nanocore | 32592d0a4ec9b0fc03f0ec38cc9289634a075640e335a01f4c70b19f42b14729

General

Target

d0a9cd1821525f56ddd72540c92e7170N.exe
Size

280KB
MD5

d0a9cd1821525f56ddd72540c92e7170
SHA1

d43e00b1f8534a15b0e4ba375b9de2e33ab5cee7
SHA256

32592d0a4ec9b0fc03f0ec38cc9289634a075640e335a01f4c70b19f42b14729
SHA512

1fa0c5d4ff2bc532b9feab8ee4d8e1f1e0af2d4927eb348f6ee1d6adcb6443e33a22b67a9fd85372087350b563ae72b7826326df8273eacbc6ce8df3770fd138
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKK:boSeGUA5YZazpXUmZhZ6SK

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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:

d0a9cd1821525f56ddd72540c92e7170N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	d0a9cd1821525f56ddd72540c92e7170N.exe

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2796 a1punf5t2of.exe
2776 a1punf5t2of.exe

pid	process
2796	a1punf5t2of.exe
2776	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d0a9cd1821525f56ddd72540c92e7170N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	d0a9cd1821525f56ddd72540c92e7170N.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 2796 set thread context of 2776 2796 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid process

2776 a1punf5t2of.exe
2776 a1punf5t2of.exe
2776 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2776 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2776 a1punf5t2of.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 2796 set thread context of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2776	a1punf5t2of.exe
2776	a1punf5t2of.exe
2776	a1punf5t2of.exe

pid	process
2776	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2776	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

d0a9cd1821525f56ddd72540c92e7170N.exea1punf5t2of.exe

description	pid	process	target process
PID 3320 wrote to memory of 2796	3320	d0a9cd1821525f56ddd72540c92e7170N.exe	a1punf5t2of.exe
PID 3320 wrote to memory of 2796	3320	d0a9cd1821525f56ddd72540c92e7170N.exe	a1punf5t2of.exe
PID 3320 wrote to memory of 2796	3320	d0a9cd1821525f56ddd72540c92e7170N.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe
PID 2796 wrote to memory of 2776	2796	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\d0a9cd1821525f56ddd72540c92e7170N.exe
"C:\Users\Admin\AppData\Local\Temp\d0a9cd1821525f56ddd72540c92e7170N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3320

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2796

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2776

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
280KB

MD5
40fe96c595c5f53a2e65429cf23412af

SHA1
dfa1fbd82dda08b3855f7345db6de171df7d5aba

SHA256
346a06b4ba0232be43a5e89b4be9ebec547896366f4da7966906c461de7aca15

SHA512
df203d557ba3b248dde052d92875d235215225964ae6a8cdeea0c8681320493334cb29f5118eaec88aaa8abc18fbdd455d143168c7c15c8b43a934f10fea6f65

Download Submit
memory/2776-30-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2776-28-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2776-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2776-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2776-34-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2776-27-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2776-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2776-26-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2776-35-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2796-20-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2796-17-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2796-31-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2796-33-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/2796-19-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3320-3-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3320-18-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3320-2-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3320-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/3320-1-0x0000000074A90000-0x0000000075041000-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