nanocore | 054174519f7a336d5e8e5fe6596b07cd507c9e146cc437f5d3798b6cf243504e

General

Target

f7210e3233bcb64f07f95b0573e0a07b.exe
Size

670KB
MD5

f7210e3233bcb64f07f95b0573e0a07b
SHA1

302884f77354287317b2492c28d385a1403489db
SHA256

054174519f7a336d5e8e5fe6596b07cd507c9e146cc437f5d3798b6cf243504e
SHA512

62feea6301fb8dec7a648be66827237671a1ed8b2fc78feb67c4a0e47b6c6528056b113fdbd31bb53f31a5b0a130efcb21e9703294f224c609480821f02bd252

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

grace7705.ddns.net:7705

Mutex

4b193573-4138-4219-99c3-ee230c07783f

Attributes

activate_away_mode
true
backup_connection_host
grace7705.ddns.net
backup_dns_server
buffer_size
65535
build_time
2020-11-30T04:32:39.205275236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
7705
default_group
Hour Of Grace$$
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
4b193573-4138-4219-99c3-ee230c07783f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
grace7705.ddns.net
primary_dns_server
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 whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f7210e3233bcb64f07f95b0573e0a07b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exe

description pid process target process

PID 4684 set thread context of 3168 4684 f7210e3233bcb64f07f95b0573e0a07b.exe f7210e3233bcb64f07f95b0573e0a07b.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

3884 schtasks.exe

description	pid	process	target process
PID 4684 set thread context of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe

pid	process
3884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exef7210e3233bcb64f07f95b0573e0a07b.exe

pid	process
4684	f7210e3233bcb64f07f95b0573e0a07b.exe
3168	f7210e3233bcb64f07f95b0573e0a07b.exe
3168	f7210e3233bcb64f07f95b0573e0a07b.exe
3168	f7210e3233bcb64f07f95b0573e0a07b.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exe

pid process

3168 f7210e3233bcb64f07f95b0573e0a07b.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exef7210e3233bcb64f07f95b0573e0a07b.exe

description pid process

Token: SeDebugPrivilege 4684 f7210e3233bcb64f07f95b0573e0a07b.exe
Token: SeDebugPrivilege 3168 f7210e3233bcb64f07f95b0573e0a07b.exe

pid	process
3168	f7210e3233bcb64f07f95b0573e0a07b.exe

description	pid	process
Token: SeDebugPrivilege	4684	f7210e3233bcb64f07f95b0573e0a07b.exe
Token: SeDebugPrivilege	3168	f7210e3233bcb64f07f95b0573e0a07b.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f7210e3233bcb64f07f95b0573e0a07b.exe

description	pid	process	target process
PID 4684 wrote to memory of 3884	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	schtasks.exe
PID 4684 wrote to memory of 3884	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	schtasks.exe
PID 4684 wrote to memory of 3884	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	schtasks.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe
PID 4684 wrote to memory of 3168	4684	f7210e3233bcb64f07f95b0573e0a07b.exe	f7210e3233bcb64f07f95b0573e0a07b.exe

C:\Users\Admin\AppData\Local\Temp\f7210e3233bcb64f07f95b0573e0a07b.exe
"C:\Users\Admin\AppData\Local\Temp\f7210e3233bcb64f07f95b0573e0a07b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LLzCWOr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE0F0.tmp"
2⤵
- Creates scheduled task(s)
PID:3884

C:\Users\Admin\AppData\Local\Temp\f7210e3233bcb64f07f95b0573e0a07b.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3168

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f7210e3233bcb64f07f95b0573e0a07b.exe.log
MD5
ef140ef600b2463c9e7dbf064a104046

SHA1
c08fd1853877be95575ea2e860dd8cafef31f54c

SHA256
ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

SHA512
bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE0F0.tmp
MD5
c6f490dc96d972bd149bbe38fd8ab5ce

SHA1
8e4cbec7fdca04e62136756eb94c1d91d9807ab9

SHA256
f157d18a1a8b9d6622485c49f54ec4ec6944e38fca060782239c29a090b30527

SHA512
8f2711701791d7dbaf20a0a5d113249038713cdf97cd530d9bac3a14b6d4cfde89a69b7694881e82775e1550e663276cf2ffa46262acfd01eb905c401bae1e21

Download Submit
memory/3168-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3168-7-0x000000000041E792-mapping.dmp

Download
memory/3168-9-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/3884-4-0x0000000000000000-mapping.dmp

Download
memory/4684-2-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

Filesize
4KB

Download
memory/4684-3-0x0000000000DB1000-0x0000000000DB2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads