nanocore | a13246eee7037b9b747023ed63daae6f7288ee43bb527ea43d11a892eeff1ebe

General

Target

R.F.Q.exe
Size

1.4MB
MD5

937848a81c34064acfb5357a7c1e58b3
SHA1

5b5cadb7267f6f97ba5cc84e70e8ba0bc6d0d3c6
SHA256

723baf8bb4210bfae985af70315eb9e2cb6ebef6dfd117219da3a9bb00186cd5
SHA512

febfef00bbf7ddd78ea735a248a0776178dde2c6f4b17af96211904eb7943ab57ac6aed43681590db409eab16335f95b71ef81acd7ac05db7ccedb8e8f606280

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.29.132:1985

127.0.0.1:1985

Mutex

f61bbd75-d4b8-4ea7-be06-9084282264d7

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-21T01:06:21.461976936Z
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
1985
default_group
Scarface
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
f61bbd75-d4b8-4ea7-be06-9084282264d7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.29.132
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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
Drops startup file 1 IoCs

Processes:

R.F.Q.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cscript.url R.F.Q.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cscript.url	R.F.Q.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

R.F.Q.exe

description pid process target process

PID 1364 set thread context of 1324 1364 R.F.Q.exe MSBuild.exe

description	pid	process	target process
PID 1364 set thread context of 1324	1364	R.F.Q.exe	MSBuild.exe

Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	MSBuild.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

1256 schtasks.exe
1320 schtasks.exe

pid	process
1256	schtasks.exe
1320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

MSBuild.exeR.F.Q.exe

pid	process
1324	MSBuild.exe
1324	MSBuild.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

1324 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1324 MSBuild.exe
Token: SeDebugPrivilege 1324 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

R.F.Q.exe

pid process

1364 R.F.Q.exe
1364 R.F.Q.exe
1364 R.F.Q.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

R.F.Q.exe

pid process

1364 R.F.Q.exe
1364 R.F.Q.exe
1364 R.F.Q.exe

description	pid	process
Token: SeDebugPrivilege	1324	MSBuild.exe
Token: SeDebugPrivilege	1324	MSBuild.exe

pid	process
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe

pid	process
1364	R.F.Q.exe
1364	R.F.Q.exe
1364	R.F.Q.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

R.F.Q.exeMSBuild.exe

description	pid	process	target process
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1364 wrote to memory of 1324	1364	R.F.Q.exe	MSBuild.exe
PID 1324 wrote to memory of 1256	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1256	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1256	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1256	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1320	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1320	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1320	1324	MSBuild.exe	schtasks.exe
PID 1324 wrote to memory of 1320	1324	MSBuild.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\R.F.Q.exe
"C:\Users\Admin\AppData\Local\Temp\R.F.Q.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5D6D.tmp"
3⤵
- Creates scheduled task(s)
PID:1256

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5FED.tmp"
3⤵
- Creates scheduled task(s)
PID:1320

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5D6D.tmp
Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5FED.tmp
Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/1256-69-0x0000000000000000-mapping.dmp

Download
memory/1320-71-0x0000000000000000-mapping.dmp

Download
memory/1324-62-0x000000000041E792-mapping.dmp

Download
memory/1324-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1324-68-0x0000000074CB0000-0x000000007525B000-memory.dmp

Filesize
5.7MB

Download
memory/1324-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1324-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1324-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1364-66-0x00000000003E0000-0x0000000000446000-memory.dmp

Filesize
408KB

Download
memory/1364-67-0x0000000000A80000-0x0000000000AE6000-memory.dmp

Filesize
408KB

Download
memory/1364-54-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads