nanocore | e0e80715b69be95f22d58f621c8e1aa0787fe7975ffa826276f4f5372418f554

General

Target

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
Size

370KB
MD5

ccd867cfc63db17919a2f33ad9f62c12
SHA1

59c080b507881b4eabbc6cd8cd017aa00efe51f2
SHA256

e0e80715b69be95f22d58f621c8e1aa0787fe7975ffa826276f4f5372418f554
SHA512

a90a4ab3bf79d1655a87840f0f2096eba68e895e9b1e9b84f2473ebcf076798f5e296b260c937e8e7f7d7d3a69cda928722818521116972d5da60c2dc5429f5a
SSDEEP

6144:tld+RZFkKF5SQBqZq80T4vzTvhM2dOEpPOBVZcA3NjXgU9lKKrsypc/xlf:tldKZeYwfbX3d5O1R9jXdlKOTmf

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jeffserver.duckdns.org:7788

Mutex

d42d2ae0-373b-4f39-a3bc-ff7b345278dd

Attributes

activate_away_mode
true
backup_connection_host
jeffserver.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-08-03T22:28:43.558185736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7788
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
d42d2ae0-373b-4f39-a3bc-ff7b345278dd
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jeffserver.duckdns.org
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

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:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description	pid	process	target process
PID 1484 set thread context of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.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

2592 schtasks.exe

pid	process
2592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

pid	process
1832	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
1832	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
1832	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

pid process

1832 E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description pid process

Token: SeDebugPrivilege 1832 E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description	pid	process
Token: SeDebugPrivilege	1832	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

description	pid	process	target process
PID 1484 wrote to memory of 2592	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	schtasks.exe
PID 1484 wrote to memory of 2592	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	schtasks.exe
PID 1484 wrote to memory of 2592	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	schtasks.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
PID 1484 wrote to memory of 1832	1484	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe	E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe

C:\Users\Admin\AppData\Local\Temp\E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
"C:\Users\Admin\AppData\Local\Temp\E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUNVjrF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp83D6.tmp"
2⤵
- Creates scheduled task(s)
PID:2592

C:\Users\Admin\AppData\Local\Temp\E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe
"C:\Users\Admin\AppData\Local\Temp\E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1832

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\E0E80715B69BE95F22D58F621C8E1AA0787FE7975FFA8.exe.log
Filesize
599B

MD5
4c035bcf4ab1fbbc9de8a5ed5be5dfb8

SHA1
180299ba8c06ed922f515b8cdb2409edd8b432d0

SHA256
75b9a0f2298151bbbf388dd94b9f13d5c5ec174891f0c76b07b8cd8bbd1273c1

SHA512
0166b2b1b0d79f366d3ae8b9e76b2fff9648c85b3cf883120b23355ca484337cee6e0462e7d8cd52654506ff739f195bff9e1b4d4617b882ec9943dc31abde4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp83D6.tmp
Filesize
1KB

MD5
ffbcb1f497fb62db9f45ed3ddac1b0f0

SHA1
56b6cee36309d2372b51808c429635837fbcddea

SHA256
96dfdbe4b2d3458593cb5f9df3814d9ee4d6f60308912e0338782bba818a7769

SHA512
36c8fea8445f564f4705f691ba40f71debcceff02414194f1ad89ba7dcd463e3351077d7c93c11005490c37620a9af6a25d23a048b8f9befdb03847abbc4ae10

Download Submit
memory/1484-135-0x00000000059F0000-0x0000000005A8C000-memory.dmp

Filesize
624KB

Download
memory/1484-136-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/1484-137-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/1484-138-0x00000000081B0000-0x0000000008216000-memory.dmp

Filesize
408KB

Download
memory/1484-133-0x0000000000BD0000-0x0000000000C32000-memory.dmp

Filesize
392KB

Download
memory/1484-144-0x0000000008F30000-0x00000000094D4000-memory.dmp

Filesize
5.6MB

Download
memory/1484-134-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/1832-145-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1832-148-0x0000000005350000-0x000000000535A000-memory.dmp

Filesize
40KB

Download
memory/1832-150-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/1832-151-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads