nanocore | 05b548e997e7c52d8b0d3348dbe9a59ee981c6e8ba2f33690ddb365661451800

General

Target

VGM.exe
Size

1.0MB
MD5

42b36510685fc45a71793137d2135903
SHA1

2e902541d787c4a9819078d2bb5fd7fa08f8a114
SHA256

7eb71646534a4c45b2d8dce8f41bccd7a1acfd3a8e3171eb287c500b9426724d
SHA512

5638886956740d42eb2ddeb1410f0ecae8259b15227d467caa1e23a64192a94f1e6ae29c470f1f2d9e5ca42a67f34f2f85c03a825acc8d07252777b0c0d74533
SSDEEP

24576:C33WTVxrYxIosanFLu3E61vo/Jtj/lpSmhTqH:Q6Vp9osKQPMvvSoe

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-06T12:07:01.612898436Z
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
1010
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
5a26bcef-e67f-486a-8e48-1748cc7891a2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera5nano.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
Executes dropped EXE 1 IoCs

Processes:

bin.exe

pid process

3496 bin.exe

pid	process
3496	bin.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exeInstallUtil.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bin = "C:\\Users\\Admin\\AppData\\Local\\bin.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bin.exe

description pid process target process

PID 3496 set thread context of 2168 3496 bin.exe InstallUtil.exe

description	pid	process	target process
PID 3496 set thread context of 2168	3496	bin.exe	InstallUtil.exe

Drops file in Program Files directory 2 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	InstallUtil.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	InstallUtil.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3436 schtasks.exe
4776 schtasks.exe
Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXE

pid process

3920 PING.EXE
2904 PING.EXE
3708 PING.EXE

pid	process
3436	schtasks.exe
4776	schtasks.exe

pid	process
3920	PING.EXE
2904	PING.EXE
3708	PING.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

VGM.exebin.exeInstallUtil.exe

pid	process
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
1176	VGM.exe
3496	bin.exe
3496	bin.exe
3496	bin.exe
3496	bin.exe
3496	bin.exe
3496	bin.exe
2168	InstallUtil.exe
2168	InstallUtil.exe
2168	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

2168 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

VGM.exebin.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1176 VGM.exe
Token: SeDebugPrivilege 3496 bin.exe
Token: SeDebugPrivilege 2168 InstallUtil.exe

pid	process
2168	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1176	VGM.exe
Token: SeDebugPrivilege	3496	bin.exe
Token: SeDebugPrivilege	2168	InstallUtil.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

VGM.execmd.execmd.exebin.exeInstallUtil.exe

description	pid	process	target process
PID 1176 wrote to memory of 3068	1176	VGM.exe	cmd.exe
PID 1176 wrote to memory of 3068	1176	VGM.exe	cmd.exe
PID 1176 wrote to memory of 3068	1176	VGM.exe	cmd.exe
PID 3068 wrote to memory of 3920	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 3920	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 3920	3068	cmd.exe	PING.EXE
PID 1176 wrote to memory of 4140	1176	VGM.exe	cmd.exe
PID 1176 wrote to memory of 4140	1176	VGM.exe	cmd.exe
PID 1176 wrote to memory of 4140	1176	VGM.exe	cmd.exe
PID 4140 wrote to memory of 2904	4140	cmd.exe	PING.EXE
PID 4140 wrote to memory of 2904	4140	cmd.exe	PING.EXE
PID 4140 wrote to memory of 2904	4140	cmd.exe	PING.EXE
PID 3068 wrote to memory of 2424	3068	cmd.exe	reg.exe
PID 3068 wrote to memory of 2424	3068	cmd.exe	reg.exe
PID 3068 wrote to memory of 2424	3068	cmd.exe	reg.exe
PID 4140 wrote to memory of 3708	4140	cmd.exe	PING.EXE
PID 4140 wrote to memory of 3708	4140	cmd.exe	PING.EXE
PID 4140 wrote to memory of 3708	4140	cmd.exe	PING.EXE
PID 4140 wrote to memory of 3496	4140	cmd.exe	bin.exe
PID 4140 wrote to memory of 3496	4140	cmd.exe	bin.exe
PID 4140 wrote to memory of 3496	4140	cmd.exe	bin.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 3524	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 4004	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 3496 wrote to memory of 2168	3496	bin.exe	InstallUtil.exe
PID 2168 wrote to memory of 3436	2168	InstallUtil.exe	schtasks.exe
PID 2168 wrote to memory of 3436	2168	InstallUtil.exe	schtasks.exe
PID 2168 wrote to memory of 3436	2168	InstallUtil.exe	schtasks.exe
PID 2168 wrote to memory of 4776	2168	InstallUtil.exe	schtasks.exe
PID 2168 wrote to memory of 4776	2168	InstallUtil.exe	schtasks.exe
PID 2168 wrote to memory of 4776	2168	InstallUtil.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\VGM.exe
"C:\Users\Admin\AppData\Local\Temp\VGM.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 9 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bin" /t REG_SZ /d "C:\Users\Admin\AppData\Local\bin.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 9
3⤵
- Runs ping.exe
PID:3920

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bin" /t REG_SZ /d "C:\Users\Admin\AppData\Local\bin.exe"
3⤵
- Adds Run key to start application
PID:2424

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 13 > nul && copy "C:\Users\Admin\AppData\Local\Temp\VGM.exe" "C:\Users\Admin\AppData\Local\bin.exe" && ping 127.0.0.1 -n 13 > nul && "C:\Users\Admin\AppData\Local\bin.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4140

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 13
3⤵
- Runs ping.exe
PID:2904

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 13
3⤵
- Runs ping.exe
PID:3708

C:\Users\Admin\AppData\Local\bin.exe
"C:\Users\Admin\AppData\Local\bin.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
4⤵
PID:3524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
4⤵
PID:4004

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
4⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC4A8.tmp"
5⤵
- Creates scheduled task(s)
PID:3436

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC564.tmp"
5⤵
- Creates scheduled task(s)
PID:4776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC4A8.tmp
Filesize
1KB

MD5
576bbaf398045c3843d452ec83208236

SHA1
8ed5b2500ae7a40cbfa6e9018a1d1f1e70cb1374

SHA256
33c0c2d72fa383e5988ce640febc5ac6a2bd71d4ae660b99e52234952e17467b

SHA512
e7cc0ea0b351c6a8618e14f03c00e88ef83e2f169e0b4d66513f580f0a9352fbfe429e57186362b69407150d566bbdadca2f7b574fc748cc140b3249be67f96a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC564.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
C:\Users\Admin\AppData\Local\bin.exe
Filesize
1.0MB

MD5
42b36510685fc45a71793137d2135903

SHA1
2e902541d787c4a9819078d2bb5fd7fa08f8a114

SHA256
7eb71646534a4c45b2d8dce8f41bccd7a1acfd3a8e3171eb287c500b9426724d

SHA512
5638886956740d42eb2ddeb1410f0ecae8259b15227d467caa1e23a64192a94f1e6ae29c470f1f2d9e5ca42a67f34f2f85c03a825acc8d07252777b0c0d74533

Download Submit
C:\Users\Admin\AppData\Local\bin.exe
Filesize
1.0MB

MD5
42b36510685fc45a71793137d2135903

SHA1
2e902541d787c4a9819078d2bb5fd7fa08f8a114

SHA256
7eb71646534a4c45b2d8dce8f41bccd7a1acfd3a8e3171eb287c500b9426724d

SHA512
5638886956740d42eb2ddeb1410f0ecae8259b15227d467caa1e23a64192a94f1e6ae29c470f1f2d9e5ca42a67f34f2f85c03a825acc8d07252777b0c0d74533

Download Submit
memory/1176-136-0x0000000008BF0000-0x0000000008BFA000-memory.dmp

Filesize
40KB

Download
memory/1176-135-0x0000000008C00000-0x0000000008C92000-memory.dmp

Filesize
584KB

Download
memory/1176-134-0x0000000008E80000-0x0000000009424000-memory.dmp

Filesize
5.6MB

Download
memory/1176-133-0x00000000055A0000-0x000000000563C000-memory.dmp

Filesize
624KB

Download
memory/1176-132-0x0000000000630000-0x0000000000742000-memory.dmp

Filesize
1.1MB

Download
memory/2168-149-0x0000000000000000-mapping.dmp

Download
memory/2168-150-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-141-0x0000000000000000-mapping.dmp

Download
memory/2904-140-0x0000000000000000-mapping.dmp

Download
memory/3068-137-0x0000000000000000-mapping.dmp

Download
memory/3436-151-0x0000000000000000-mapping.dmp

Download
memory/3496-143-0x0000000000000000-mapping.dmp

Download
memory/3496-146-0x0000000000E00000-0x0000000000F12000-memory.dmp

Filesize
1.1MB

Download
memory/3524-147-0x0000000000000000-mapping.dmp

Download
memory/3708-142-0x0000000000000000-mapping.dmp

Download
memory/3920-138-0x0000000000000000-mapping.dmp

Download
memory/4004-148-0x0000000000000000-mapping.dmp

Download
memory/4140-139-0x0000000000000000-mapping.dmp

Download
memory/4776-153-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads