nanocore | b555dbdcad4c6b11b68bfe29c05f4c46f026f3c8f648f83ca8856dd3b3a9f82c

General

Target

tmp.exe
Size

626KB
MD5

426db7c232d53e522642de3508374f51
SHA1

dc6e2fc69ae16aabf57634fdf3d470ff986b0952
SHA256

b555dbdcad4c6b11b68bfe29c05f4c46f026f3c8f648f83ca8856dd3b3a9f82c
SHA512

37ce82dee76b29d6d309d3097d721ad97d6fd96f8280ff8254c419ac10285208e0ef85586ea5d74d65c3e94edce437ba62bf3fbcb37dd4a5b73a2fdf2ff26769

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jasonbourne.bounceme.net:6754

127.0.0.1:6754

Mutex

e9d74429-3eb4-4129-af20-2014507cbb2b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T14:02:59.809548536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6754
default_group
jasonX
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
e9d74429-3eb4-4129-af20-2014507cbb2b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jasonbourne.bounceme.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:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe"	tmp.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

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

Processes:

tmp.exe

description pid process target process

PID 1940 set thread context of 1724 1940 tmp.exe tmp.exe

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

description	pid	process	target process
PID 1940 set thread context of 1724	1940	tmp.exe	tmp.exe

Drops file in Program Files directory 2 IoCs

Processes:

tmp.exe

description	ioc	process
File created	C:\Program Files (x86)\PCI Service\pcisv.exe	tmp.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisv.exe	tmp.exe

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

320 schtasks.exe
1612 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

tmp.exetmp.exe

pid process

1940 tmp.exe
1940 tmp.exe
1724 tmp.exe
1724 tmp.exe
1724 tmp.exe
1724 tmp.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tmp.exe

pid process

1724 tmp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exetmp.exe

description pid process

Token: SeDebugPrivilege 1940 tmp.exe
Token: SeDebugPrivilege 1724 tmp.exe

pid	process
320	schtasks.exe
1612	schtasks.exe

pid	process
1940	tmp.exe
1940	tmp.exe
1724	tmp.exe
1724	tmp.exe
1724	tmp.exe
1724	tmp.exe

pid	process
1724	tmp.exe

description	pid	process
Token: SeDebugPrivilege	1940	tmp.exe
Token: SeDebugPrivilege	1724	tmp.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

tmp.exetmp.exe

description	pid	process	target process
PID 1940 wrote to memory of 840	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 840	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 840	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 840	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1116	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1116	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1116	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1116	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1940 wrote to memory of 1724	1940	tmp.exe	tmp.exe
PID 1724 wrote to memory of 320	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 320	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 320	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 320	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 1612	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 1612	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 1612	1724	tmp.exe	schtasks.exe
PID 1724 wrote to memory of 1612	1724	tmp.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
PID:840

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
PID:1116

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.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
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD0D7.tmp"
3⤵
- Creates scheduled task(s)
PID:320

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD1D2.tmp"
3⤵
- Creates scheduled task(s)
PID:1612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD0D7.tmp
Filesize
1KB

MD5
3f4dcafa44c36f23e4db2b2315fd09da

SHA1
8c83089d6f6c887a77af9b42ca09969f3b2f83f6

SHA256
b8475eb97200b8a15eaf07e0a2cddc5c95e5bc3e7a98685364c9796480de57dc

SHA512
e0624dd6cf0d5e014e96a323d2f7ebe13b683af71bd6ddafa3005cdc2f3c764cfca509262d442fc844b4b390d241ccf3eb36d30043d3d6f6e955a2ee9f792678

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD1D2.tmp
Filesize
1KB

MD5
bbb0d424bb7cb3b0e6aeb68cf82b8f5f

SHA1
7e95dcd21a27ee53e5c23ed5a163df56a43d572a

SHA256
08d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130

SHA512
0dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466

Download Submit
memory/320-73-0x0000000000000000-mapping.dmp

Download
memory/1612-75-0x0000000000000000-mapping.dmp

Download
memory/1724-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-78-0x0000000000570000-0x000000000058E000-memory.dmp

Filesize
120KB

Download
memory/1724-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-91-0x0000000004C30000-0x0000000004C44000-memory.dmp

Filesize
80KB

Download
memory/1724-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-67-0x000000000041E792-mapping.dmp

Download
memory/1724-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-90-0x0000000004BC0000-0x0000000004BEE000-memory.dmp

Filesize
184KB

Download
memory/1724-89-0x0000000004880000-0x000000000488E000-memory.dmp

Filesize
56KB

Download
memory/1724-88-0x0000000004870000-0x0000000004884000-memory.dmp

Filesize
80KB

Download
memory/1724-87-0x0000000004860000-0x0000000004870000-memory.dmp

Filesize
64KB

Download
memory/1724-77-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1724-86-0x0000000004710000-0x0000000004724000-memory.dmp

Filesize
80KB

Download
memory/1724-79-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/1724-80-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/1724-81-0x0000000000630000-0x000000000064A000-memory.dmp

Filesize
104KB

Download
memory/1724-82-0x0000000004230000-0x000000000423E000-memory.dmp

Filesize
56KB

Download
memory/1724-83-0x00000000042C0000-0x00000000042D2000-memory.dmp

Filesize
72KB

Download
memory/1724-84-0x00000000042E0000-0x00000000042EE000-memory.dmp

Filesize
56KB

Download
memory/1724-85-0x0000000004700000-0x000000000470C000-memory.dmp

Filesize
48KB

Download
memory/1940-59-0x0000000000800000-0x000000000083A000-memory.dmp

Filesize
232KB

Download
memory/1940-55-0x00000000762A1000-0x00000000762A3000-memory.dmp

Filesize
8KB

Download
memory/1940-56-0x0000000000330000-0x0000000000346000-memory.dmp

Filesize
88KB

Download
memory/1940-57-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/1940-58-0x0000000005340000-0x00000000053C8000-memory.dmp

Filesize
544KB

Download
memory/1940-54-0x00000000001F0000-0x0000000000292000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads