nanocore | ee8c46367596e91ab823d0d17b94ffd7094c1f513f4ca75936036f4980421276

General

Target

RFQ#Inquiry 215642.exe
Size

450KB
MD5

577af04414ea52d9d179b90bc48470a5
SHA1

e9f4092c288d5a491528472e5c7b7610a25a200d
SHA256

7c1982f88aa59a9e220b92e280e4fe1d47ef06214aa5784572f688419e3e7ec4
SHA512

707d21a257070403b168816aadbf2c1263821ddf3cefcc9f29013602bee59eb8fae423430dfac819aed3161b9b792df7733b3f87adfbe471dbaf670a1a8ce79f

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

saocris.ddns.net:1930

Mutex

4b2770ba-c0aa-4a47-80a1-1ecd8b69e945

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-21T14:35:52.193847036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1930
default_group
My Time
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
4b2770ba-c0aa-4a47-80a1-1ecd8b69e945
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
saocris.ddns.net
primary_dns_server
8.8.8.8
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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:

RFQ#Inquiry 215642.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	RFQ#Inquiry 215642.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RFQ#Inquiry 215642.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RFQ#Inquiry 215642.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ#Inquiry 215642.exe

description pid process target process

PID 1440 set thread context of 2684 1440 RFQ#Inquiry 215642.exe RFQ#Inquiry 215642.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

440 schtasks.exe
3600 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ#Inquiry 215642.exe

description	pid	process	target process
PID 1440 set thread context of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe

pid	process
440	schtasks.exe
3600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

RFQ#Inquiry 215642.exeRFQ#Inquiry 215642.exe

pid	process
1440	RFQ#Inquiry 215642.exe
1440	RFQ#Inquiry 215642.exe
1440	RFQ#Inquiry 215642.exe
1440	RFQ#Inquiry 215642.exe
2684	RFQ#Inquiry 215642.exe
2684	RFQ#Inquiry 215642.exe
2684	RFQ#Inquiry 215642.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RFQ#Inquiry 215642.exe

pid process

2684 RFQ#Inquiry 215642.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ#Inquiry 215642.exeRFQ#Inquiry 215642.exe

description pid process

Token: SeDebugPrivilege 1440 RFQ#Inquiry 215642.exe
Token: SeDebugPrivilege 2684 RFQ#Inquiry 215642.exe

pid	process
2684	RFQ#Inquiry 215642.exe

description	pid	process
Token: SeDebugPrivilege	1440	RFQ#Inquiry 215642.exe
Token: SeDebugPrivilege	2684	RFQ#Inquiry 215642.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

RFQ#Inquiry 215642.exeRFQ#Inquiry 215642.exe

description	pid	process	target process
PID 1440 wrote to memory of 440	1440	RFQ#Inquiry 215642.exe	schtasks.exe
PID 1440 wrote to memory of 440	1440	RFQ#Inquiry 215642.exe	schtasks.exe
PID 1440 wrote to memory of 440	1440	RFQ#Inquiry 215642.exe	schtasks.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 1440 wrote to memory of 2684	1440	RFQ#Inquiry 215642.exe	RFQ#Inquiry 215642.exe
PID 2684 wrote to memory of 3600	2684	RFQ#Inquiry 215642.exe	schtasks.exe
PID 2684 wrote to memory of 3600	2684	RFQ#Inquiry 215642.exe	schtasks.exe
PID 2684 wrote to memory of 3600	2684	RFQ#Inquiry 215642.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RFQ#Inquiry 215642.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#Inquiry 215642.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FArXCSdcskXNfR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5321.tmp"
2⤵
- Creates scheduled task(s)
PID:440

C:\Users\Admin\AppData\Local\Temp\RFQ#Inquiry 215642.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp56CB.tmp"
3⤵
- Creates scheduled task(s)
PID:3600

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ#Inquiry 215642.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5321.tmp

Filesize
1KB

MD5
95a400e68510d6f03075aa6550fb20b4

SHA1
2c05296554604d87234ab68b8ab1bb58bda7e72d

SHA256
185892d54caeb2420fb37bac56c1f1116dc3ea53336c32672ff2c3dfbbb02da5

SHA512
ac96957cafb638d143d7209b2b38d78a263fda917ba789a1c42a5c5e7e46f6a1f141926865f6c8a288d7900bb0cbec420985f2363a15e0f6d19f01fac690488d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp56CB.tmp

Filesize
1KB

MD5
f3d4003b0a824d1705f1fa4d666f6780

SHA1
8d96cef70c46583a1c9e5e55c0fba37b2fc8e1ec

SHA256
12f5ab4047fca1841da6ccf819938ae27c12c89d95884a82b174465b5067c1ad

SHA512
2a28226e69d58f1faa0ed774837f082f840c04577720062bc4e464750fd217db98e34f2e76fcd7105be4e6b407ecfc9c4dc9b75049f8a2197f50c3b5db35d80c

Download Submit
memory/440-135-0x0000000000000000-mapping.dmp

Download
memory/1440-130-0x00000000006E0000-0x0000000000756000-memory.dmp

Filesize
472KB

Download
memory/1440-131-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/1440-132-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/1440-133-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/1440-134-0x0000000007650000-0x00000000076EC000-memory.dmp

Filesize
624KB

Download
memory/2684-137-0x0000000000000000-mapping.dmp

Download
memory/2684-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3600-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads