nanocore | 0e62e4cceadbe0a5b50309f73956bbd1cf51b345b1a4d324e66c10d00c3494d7

General

Target

shipping document.exe
Size

258KB
MD5

612dbb3e0e9540bd711321f239e6ae59
SHA1

2f3f519aa1dda89459173f4d4df7b1a9edeb545f
SHA256

68035b3c8c61cb3fd66d50c97af1167418e84d169aa6424364d1effa09598497
SHA512

c8358bc80ba266e6ea7369ae29251e7d6ed30eb83ba1ed28b0369cd2bd7f515373eab55838194ac0e12095c4c4359237ba359d3a2f8cbd3f5b1a3feda4b4edaf
SSDEEP

6144:DT9Tn0sHnkKY3gJ3oQrU3gFE4qt2/gMq0f06:DRT0sHi3g/IgqZ2/J

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dengsman.duckdns.org:30201

127.0.0.1:30201

Mutex

68929715-1cd3-418e-9481-b31bf6322d48

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2018-04-15T16:24:33.310279636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
30201
default_group
dengs
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
68929715-1cd3-418e-9481-b31bf6322d48
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dengsman.duckdns.org
primary_dns_server
37.235.1.174
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

shipping document.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	shipping document.exe

Executes dropped EXE 2 IoCs

Processes:

tmp.exesvhost.exe

pid process

4760 tmp.exe
1492 svhost.exe

pid	process
4760	tmp.exe
1492	svhost.exe

Unexpected DNS network traffic destination 7 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.177

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe"	svhost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

svhost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svhost.exe

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

Drops desktop.ini file(s) 2 IoCs

Processes:

shipping document.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	shipping document.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	shipping document.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

shipping document.exe

description pid process target process

PID 3080 set thread context of 1492 3080 shipping document.exe svhost.exe

description	pid	process	target process
PID 3080 set thread context of 1492	3080	shipping document.exe	svhost.exe

Drops file in Program Files directory 2 IoCs

Processes:

svhost.exe

description	ioc	process
File created	C:\Program Files (x86)\LAN Monitor\lanmon.exe	svhost.exe
File opened for modification	C:\Program Files (x86)\LAN Monitor\lanmon.exe	svhost.exe

Drops file in Windows directory 3 IoCs

Processes:

shipping document.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	shipping document.exe
File created	C:\Windows\assembly\Desktop.ini	shipping document.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	shipping document.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe:Zone.Identifier cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

shipping document.exesvhost.exe

pid	process
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
1492	svhost.exe
1492	svhost.exe
1492	svhost.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe
3080	shipping document.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

svhost.exe

pid process

1492 svhost.exe

pid	process
1492	svhost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

shipping document.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	3080	shipping document.exe
Token: 33	3080	shipping document.exe
Token: SeIncBasePriorityPrivilege	3080	shipping document.exe
Token: SeDebugPrivilege	1492	svhost.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

shipping document.execmd.exe

description	pid	process	target process
PID 3080 wrote to memory of 4068	3080	shipping document.exe	cmd.exe
PID 3080 wrote to memory of 4068	3080	shipping document.exe	cmd.exe
PID 3080 wrote to memory of 4068	3080	shipping document.exe	cmd.exe
PID 4068 wrote to memory of 2896	4068	cmd.exe	reg.exe
PID 4068 wrote to memory of 2896	4068	cmd.exe	reg.exe
PID 4068 wrote to memory of 2896	4068	cmd.exe	reg.exe
PID 3080 wrote to memory of 4760	3080	shipping document.exe	tmp.exe
PID 3080 wrote to memory of 4760	3080	shipping document.exe	tmp.exe
PID 3080 wrote to memory of 4760	3080	shipping document.exe	tmp.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe
PID 3080 wrote to memory of 1492	3080	shipping document.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4068

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe.lnk" /f
3⤵
PID:2896

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Executes dropped EXE
PID:4760

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- 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
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\FolderN\vname.exe
Filesize
258KB

MD5
612dbb3e0e9540bd711321f239e6ae59

SHA1
2f3f519aa1dda89459173f4d4df7b1a9edeb545f

SHA256
68035b3c8c61cb3fd66d50c97af1167418e84d169aa6424364d1effa09598497

SHA512
c8358bc80ba266e6ea7369ae29251e7d6ed30eb83ba1ed28b0369cd2bd7f515373eab55838194ac0e12095c4c4359237ba359d3a2f8cbd3f5b1a3feda4b4edaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
89KB

MD5
84c42d0f2c1ae761bef884638bc1eacd

SHA1
4353881e7f4e9c7610f4e0489183b55bb58bb574

SHA256
331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

SHA512
43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
202KB

MD5
780148d708a0dc38f4236938077bd24b

SHA1
a48c8e96c1138f01ffcbe32c0bc9c8fd455d5398

SHA256
1f71343d779b3d212243a90fc59658406b53a05b5f34fecb7bda4d6d36a2b713

SHA512
54840659439f2acfecf07af7a0a3fcf928537a1b7fea40dbfd11d31d4903ebe2df86a14dd33ada78b5f3e1961bb7bca7bafd9e512abd60f0e0f8233b607964bb

Download Submit
memory/1492-35-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/1492-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1492-26-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/1492-25-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/1492-27-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/1492-34-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3080-2-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3080-1-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3080-33-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3080-0-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/4760-24-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/4760-31-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/4760-20-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads