nanocore | b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 23:17

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General

Target

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
Size

202KB
MD5

c0cb17db8034b3554c5810f02c78ae80
SHA1

f6d5e2eb93673e01e1833084faa57f8e866b96a3
SHA256

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57
SHA512

10682688e10f05ef6fd7bbd62d0c92f1085b0fa970e61469a1d936a8f9bf1dac90f468970e2608cd770c3f2a7d7e9c121f368fc2779edda208e375d88ed97419

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

Drops file in Program Files directory 2 IoCs

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

pid	process
1708	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
1708	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
1708	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

pid process

1708 b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

description pid process

Token: SeDebugPrivilege 1708 b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

description	pid	process
Token: SeDebugPrivilege	1708	b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe

C:\Users\Admin\AppData\Local\Temp\b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.exe
"C:\Users\Admin\AppData\Local\Temp\b431ea9cb9a44bbf9a70810dd14a20160bb8d6727175b0eea7c76dd2929c9c57.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:1708

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

Replay Monitor

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Downloads

memory/1708-130-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

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