nanocore | ced40486dd9fefbac03bd68488b3b9b38afb38bc2e24e2383878c96165a3c70d

General

Target

New Purchase Order_2018112.scr
Size

593KB
MD5

5ce1ee1212648449257a2aa2b6d41f13
SHA1

26949870e850861b7c009c4d792b3a63b2bb11e2
SHA256

0d7303671aea9516ab03e2f2e4b0d38784c489aa7555d9db21a5d12f504958e9
SHA512

debe7efdb7b2cbfb08631605788b5f097d6da402a031eb8f774cbeea593c6a87712a1600a1a265b7f2b04d65d81875ef9cfc7bd4722bf58beedede490a790044
SSDEEP

12288:8oV49yW8M/hvz6N6JIPomHSswTEdlB5yBS6EjvXDIiTEbW5gqtcL/Eh0/UIWu/gq:V45fS6SPylTw5yBS6ErDIiyWKqtcoiX

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.98:5634

Mutex

0bc99ce5-af2f-4fe0-961e-2736f2c8bbce

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-03T02:29:02.000467136Z
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
5634
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
0bc99ce5-af2f-4fe0-961e-2736f2c8bbce
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.30.98
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
Executes dropped EXE 2 IoCs

Processes:

filename.exefilename.exe

pid process

1140 filename.exe
4888 filename.exe

pid	process
1140	filename.exe
4888	filename.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exefilename.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "cmd /c type C:\\Users\\Admin\\AppData\\Local\\Temp\\Update.txt \| cmd"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	filename.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

filename.exe

description ioc process

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

Processes:

filename.exe

description pid process target process

PID 1140 set thread context of 4888 1140 filename.exe filename.exe

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

description	pid	process	target process
PID 1140 set thread context of 4888	1140	filename.exe	filename.exe

Drops file in Program Files directory 2 IoCs

Processes:

filename.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	filename.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	filename.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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4876 schtasks.exe
3300 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

filename.exe

pid process

4888 filename.exe
4888 filename.exe
4888 filename.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

filename.exe

pid process

4888 filename.exe

pid	process
4876	schtasks.exe
3300	schtasks.exe

pid	process
4888	filename.exe
4888	filename.exe
4888	filename.exe

pid	process
4888	filename.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

New Purchase Order_2018112.scrfilename.exefilename.exe

description	pid	process
Token: SeDebugPrivilege	4788	New Purchase Order_2018112.scr
Token: SeDebugPrivilege	1140	filename.exe
Token: SeDebugPrivilege	4888	filename.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

New Purchase Order_2018112.scrcmd.exefilename.execmd.exefilename.exe

description	pid	process	target process
PID 4788 wrote to memory of 3492	4788	New Purchase Order_2018112.scr	cmd.exe
PID 4788 wrote to memory of 3492	4788	New Purchase Order_2018112.scr	cmd.exe
PID 4788 wrote to memory of 3492	4788	New Purchase Order_2018112.scr	cmd.exe
PID 3492 wrote to memory of 1140	3492	cmd.exe	filename.exe
PID 3492 wrote to memory of 1140	3492	cmd.exe	filename.exe
PID 3492 wrote to memory of 1140	3492	cmd.exe	filename.exe
PID 1140 wrote to memory of 2844	1140	filename.exe	cmd.exe
PID 1140 wrote to memory of 2844	1140	filename.exe	cmd.exe
PID 1140 wrote to memory of 2844	1140	filename.exe	cmd.exe
PID 2844 wrote to memory of 940	2844	cmd.exe	reg.exe
PID 2844 wrote to memory of 940	2844	cmd.exe	reg.exe
PID 2844 wrote to memory of 940	2844	cmd.exe	reg.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 1140 wrote to memory of 4888	1140	filename.exe	filename.exe
PID 4888 wrote to memory of 4876	4888	filename.exe	schtasks.exe
PID 4888 wrote to memory of 4876	4888	filename.exe	schtasks.exe
PID 4888 wrote to memory of 4876	4888	filename.exe	schtasks.exe
PID 4888 wrote to memory of 3300	4888	filename.exe	schtasks.exe
PID 4888 wrote to memory of 3300	4888	filename.exe	schtasks.exe
PID 4888 wrote to memory of 3300	4888	filename.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2018112.scr
"C:\Users\Admin\AppData\Local\Temp\New Purchase Order_2018112.scr" /S
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788

C:\Windows\SysWOW64\cmd.exe
"cmd"
2⤵
- Suspicious use of WriteProcessMemory
PID:3492

C:\Users\Admin\Desktop\filename.exe
"C:\Users\Admin\Desktop\filename.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\cmd.exe
"cmd"
4⤵
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\SysWOW64\reg.exe
reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Update" /d "cmd /c type "C:\Users\Admin\AppData\Local\Temp\Update.txt" | cmd"
5⤵
- Adds Run key to start application
PID:940

C:\Users\Admin\Desktop\filename.exe
"C:\Users\Admin\Desktop\filename.exe"
4⤵
- Executes dropped EXE
- 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:4888

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp48E0.tmp"
5⤵
- Creates scheduled task(s)
PID:4876

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4E50.tmp"
5⤵
- Creates scheduled task(s)
PID:3300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\filename.exe.log
Filesize
223B

MD5
cde6529abeea500fb852f29ba0da6115

SHA1
45f2f48492417ae6a0eade8aaa808d3d1d760743

SHA256
d7f4964443470b6729865676d76f5f1f416da633033071c34ea5eb19cdea53b5

SHA512
c95fa7faf6a90f32060dba70f79c4d66c68d6eec587306fb98f36fc3ba5d377ebf9dabf47298b71db208fb10f7ccb4e0ed82236c8f26bcc746552588bbb38234

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp48E0.tmp
Filesize
1KB

MD5
3e69cfdc97414457ef33010fb54c2ede

SHA1
3cd07f08434a402260b205263eb1de499853b1a1

SHA256
b55422096b144e40a6061d9e894cdb17d2690792ed8939329c4755099a0d73d8

SHA512
01f50c544e2bb42c36aed9bedf6202a204187cc247cf4c76b5071127f4098e635eb25c4fd922aea64cd34abd728fcea3491af658286db1eda2f3e89e547a282c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4E50.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
C:\Users\Admin\Desktop\filename.exe
Filesize
593KB

MD5
5ce1ee1212648449257a2aa2b6d41f13

SHA1
26949870e850861b7c009c4d792b3a63b2bb11e2

SHA256
0d7303671aea9516ab03e2f2e4b0d38784c489aa7555d9db21a5d12f504958e9

SHA512
debe7efdb7b2cbfb08631605788b5f097d6da402a031eb8f774cbeea593c6a87712a1600a1a265b7f2b04d65d81875ef9cfc7bd4722bf58beedede490a790044

Download Submit
memory/1140-17-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/1140-11-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/1140-10-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/1140-8-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-9-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

Filesize
4KB

Download
memory/4788-2-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-1-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-19-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-18-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4888-27-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads