nanocore | 98feb1dbdf5ce8029d274a83a22aa86f68da98ce4383c657bedfb360eea2041b

Analysis

max time kernel
276s
max time network
345s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 10:33

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General

Target

nanocore.exe
Size

202KB
MD5

ff6b9b91b9d9f12174cef6a40066778e
SHA1

93a519a3c3304540aa2e503a58c43d9534ab1d8d
SHA256

98feb1dbdf5ce8029d274a83a22aa86f68da98ce4383c657bedfb360eea2041b
SHA512

23f3b1495ce5f8a59a4b2fde04bf086c95dc4818a5745def67608f2ff1a83e7c30c50999af362eb7b519b18a88cdf9c6930030a0a3bdd14642101d3fdde93e12
SSDEEP

3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI0+N2B5VEF7D0tyI+AQ10bJp+:gLV6Bta6dtJmakIM5k0BMB6V+AQ1+JA

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:

nanocore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	nanocore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

nanocore.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA nanocore.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

nanocore.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	nanocore.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	nanocore.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

nanocore.exe

pid process

1120 nanocore.exe
1120 nanocore.exe
1120 nanocore.exe
1120 nanocore.exe
1120 nanocore.exe
1120 nanocore.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

nanocore.exe

pid process

1120 nanocore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

nanocore.exe

description pid process

Token: SeDebugPrivilege 1120 nanocore.exe

pid	process
1120	nanocore.exe
1120	nanocore.exe
1120	nanocore.exe
1120	nanocore.exe
1120	nanocore.exe
1120	nanocore.exe

pid	process
1120	nanocore.exe

description	pid	process
Token: SeDebugPrivilege	1120	nanocore.exe

C:\Users\Admin\AppData\Local\Temp\nanocore.exe
"C:\Users\Admin\AppData\Local\Temp\nanocore.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:1120

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/1120-132-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1120-133-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download