nanocore | 10719517c091034e447d93a999e4797a32bdea3c651601ded9560fca01087cab

General

Target

CV.exe
Size

559KB
MD5

3bbf14c6d3a535492bae4c32d890f931
SHA1

e345246d1f217357f4e351ff68b7967252149795
SHA256

10719517c091034e447d93a999e4797a32bdea3c651601ded9560fca01087cab
SHA512

90750190857b8632894db2a9b1ec8c144f0397d048a3b0472f1835093831051fcf06e17c5d57e58fcd051d7546c76bed41484ffde9875b5bed7b44a94a32a98a

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

derananocore.ddns.net:1187

194.87.84.118:1187

Mutex

aee28d0a-78bc-4586-8c8c-8f93e292a11b

Attributes

activate_away_mode
true
backup_connection_host
194.87.84.118
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-09T10:37:01.806212736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
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
aee28d0a-78bc-4586-8c8c-8f93e292a11b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
derananocore.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CV.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	CV.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

CV.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CV.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

CV.exe

description pid process target process

PID 2600 set thread context of 3020 2600 CV.exe CV.exe

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

description	pid	process	target process
PID 2600 set thread context of 3020	2600	CV.exe	CV.exe

Drops file in Program Files directory 2 IoCs

Processes:

CV.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	CV.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	CV.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

CV.exe

pid process

3020 CV.exe
3020 CV.exe
3020 CV.exe
3020 CV.exe
3020 CV.exe
3020 CV.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

CV.exe

pid process

3020 CV.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CV.exe

description pid process

Token: SeDebugPrivilege 3020 CV.exe

pid	process
3020	CV.exe
3020	CV.exe
3020	CV.exe
3020	CV.exe
3020	CV.exe
3020	CV.exe

pid	process
3020	CV.exe

description	pid	process
Token: SeDebugPrivilege	3020	CV.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CV.exe

description	pid	process	target process
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe
PID 2600 wrote to memory of 3020	2600	CV.exe	CV.exe

C:\Users\Admin\AppData\Local\Temp\CV.exe
"C:\Users\Admin\AppData\Local\Temp\CV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2600

C:\Users\Admin\AppData\Local\Temp\CV.exe
"C:\Users\Admin\AppData\Local\Temp\CV.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
PID:3020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
memory/2600-130-0x00000000009D0000-0x0000000000A62000-memory.dmp

Filesize
584KB

Download
memory/2600-131-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/2600-132-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/2600-133-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/2600-134-0x0000000008F30000-0x0000000008FCC000-memory.dmp

Filesize
624KB

Download
memory/2600-135-0x0000000009190000-0x00000000091F6000-memory.dmp

Filesize
408KB

Download
memory/3020-136-0x0000000000000000-mapping.dmp

Download
memory/3020-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads