nanocore | 7c0d6533e8f687c0a6d25629d443ebd569be0a40b74e4bcdda1a2c86cd453e52

General

Target

c1daf00115d9a9fe2345d8c97c526765.exe
Size

959KB
MD5

c1daf00115d9a9fe2345d8c97c526765
SHA1

3cafbf61aeeaf771a1b625901953b790e40e6438
SHA256

7c0d6533e8f687c0a6d25629d443ebd569be0a40b74e4bcdda1a2c86cd453e52
SHA512

b8c73d0c3bc369ae4a5339b9d8831ebadfc95ab52ba137b2787fcde920d8c830fcd2fb43fd509627c79bc55339638e4ebc4563ff74010cdebeb738e3152d4fad
SSDEEP

12288:Be6h2iNpfEuKuM1mA4/lRBYs74vG9T9V6UOlXXSQ5lUUNClc5ZA:Bxh1DM1mA49Yr29V6UOIQfUHlc

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

Mutex

f6041bb2-7c7b-4774-acc8-84a131b635ab

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-22T04:21:36.365135136Z
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
1665
default_group
OCTOBER
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
f6041bb2-7c7b-4774-acc8-84a131b635ab
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	c1daf00115d9a9fe2345d8c97c526765.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c1daf00115d9a9fe2345d8c97c526765.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

description pid process target process

PID 1484 set thread context of 3340 1484 c1daf00115d9a9fe2345d8c97c526765.exe c1daf00115d9a9fe2345d8c97c526765.exe

description	pid	process	target process
PID 1484 set thread context of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe

Drops file in Program Files directory 2 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	c1daf00115d9a9fe2345d8c97c526765.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	c1daf00115d9a9fe2345d8c97c526765.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

4724 schtasks.exe
4328 schtasks.exe

pid	process
4724	schtasks.exe
4328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

pid	process
3340	c1daf00115d9a9fe2345d8c97c526765.exe
3340	c1daf00115d9a9fe2345d8c97c526765.exe
3340	c1daf00115d9a9fe2345d8c97c526765.exe
3340	c1daf00115d9a9fe2345d8c97c526765.exe
3340	c1daf00115d9a9fe2345d8c97c526765.exe
3340	c1daf00115d9a9fe2345d8c97c526765.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

pid process

3340 c1daf00115d9a9fe2345d8c97c526765.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exe

description pid process

Token: SeDebugPrivilege 3340 c1daf00115d9a9fe2345d8c97c526765.exe

description	pid	process
Token: SeDebugPrivilege	3340	c1daf00115d9a9fe2345d8c97c526765.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

c1daf00115d9a9fe2345d8c97c526765.exec1daf00115d9a9fe2345d8c97c526765.exe

description	pid	process	target process
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 1484 wrote to memory of 3340	1484	c1daf00115d9a9fe2345d8c97c526765.exe	c1daf00115d9a9fe2345d8c97c526765.exe
PID 3340 wrote to memory of 4724	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe
PID 3340 wrote to memory of 4724	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe
PID 3340 wrote to memory of 4724	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe
PID 3340 wrote to memory of 4328	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe
PID 3340 wrote to memory of 4328	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe
PID 3340 wrote to memory of 4328	3340	c1daf00115d9a9fe2345d8c97c526765.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\c1daf00115d9a9fe2345d8c97c526765.exe
"C:\Users\Admin\AppData\Local\Temp\c1daf00115d9a9fe2345d8c97c526765.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Local\Temp\c1daf00115d9a9fe2345d8c97c526765.exe
"C:\Users\Admin\AppData\Local\Temp\c1daf00115d9a9fe2345d8c97c526765.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:3340

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C2C.tmp"
3⤵
- Creates scheduled task(s)
PID:4724

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4CE8.tmp"
3⤵
- Creates scheduled task(s)
PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c1daf00115d9a9fe2345d8c97c526765.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4C2C.tmp

Filesize
1KB

MD5
5faa2b4d361d41fe5582b46a12e1538f

SHA1
dab37af2b32480c30d1d84abb339d62f4d23adbf

SHA256
66dc6823be2034d9137102b46d6b660b2e39aac43069cbb18e69d3dff3284809

SHA512
c319862b065496dc192c3522e07edd83ed0d02309cdc5b3d7b399ffeafceeb9942caf1e3c1bd1a70aa94c689b8abe652ecf37e0bdc9b2d2c73008691ac576539

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CE8.tmp

Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/1484-133-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/1484-134-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/1484-135-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/1484-136-0x00000000075A0000-0x000000000763C000-memory.dmp

Filesize
624KB

Download
memory/1484-137-0x000000000B610000-0x000000000B676000-memory.dmp

Filesize
408KB

Download
memory/1484-132-0x0000000000A30000-0x0000000000B26000-memory.dmp

Filesize
984KB

Download
memory/3340-138-0x0000000000000000-mapping.dmp

Download
memory/3340-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4328-143-0x0000000000000000-mapping.dmp

Download
memory/4724-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads