nanocore | 0ebf8545feaf908b6003438edd9cf2c1ef9977c9326b84ec5b0a1f4ec1499a37

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 14:40

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General

Target

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
Size

552KB
MD5

64db2153eec059ebaba09c5bfc298773
SHA1

31b8a92c6644d7b38ea5c7a2c84ec2db62f15cc4
SHA256

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355
SHA512

6c4b52dc734e90f4b3cee0333f4c91a5300120dd6488075ba9ced0da9e6b8bc97cc2a082866e94a9f3acfbdcbb5a5b917fa67bb929fe88cb17e57f3af7b213b9
SSDEEP

12288:WLV6BtpmklYzhFRJ2dWgfATBgKwpr4LlIFUzM8+8h:EApfW9J2YgegKsr4LlIfEh

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe"	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

Drops file in Program Files directory 2 IoCs

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

pid	process
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

pid process

4516 8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

description pid process

Token: SeDebugPrivilege 4516 8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

description	pid	process
Token: SeDebugPrivilege	4516	8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe

C:\Users\Admin\AppData\Local\Temp\8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe
"C:\Users\Admin\AppData\Local\Temp\8553e645af470da035422c51d28fcf849affadfdbc302966ff3de934f82cc355.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4516-133-0x0000000001AF0000-0x0000000001B00000-memory.dmp

Filesize
64KB

Download
memory/4516-136-0x0000000001AF0000-0x0000000001B00000-memory.dmp

Filesize
64KB

Download
memory/4516-137-0x0000000001AF0000-0x0000000001B00000-memory.dmp

Filesize
64KB

Download
memory/4516-138-0x0000000001AF0000-0x0000000001B00000-memory.dmp

Filesize
64KB

Download