nanocore | 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965

General

Target

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
Size

566KB
MD5

f26e9eb5914b78c8f295a4713939d4a9
SHA1

51997a3762efd15608e50abde8a687b17b481cc3
SHA256

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965
SHA512

e51af7865aa4827fb4d525113a8d73373f3995a13194e21c70f792a68ed23c0f61090164670b68f16649b10fef54a2e3702ebe24810c32efca26e7d40c84dea9

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

:54984

127.0.0.1:54984

Mutex

49c25f92-88ec-46d9-9a7c-8eb39880ba42

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
84.200.70.40
buffer_size
65535
build_time
2020-12-07T22:10:51.801964236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
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
49c25f92-88ec-46d9-9a7c-8eb39880ba42
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
primary_dns_server
84.200.69.80
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
7973

Signatures

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

Loads dropped DLL 2 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

pid	process
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansv.exe"	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	pid	process	target process
PID 4772 set thread context of 4300	4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Drops file in Program Files directory 2 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\WAN Service\wansv.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
File created	C:\Program Files (x86)\WAN Service\wansv.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.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 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

560 schtasks.exe
1932 schtasks.exe

pid	process
560	schtasks.exe
1932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

pid	process
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

pid process

4300 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

pid process

4772 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

pid	process
4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	pid	process
Token: SeDebugPrivilege	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
Token: SeDebugPrivilege	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe

description	pid	process	target process
PID 4772 wrote to memory of 4300	4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
PID 4772 wrote to memory of 4300	4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
PID 4772 wrote to memory of 4300	4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
PID 4772 wrote to memory of 4300	4772	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
PID 4300 wrote to memory of 1932	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe
PID 4300 wrote to memory of 1932	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe
PID 4300 wrote to memory of 1932	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe
PID 4300 wrote to memory of 560	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe
PID 4300 wrote to memory of 560	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe
PID 4300 wrote to memory of 560	4300	4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
"C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
"C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp764F.tmp"
3⤵
- Creates scheduled task(s)
PID:1932

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp76DC.tmp"
3⤵
- Creates scheduled task(s)
PID:560

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp764F.tmp
MD5
42720defdd16ddaf1eefae539842d62a

SHA1
9ace2b55a24537fe82b17c4782ecf9a4437f2701

SHA256
903da32b8b842bf5c73f34da20626040385d20b52e6c05636126906edb8362e4

SHA512
b851874c9a167b6899d00bdabfc79b1b1668ec5f43922d99c775c923c2a0e983536c02b92098da6181148537f7bca4ea0f7097c28aa389f669b8802bbc3cfb3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp76DC.tmp
MD5
eb527779d4a920bac8c3c59e8f4b4b4c

SHA1
4c9c48fd4ab89a983c87d810577133dc281160b4

SHA256
97a200adfccc855ed435941fe1453a6add1a66b8390d033279c2f1a6a64c26a2

SHA512
a48c1ca2310a4bceacca90d3b8748fdecc0169738905e0bc62a665ab048c1ae6bb801dc99f0f04d85287993c27bfd0a4e7f59d27a1c233b6662d6ba3ca586da0

Download Submit
\Users\Admin\AppData\Local\Temp\hcjp9mqi.dll
MD5
c207d9eae3465543976410bb2f578c33

SHA1
297ab2ee38cba9cb764cb74872155fb15d984ca2

SHA256
1fc080f97140182ebaac437235b0ee53a32658bf7b6aed2680cd5c93e5c7c6e3

SHA512
a563f62882f75e93d2c69bdf2880d3394686d5286469bb452b4ce54cdf5de4fc57edd9659d033def921091d918ac97c83cd6baa4d9e89e669f4d607f6b85b760

Download Submit
\Users\Admin\AppData\Local\Temp\nsp6066.tmp\System.dll
MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/560-19-0x0000000000000000-mapping.dmp

Download
memory/1932-17-0x0000000000000000-mapping.dmp

Download
memory/4300-7-0x00000000023D0000-0x0000000002403000-memory.dmp

Filesize
204KB

Download
memory/4300-16-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/4300-11-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/4300-14-0x00000000049B4000-0x00000000049B5000-memory.dmp

Filesize
4KB

Download
memory/4300-12-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/4300-13-0x00000000049B2000-0x00000000049B3000-memory.dmp

Filesize
4KB

Download
memory/4300-15-0x00000000049B3000-0x00000000049B4000-memory.dmp

Filesize
4KB

Download
memory/4300-10-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Filesize
4KB

Download
memory/4300-9-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/4300-6-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/4300-5-0x00000000733E0000-0x0000000073ACE000-memory.dmp

Filesize
6.9MB

Download
memory/4300-4-0x000000000040188B-mapping.dmp

Download
memory/4300-21-0x00000000058C0000-0x00000000058C5000-memory.dmp

Filesize
20KB

Download
memory/4300-22-0x0000000005950000-0x0000000005969000-memory.dmp

Filesize
100KB

Download
memory/4300-23-0x0000000005970000-0x0000000005973000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads