nanocore | 62c3c39b8e6df8466b35656b9a4bd4efc0a01efdb2cc68caa213b34ff909005a

Analysis

max time kernel
332s
max time network
393s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18/04/2023, 13:14

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General

Target

build1-not-protected.exe
Size

202KB
MD5

5adcaf07439e907e0549d72921513288
SHA1

638730266cc1c18025db5b9e14002d3eb2d165c8
SHA256

62c3c39b8e6df8466b35656b9a4bd4efc0a01efdb2cc68caa213b34ff909005a
SHA512

e9f97a0b54979be0169e8edd867a362dd5fb588937e281c0fe83986e8a57d1f5c92653200ebbe7c6f9dfd7b98a8473d17f7e4c20eb62e74ea2fa1094d83ac615
SSDEEP

3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIwEZ7tmv+uf+MBr0QQDKLDt8yZ:wLV6Bta6dtJmakIM5WmtxreDKL5sGw8

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Subsystem = "C:\\Program Files (x86)\\ARP Subsystem\\arpss.exe"	build1-not-protected.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	build1-not-protected.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Subsystem\arpss.exe	build1-not-protected.exe
File opened for modification	C:\Program Files (x86)\ARP Subsystem\arpss.exe	build1-not-protected.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1308	build1-not-protected.exe
1308	build1-not-protected.exe
1308	build1-not-protected.exe
1308	build1-not-protected.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	build1-not-protected.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	build1-not-protected.exe

C:\Users\Admin\AppData\Local\Temp\build1-not-protected.exe
"C:\Users\Admin\AppData\Local\Temp\build1-not-protected.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:1308

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1308-56-0x0000000000AA0000-0x0000000000AE0000-memory.dmp

Filesize
256KB

Download
memory/1308-60-0x0000000000AA0000-0x0000000000AE0000-memory.dmp

Filesize
256KB

Download