcc241524cfcce7a

Download Submit
memory/1420-180-0x000000007F580000-0x000000007F590000-memory.dmp

Filesize
64KB

Download
memory/1420-150-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

Filesize
136KB

Download
memory/1420-163-0x0000000004750000-0x0000000004760000-memory.dmp

Filesize
64KB

Download
memory/1420-164-0x0000000004750000-0x0000000004760000-memory.dmp

Filesize
64KB

Download
memory/1420-144-0x0000000002150000-0x0000000002186000-memory.dmp

Filesize
216KB

Download
memory/1420-187-0x00000000070A0000-0x00000000070A8000-memory.dmp

Filesize
32KB

Download
memory/1420-146-0x0000000004D90000-0x00000000053B8000-memory.dmp

Filesize
6.2MB

Download
memory/1420-186-0x00000000070C0000-0x00000000070DA000-memory.dmp

Filesize
104KB

Download
memory/1420-185-0x0000000006FB0000-0x0000000006FBE000-memory.dmp

Filesize
56KB

Download
memory/1420-179-0x0000000004750000-0x0000000004760000-memory.dmp

Filesize
64KB

Download
memory/1420-156-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/1420-184-0x0000000007000000-0x0000000007096000-memory.dmp

Filesize
600KB

Download
memory/1420-161-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/1420-183-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

Filesize
40KB

Download
memory/1420-182-0x0000000006D80000-0x0000000006D9A000-memory.dmp

Filesize
104KB

Download
memory/1420-181-0x00000000073C0000-0x0000000007A3A000-memory.dmp

Filesize
6.5MB

Download
memory/1420-166-0x0000000005A80000-0x0000000005A9E000-memory.dmp

Filesize
120KB

Download
memory/1420-167-0x0000000006A40000-0x0000000006A72000-memory.dmp

Filesize
200KB

Download
memory/1420-168-0x0000000070570000-0x00000000705BC000-memory.dmp

Filesize
304KB

Download
memory/1420-178-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/1428-135-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/1428-133-0x0000000000300000-0x00000000003D6000-memory.dmp

Filesize
856KB

Download
memory/1428-138-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/1428-134-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/1428-137-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/1428-136-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/1428-139-0x0000000006990000-0x0000000006A2C000-memory.dmp

Filesize
624KB

Download
memory/2428-190-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/2428-162-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/2428-147-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

description	pid	process	target process
PID 1428 wrote to memory of 1420	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	powershell.exe
PID 1428 wrote to memory of 1420	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	powershell.exe
PID 1428 wrote to memory of 1420	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	powershell.exe
PID 1428 wrote to memory of 1104	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	schtasks.exe
PID 1428 wrote to memory of 1104	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	schtasks.exe
PID 1428 wrote to memory of 1104	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	schtasks.exe
PID 1428 wrote to memory of 4260	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 4260	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 4260	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe
PID 1428 wrote to memory of 2428	1428	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe	b68d4952eaf5950f31cadf83a575f3d9ffd0f46b560a39abb3b013039fcb2293.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads