nanocore | 970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce

General

Target

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
Size

574KB
MD5

6f4eae1ec54495d39b98b302cc51a230
SHA1

b7492bbddc6f5033387c33c9a108b8a3318967eb
SHA256

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce
SHA512

73e4001b2e8fdff454be1012f6e07c90db107e6808ac9078b4c21e6f62309819cca5853030d21f14dc8507dd3c44ebbaebac6398eba013d7401b3e505a222e8a
SSDEEP

12288:jx6KQHWRfVJltjlAaGLZriGOS1LBvDgRD1AQUJkR+pLwQK1sG0Hsh:jUKXRdJltjCFdriRSMSLJk+yQKb0HG

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

resultat2015.ddns.net:1

127.0.0.1:1

Mutex

57ecf0f2-8688-48f3-9ddd-6d1d0d426634

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
buffer_size
65535
build_time
2015-04-26T15:42:21.460660836Z
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
1
default_group
WAN
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
57ecf0f2-8688-48f3-9ddd-6d1d0d426634
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
resultat2015.ddns.net
primary_dns_server
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:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.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"	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

description	pid	process	target process
PID 3256 set thread context of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Drops file in Program Files directory 2 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.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

3120 schtasks.exe
384 schtasks.exe

pid	process
3120	schtasks.exe
384	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

pid	process
3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

pid process

4332 970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

pid	process
4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

description	pid	process
Token: SeDebugPrivilege	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
Token: SeDebugPrivilege	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe

description	pid	process	target process
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 3256 wrote to memory of 4332	3256	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
PID 4332 wrote to memory of 3120	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe
PID 4332 wrote to memory of 3120	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe
PID 4332 wrote to memory of 3120	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe
PID 4332 wrote to memory of 384	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe
PID 4332 wrote to memory of 384	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe
PID 4332 wrote to memory of 384	4332	970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
"C:\Users\Admin\AppData\Local\Temp\970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3256

C:\Users\Admin\AppData\Local\Temp\970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.exe
"C:\Users\Admin\AppData\Local\Temp\970788b0350186cee6bf2db53f95a987a02511f2a0c3fc75cb1342be786f8dce.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:4332

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmp"
3⤵
- Creates scheduled task(s)
PID:3120

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB675.tmp"
3⤵
- Creates scheduled task(s)
PID:384

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB57A.tmp
Filesize
1KB

MD5
0c688a6229813fed662dce6186de5c4d

SHA1
f5ab58d159bbc66b3951ffc6f65cc28e7a3a8c49

SHA256
0ffcf4fde75d591efb8e15f07abd2051615ca3a8f0f1466b5c78996dce106850

SHA512
768c16a4cf6ac6e26fc1381bacab0673c47eb17307684941d8f3ca591c2ee403304bd7d74a5107cc0ee29cb637c83aa1edbecd42d95e624f6fe4b7d246c6bcec

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB675.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/384-138-0x0000000000000000-mapping.dmp

Download
memory/3120-136-0x0000000000000000-mapping.dmp

Download
memory/3256-134-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/4332-132-0x0000000000000000-mapping.dmp

Download
memory/4332-133-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4332-135-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/4332-140-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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