nanocore | 7deeadf3e42c1da83422702edaedad9b9cec9d15a81cdb68077a04c7b33f06a7

General

Target

RFQ.exe
Size

1.4MB
MD5

96169d2d11ba98a5afc25cac39bfa543
SHA1

d39219033b59417b6ff897259f74ef3f511cb835
SHA256

e3e3a0d4264a9b475696aba1bc5963c510560335c0399909c524fcaa5fcee4b5
SHA512

40870c3b00d55f0110f1940a611fac0ac26a1ff07da66e2dcd2c56abe16c24d87e59fa289c1e26a674b5ce16e4b19a67e92cf69820352deef32ca7f7744c654d

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:

RFQ.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bootcfg.url RFQ.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bootcfg.url	RFQ.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 Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ.exe

description pid process target process

PID 1996 set thread context of 880 1996 RFQ.exe MSBuild.exe

description	pid	process	target process
PID 1996 set thread context of 880	1996	RFQ.exe	MSBuild.exe

Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

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

4316 schtasks.exe
1032 schtasks.exe

pid	process
4316	schtasks.exe
1032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

MSBuild.exeRFQ.exe

pid	process
880	MSBuild.exe
880	MSBuild.exe
880	MSBuild.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

880 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 880 MSBuild.exe
Token: SeDebugPrivilege 880 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

RFQ.exe

pid process

1996 RFQ.exe
1996 RFQ.exe
1996 RFQ.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

RFQ.exe

pid process

1996 RFQ.exe
1996 RFQ.exe
1996 RFQ.exe

description	pid	process
Token: SeDebugPrivilege	880	MSBuild.exe
Token: SeDebugPrivilege	880	MSBuild.exe

pid	process
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe

pid	process
1996	RFQ.exe
1996	RFQ.exe
1996	RFQ.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

RFQ.exeMSBuild.exe

description	pid	process	target process
PID 1996 wrote to memory of 880	1996	RFQ.exe	MSBuild.exe
PID 1996 wrote to memory of 880	1996	RFQ.exe	MSBuild.exe
PID 1996 wrote to memory of 880	1996	RFQ.exe	MSBuild.exe
PID 1996 wrote to memory of 880	1996	RFQ.exe	MSBuild.exe
PID 1996 wrote to memory of 880	1996	RFQ.exe	MSBuild.exe
PID 880 wrote to memory of 4316	880	MSBuild.exe	schtasks.exe
PID 880 wrote to memory of 4316	880	MSBuild.exe	schtasks.exe
PID 880 wrote to memory of 4316	880	MSBuild.exe	schtasks.exe
PID 880 wrote to memory of 1032	880	MSBuild.exe	schtasks.exe
PID 880 wrote to memory of 1032	880	MSBuild.exe	schtasks.exe
PID 880 wrote to memory of 1032	880	MSBuild.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RFQ.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ.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:1996

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:880

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF86E.tmp"
3⤵
- Creates scheduled task(s)
PID:4316

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFA34.tmp"
3⤵
- Creates scheduled task(s)
PID:1032

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\tmpF86E.tmp
Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFA34.tmp
Filesize
1KB

MD5
21de6c3a6440d917bdbb4b491191d9b2

SHA1
c63c300affe7147910dc4544d2d5f3029bf321a6

SHA256
23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4

SHA512
dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f

Download Submit
memory/880-131-0x0000000000000000-mapping.dmp

Download
memory/880-132-0x0000000000730000-0x0000000000768000-memory.dmp

Filesize
224KB

Download
memory/880-138-0x0000000074200000-0x00000000747B1000-memory.dmp

Filesize
5.7MB

Download
memory/1032-141-0x0000000000000000-mapping.dmp

Download
memory/1996-130-0x00000000013C0000-0x0000000001426000-memory.dmp

Filesize
408KB

Download
memory/1996-137-0x0000000003D80000-0x0000000003DE6000-memory.dmp

Filesize
408KB

Download
memory/4316-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads