nanocore | e47c57a265eb959f1f3b9da94281202d814a943779369562a6d9f980d4c2462b

General

Target

144f9cfd4fe2dc691b800984036ba373.exe
Size

904KB
MD5

144f9cfd4fe2dc691b800984036ba373
SHA1

244a0c4f119c7b2189b64e4a0c6bad8b455bd50e
SHA256

e47c57a265eb959f1f3b9da94281202d814a943779369562a6d9f980d4c2462b
SHA512

4faadf04b2d588f68a39783268a3d5b64045373e6623f4e3b33481d5caaec76ca75b3742ffbd6604a3b92cca04212b3b7b51c0260a02d634f1a8f5fccbb21df1
SSDEEP

24576:uO00S0m3KFJ0/re7GVTUr/4yuVwFoZ/VA:uIaKv0/re7GV04y7yZtA

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.52:54984

127.0.0.1:54984

Mutex

1132cfa8-2094-4fb5-ace0-9a6ed25d2e34

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
buffer_size
65535
build_time
2021-05-30T12:34:39.958842536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
IKMERRO
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
1132cfa8-2094-4fb5-ace0-9a6ed25d2e34
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.52
primary_dns_server
request_elevation
false
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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	144f9cfd4fe2dc691b800984036ba373.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5032 set thread context of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	MSBuild.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2080	schtasks.exe
2296	schtasks.exe
4052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5016	MSBuild.exe
5016	MSBuild.exe
5016	MSBuild.exe
5016	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5016	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	MSBuild.exe
Token: SeDebugPrivilege	5016	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 4052	5032	144f9cfd4fe2dc691b800984036ba373.exe	108
PID 5032 wrote to memory of 4052	5032	144f9cfd4fe2dc691b800984036ba373.exe	108
PID 5032 wrote to memory of 4052	5032	144f9cfd4fe2dc691b800984036ba373.exe	108
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5032 wrote to memory of 5016	5032	144f9cfd4fe2dc691b800984036ba373.exe	106
PID 5016 wrote to memory of 2296	5016	MSBuild.exe	105
PID 5016 wrote to memory of 2296	5016	MSBuild.exe	105
PID 5016 wrote to memory of 2296	5016	MSBuild.exe	105
PID 5016 wrote to memory of 2080	5016	MSBuild.exe	104
PID 5016 wrote to memory of 2080	5016	MSBuild.exe	104
PID 5016 wrote to memory of 2080	5016	MSBuild.exe	104

C:\Users\Admin\AppData\Local\Temp\144f9cfd4fe2dc691b800984036ba373.exe
"C:\Users\Admin\AppData\Local\Temp\144f9cfd4fe2dc691b800984036ba373.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5032
- 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:5016
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cPdKccDnTVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF685.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4052

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF85B.tmp"
1⤵
- Creates scheduled task(s)
PID:2080

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF82B.tmp"
1⤵
- Creates scheduled task(s)
PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5016-24-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/5016-15-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/5016-27-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/5016-25-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-16-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-26-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/5016-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5016-13-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-3-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-1-0x00000000011B0000-0x00000000011C0000-memory.dmp

Filesize
64KB

Download
memory/5032-5-0x00000000011B0000-0x00000000011C0000-memory.dmp

Filesize
64KB

Download
memory/5032-4-0x00000000011B0000-0x00000000011C0000-memory.dmp

Filesize
64KB

Download
memory/5032-0-0x0000000074D30000-0x00000000752E1000-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