nanocore | 284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8

General

Target

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
Size

203KB
MD5

356661599b999da40e5ce7daced49318
SHA1

c5b31b772e7ed044f020af6e58b3d3459d1c700b
SHA256

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8
SHA512

d18342ef311fa5cd838a4b7fb221aceaf469690132cf7bc7daf70d239adce5502acc3221c4bd798be6b633e2aa3d5bd5b2d46feb25dcc104b208b5d85bfeaff4

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:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.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"	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

Drops file in Program Files directory 2 IoCs

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
File created	C:\Program Files (x86)\UPNP Subsystem\upnpss.exe	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3196 schtasks.exe
2888 schtasks.exe

pid	process
3196	schtasks.exe
2888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

pid	process
4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

pid process

4796 284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

description pid process

Token: SeDebugPrivilege 4796 284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

description	pid	process
Token: SeDebugPrivilege	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe

description	pid	process	target process
PID 4796 wrote to memory of 3196	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe
PID 4796 wrote to memory of 3196	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe
PID 4796 wrote to memory of 3196	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe
PID 4796 wrote to memory of 2888	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe
PID 4796 wrote to memory of 2888	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe
PID 4796 wrote to memory of 2888	4796	284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.exe
"C:\Users\Admin\AppData\Local\Temp\284b07a0f345d2b232af2028b9e00e73af450b8990105419532fd1ed66599fc8.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
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9FC0.tmp"
2⤵
- Creates scheduled task(s)
PID:3196

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA167.tmp"
2⤵
- Creates scheduled task(s)
PID:2888

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9FC0.tmp
MD5
c92961a28e3fed451c01f60bd39e4fda

SHA1
ce4cba9169a397d1b0d95d491b595095cc0ffd04

SHA256
c6d2fa739d7e9e8c28006a5c2e42159a50930ac0c14d723ce2cc5fd29e08a2e2

SHA512
31630517444c83f48ae11077755b89a441781fd7bcca79a54289f326b146dca6c79b4d2cc8c043abe0488c54fab8b4e76be7dd74a9f04bddd1e68abf4bdaa1dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA167.tmp
MD5
af9986f5e128fd8bd3ae748fcba6576d

SHA1
8060072c35108b48649a03be91803b97f1ad40a4

SHA256
f3242f6480b3d1a8f9285135fdce9a201c4802ce062eee4fb41c488a21d53303

SHA512
f35c8e1699905bc972ae48a5a4a9fd33ea04b2d851ffc1cb1d1573a2087121d803b4186a696b2edad10a9c46c388a478e105f5a730020b598aa9f483086dba38

Download Submit
memory/2888-117-0x0000000000000000-mapping.dmp

Download
memory/3196-115-0x0000000000000000-mapping.dmp

Download
memory/4796-114-0x00000000014E0000-0x00000000014E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads