nanocore | f4312184c70e8c35f4bb4b412b3e6ce8be9fcfd9fae0bdca64af56ba817b413a

Analysis

max time kernel
54s
max time network
62s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2022 18:23

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General

Target

test.exe
Size

210KB
MD5

e6d22c879c7e87b2e6d356f43b6ac881
SHA1

470d67e7392baefaffd165a242bd89de0ab17e64
SHA256

f4312184c70e8c35f4bb4b412b3e6ce8be9fcfd9fae0bdca64af56ba817b413a
SHA512

74b8ec5ceaa0cfea135da3368884fe80bbf66c602ebd624993148ad3c08ebebca82ed471df74a5accf4e501e6aee8e39d0a5b1591e3e67271c06b08bd36cc3b7
SSDEEP

6144:gLV6Bta6dtJmakIM5cAC/XCGSE63wOoEB:gLV6BtpmkLAC/JS9gEB

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:

test.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Host = "C:\\Program Files (x86)\\DOS Host\\doshost.exe"	test.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

test.exe

description ioc process

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

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

Drops file in Program Files directory 2 IoCs

Processes:

test.exe

description	ioc	process
File created	C:\Program Files (x86)\DOS Host\doshost.exe	test.exe
File opened for modification	C:\Program Files (x86)\DOS Host\doshost.exe	test.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

872 schtasks.exe
5044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

test.exe

pid process

2936 test.exe
2936 test.exe
2936 test.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

test.exe

pid process

2936 test.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

test.exe

description pid process

Token: SeDebugPrivilege 2936 test.exe

pid	process
872	schtasks.exe
5044	schtasks.exe

pid	process
2936	test.exe
2936	test.exe
2936	test.exe

pid	process
2936	test.exe

description	pid	process
Token: SeDebugPrivilege	2936	test.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

test.exe

description	pid	process	target process
PID 2936 wrote to memory of 5044	2936	test.exe	schtasks.exe
PID 2936 wrote to memory of 5044	2936	test.exe	schtasks.exe
PID 2936 wrote to memory of 5044	2936	test.exe	schtasks.exe
PID 2936 wrote to memory of 872	2936	test.exe	schtasks.exe
PID 2936 wrote to memory of 872	2936	test.exe	schtasks.exe
PID 2936 wrote to memory of 872	2936	test.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.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:2936

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp101D.tmp"
2⤵
- Creates scheduled task(s)
PID:5044

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DOS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp11E3.tmp"
2⤵
- Creates scheduled task(s)
PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

C:\Users\Admin\AppData\Local\Temp\tmp101D.tmp

Filesize
1KB

MD5
daa959fa3888b5436fb93b6796bc803b

SHA1
43b8b749c623daede8374165806b8354655fa06c

SHA256
da87a4088b0f1dce79ca8128c8275cb6eaf527e571c68a6fb3a0b56576d38344

SHA512
aba76a0d311ad0466c64aac0d8f6ed483d2006dc0f14ac78af6af33b9db920a3735fa9478bb6fc5535f4b5eb9621479ec6f8172e05089c27872016ae08f896f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp11E3.tmp

Filesize
1KB

MD5
e380299eb53398115b7125b2b75c4798

SHA1
ee59b86ea0abf4097ff94bd940521c583803b036

SHA256
edb658b6577a80126eaacdf2a566755b63d7b2438fe0bcf3aea83930036811f3

SHA512
d9e3f3b1370fe4fce4a631a5d0669cef34bfe83dec146b606eff562c7cc450639304a732104f425a7ccfdded58064f28a98434a59ed8d93b595d64d1e1a2dde1

Download Submit
memory/872-135-0x0000000000000000-mapping.dmp

Download
memory/2936-132-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/2936-137-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-133-0x0000000000000000-mapping.dmp

Download