nanocore | c96821c49a936964dc21d8004ac5eef5681317903c3fd3800c76d344d699735d

General

Target

28-10-2021.exe
Size

436KB
MD5

a0b915d8a5497b6a4a63b19d113f2201
SHA1

a2a62831da2541ce291edc7cbfe2258b0de75b85
SHA256

c96821c49a936964dc21d8004ac5eef5681317903c3fd3800c76d344d699735d
SHA512

4925350035be6f2cc920ac8dd66bd737fe84d82cae71bdd1e1214e059760b5dde8915fd7a135bd50d1cb851ef85b001dde4d85cbec757884ed7b01ef2ed53d41

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kevin.ydns.eu:4949

Mutex

c2f8d3c6-6fc5-4172-9965-fb7bf2f7332d

Attributes

activate_away_mode
true
backup_connection_host
kevin.ydns.eu
backup_dns_server
4949
buffer_size
65535
build_time
2021-08-07T15:52:33.078911036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4949
default_group
now
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
c2f8d3c6-6fc5-4172-9965-fb7bf2f7332d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kevin.ydns.eu
primary_dns_server
4949
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

28-10-2021.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	28-10-2021.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

28-10-2021.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 28-10-2021.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

28-10-2021.exe

description pid process target process

PID 3500 set thread context of 1084 3500 28-10-2021.exe 28-10-2021.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	28-10-2021.exe

description	pid	process	target process
PID 3500 set thread context of 1084	3500	28-10-2021.exe	28-10-2021.exe

Drops file in Program Files directory 2 IoCs

Processes:

28-10-2021.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	28-10-2021.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	28-10-2021.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

28-10-2021.exe28-10-2021.exe

pid	process
3500	28-10-2021.exe
3500	28-10-2021.exe
1084	28-10-2021.exe
1084	28-10-2021.exe
1084	28-10-2021.exe
1084	28-10-2021.exe
1084	28-10-2021.exe
1084	28-10-2021.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

28-10-2021.exe

pid process

1084 28-10-2021.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

28-10-2021.exe28-10-2021.exe

description pid process

Token: SeDebugPrivilege 3500 28-10-2021.exe
Token: SeDebugPrivilege 1084 28-10-2021.exe

pid	process
1084	28-10-2021.exe

description	pid	process
Token: SeDebugPrivilege	3500	28-10-2021.exe
Token: SeDebugPrivilege	1084	28-10-2021.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

28-10-2021.exe

description	pid	process	target process
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe
PID 3500 wrote to memory of 1084	3500	28-10-2021.exe	28-10-2021.exe

C:\Users\Admin\AppData\Local\Temp\28-10-2021.exe
"C:\Users\Admin\AppData\Local\Temp\28-10-2021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500

C:\Users\Admin\AppData\Local\Temp\28-10-2021.exe
C:\Users\Admin\AppData\Local\Temp\28-10-2021.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:1084

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\28-10-2021.exe.log
MD5
0db1ba132df85cea8ca8fb2af37a172e

SHA1
39e64b78e7c1ad43e51870d2d61849ad9f84244a

SHA256
a653519921011a4a64d40954b68433382195ddb08309be7dc75f868a5d74f437

SHA512
f958853756ba4c87cbafe4a8c779a49f784c341b580127779abd3b463520e5a9d4c8bc29ba4c57ec520dab6765b4e78d36b946a752151f4045ef7360e6462a35

Download Submit
memory/1084-137-0x00000000059A0000-0x00000000059B9000-memory.dmp

Filesize
100KB

Download
memory/1084-150-0x0000000006BD0000-0x0000000006BDF000-memory.dmp

Filesize
60KB

Download
memory/1084-136-0x0000000005820000-0x0000000005825000-memory.dmp

Filesize
20KB

Download
memory/1084-149-0x0000000006B90000-0x0000000006BB9000-memory.dmp

Filesize
164KB

Download
memory/1084-148-0x0000000006B80000-0x0000000006B8A000-memory.dmp

Filesize
40KB

Download
memory/1084-147-0x0000000006B60000-0x0000000006B6F000-memory.dmp

Filesize
60KB

Download
memory/1084-126-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-127-0x000000000041E792-mapping.dmp

Download
memory/1084-146-0x0000000006B50000-0x0000000006B59000-memory.dmp

Filesize
36KB

Download
memory/1084-133-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/1084-134-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/1084-135-0x0000000005840000-0x0000000005D3E000-memory.dmp

Filesize
5.0MB

Download
memory/1084-138-0x0000000005D10000-0x0000000005D13000-memory.dmp

Filesize
12KB

Download
memory/1084-144-0x0000000006B30000-0x0000000006B36000-memory.dmp

Filesize
24KB

Download
memory/1084-145-0x0000000006B40000-0x0000000006B4D000-memory.dmp

Filesize
52KB

Download
memory/1084-139-0x0000000005D20000-0x0000000005D2D000-memory.dmp

Filesize
52KB

Download
memory/1084-140-0x0000000006AC0000-0x0000000006AD5000-memory.dmp

Filesize
84KB

Download
memory/1084-141-0x0000000006B00000-0x0000000006B06000-memory.dmp

Filesize
24KB

Download
memory/1084-142-0x0000000006B10000-0x0000000006B1C000-memory.dmp

Filesize
48KB

Download
memory/1084-143-0x0000000006B20000-0x0000000006B27000-memory.dmp

Filesize
28KB

Download
memory/3500-121-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/3500-122-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/3500-120-0x0000000004B70000-0x0000000004BD5000-memory.dmp

Filesize
404KB

Download
memory/3500-125-0x0000000000150000-0x0000000000183000-memory.dmp

Filesize
204KB

Download
memory/3500-124-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/3500-123-0x0000000004910000-0x0000000004911000-memory.dmp

Filesize
4KB

Download
memory/3500-118-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads