nanocore | 9a2247160056d9a5de43a34672b7e1650402a8ec6f435f1ef0d07a5347907404

Analysis

max time kernel
151s
max time network
154s
platform
windows10_x64
resource
win10v20210408
submitted
21-07-2021 16:08

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General

Target

yMI7.exe
Size

475KB
MD5

39121091956f8934b1c73041ee1cc90f
SHA1

2d63ef96343bd4636ced243f81ce9cc361b28f74
SHA256

9a2247160056d9a5de43a34672b7e1650402a8ec6f435f1ef0d07a5347907404
SHA512

83671f6dffbb90b6ddbe7504e9805aa5a66e8fd8025b3b8c330a37cf342f845f880b0a9a6ed95be70f1a5fe0994fd3b6a4e8c4bdbe59add0183dbad95a7ce8fc

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:

yMI7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Subsystem = "C:\\Program Files (x86)\\UPNP Subsystem\\upnpss.exe"	yMI7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

yMI7.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA yMI7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	yMI7.exe

Drops file in Program Files directory 2 IoCs

Processes:

yMI7.exe

description	ioc	process
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	yMI7.exe
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	yMI7.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

yMI7.exe

pid process

672 yMI7.exe
672 yMI7.exe
672 yMI7.exe
672 yMI7.exe
672 yMI7.exe
672 yMI7.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

yMI7.exe

pid process

672 yMI7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

yMI7.exe

description pid process

Token: SeDebugPrivilege 672 yMI7.exe

pid	process
672	yMI7.exe
672	yMI7.exe
672	yMI7.exe
672	yMI7.exe
672	yMI7.exe
672	yMI7.exe

pid	process
672	yMI7.exe

description	pid	process
Token: SeDebugPrivilege	672	yMI7.exe

C:\Users\Admin\AppData\Local\Temp\yMI7.exe
"C:\Users\Admin\AppData\Local\Temp\yMI7.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:672

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/672-114-0x0000000002A00000-0x0000000002A01000-memory.dmp

Filesize
4KB

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