nanocore | 66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614

General

Target

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
Size

1012KB
MD5

58678eb1df7e8bf574e67573a2beddaa
SHA1

f185b9c1d1591ee0ab44985a93040768afe802c2
SHA256

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614
SHA512

a607c8642b2743ee310f98a7c9012f3e1e509cf6e03515ac6a8459415c023d9593304a8dc3fbe0b6e7c121442b6d2824bb2a92e69fce083072aeef19d2f6068b
SSDEEP

24576:832ENjlweu7EIU+K3e31NPY6RDuVKZsqS+AI3ipytEb9jhz:832EoR7Ad36NA6RUKZsqS+ATgi

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
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

pid process

4620 66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Drops file in Program Files directory 2 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

732 schtasks.exe
5024 schtasks.exe

pid	process
732	schtasks.exe
5024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

pid	process
4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

pid process

4620 66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description pid process

Token: SeDebugPrivilege 4620 66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	pid	process
Token: SeDebugPrivilege	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe

description	pid	process	target process
PID 4620 wrote to memory of 732	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe
PID 4620 wrote to memory of 732	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe
PID 4620 wrote to memory of 732	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe
PID 4620 wrote to memory of 5024	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe
PID 4620 wrote to memory of 5024	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe
PID 4620 wrote to memory of 5024	4620	66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe
"C:\Users\Admin\AppData\Local\Temp\66744784b22d5d1698f9755cdcc226c644aec3a8cd9c551aa7aa5845ed19b614.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Identifies Wine through registry keys
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3604.tmp"
2⤵
- Creates scheduled task(s)
PID:732

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3672.tmp"
2⤵
- Creates scheduled task(s)
PID:5024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3604.tmp
Filesize
1KB

MD5
d9aba998a1406c8008c0e3101b42ecde

SHA1
30872815dc14e95d9c049e5bb0599e2756f03d72

SHA256
e2d755e5d6f1d24536d6ea4cb016682c3b1a7cfee159c8296c253718c395ea5f

SHA512
5221c4d053d6c506ee6d75f8636430489ef1ca11809fce9d271adfbc3b94c72523d006ad8244d656d46489c436137b770baf627a4fac515418b04578d3118495

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3672.tmp
Filesize
1KB

MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
memory/4620-0-0x0000000000400000-0x0000000000614000-memory.dmp

Filesize
2.1MB

Download
memory/4620-10-0x0000000000400000-0x0000000000614000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads