nanocore | 3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304

General

Target

3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe
Size

277KB
MD5

aed761d1c2fc5c67b8ca910dd369c728
SHA1

8d1ddf30eaf7710e934530f373e91d39d1309e26
SHA256

3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304
SHA512

de42418714b1d482cf66ed48f31cfc4f289a6138359ec2722c4d08a46ba2d3babcf840126cb77d0dfb7cd28a535ba2615e11893f61e17bd8d98459900b7ceaee
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fu:boSeGUA5YZazpXUmZhZ6G

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
Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2652 a1punf5t2of.exe
2404 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exea1punf5t2of.exe

pid process

2060 3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe
2652 a1punf5t2of.exe

pid	process
2652	a1punf5t2of.exe
2404	a1punf5t2of.exe

pid	process
2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe
2652	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.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 2652 set thread context of 2404 2652 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 2 IoCs

Processes:

a1punf5t2of.exe

pid process

2404 a1punf5t2of.exe
2404 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2404 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2404 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 2652 set thread context of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2404	a1punf5t2of.exe
2404	a1punf5t2of.exe

pid	process
2404	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2404	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exea1punf5t2of.exe

description	pid	process	target process
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2060 wrote to memory of 2652	2060	3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe
PID 2652 wrote to memory of 2404	2652	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe
"C:\Users\Admin\AppData\Local\Temp\3718f7dba1c7b917da4b848878010fb760fbead70887fa9fa6b5963d5617f304.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2060

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2652

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:2404

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
277KB

MD5
0b25a00a6e7fe21036519a522025adea

SHA1
35c2b63a8bdcbc5b0e8559346e90eb0f609691e3

SHA256
0482b9feeeff0a5b30154104b54ee41c83847cb3b6c971af633583e313eba4d7

SHA512
eee780ab8d17bcf06e846554937c94e27277569b45d831ebc11c4a3dbc71c9abaefe758957752d32a90f10c00782d5b6d1745866e6be72bfcc2ff9421df6db11

Download Submit
memory/2060-0-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-1-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-2-0x0000000000310000-0x0000000000350000-memory.dmp

Filesize
256KB

Download
memory/2060-3-0x0000000000310000-0x0000000000350000-memory.dmp

Filesize
256KB

Download
memory/2060-12-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-36-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-42-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2404-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2404-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2404-41-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-35-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2404-34-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-14-0x0000000000A90000-0x0000000000AD0000-memory.dmp

Filesize
256KB

Download
memory/2652-38-0x0000000000A90000-0x0000000000AD0000-memory.dmp

Filesize
256KB

Download
memory/2652-39-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-40-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-13-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-15-0x0000000074790000-0x0000000074D3B000-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