nanocore | f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115

General

Target

f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe
Size

280KB
MD5

6e0a773cfe3ced38e7ac87c3e36b03a7
SHA1

7aad0f350f38fb5af772f07656932368fb017182
SHA256

f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115
SHA512

9f41d8271ce3f47b0bcf3193a059d9219bb71f5987efe8533a3b8aa3788e92eac568bb52ce7a7ff7a16123f640882603b78c00c76a78e66ef479c4b9d258d713
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkf6:boSeGUA5YZazpXUmZhZ6SL

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:

f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

1244 a1punf5t2of.exe
1072 a1punf5t2of.exe

pid	process
1244	a1punf5t2of.exe
1072	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.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 1244 set thread context of 1072 1244 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

1072 a1punf5t2of.exe
1072 a1punf5t2of.exe
1072 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1072 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1072 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 1244 set thread context of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
1072	a1punf5t2of.exe
1072	a1punf5t2of.exe
1072	a1punf5t2of.exe

pid	process
1072	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1072	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exea1punf5t2of.exe

description	pid	process	target process
PID 1604 wrote to memory of 1244	1604	f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe	a1punf5t2of.exe
PID 1604 wrote to memory of 1244	1604	f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe	a1punf5t2of.exe
PID 1604 wrote to memory of 1244	1604	f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe
PID 1244 wrote to memory of 1072	1244	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe
"C:\Users\Admin\AppData\Local\Temp\f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1604

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:1244

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:1072

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
eaaed07c2a28a0d0cdfab2b2d0612f9f

SHA1
32343e9d3ea21c3fa98f1465c41499b96067932a

SHA256
e58d730e84c0efd2e4ea61284964ef23f8af8892950e8bf37d0706fef3a76974

SHA512
b3b9ff764c9cf00624d8c6ff7da09fa1e5e6838756d581066145d6a1e8accccb356163591edf6e2773e7afb09542900b990228456365625e43b41b6ba1a0014c

Download Submit
memory/1072-29-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-35-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-31-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-28-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-27-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1072-36-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-34-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-19-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-20-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-17-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-32-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-21-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1604-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1604-18-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1604-0-0x0000000074722000-0x0000000074723000-memory.dmp

Filesize
4KB

Download
memory/1604-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/1604-3-0x0000000074720000-0x0000000074CD1000-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