nanocore | 14c87644c759f663c02774c31adb0e8ea00c557dd659c5693fe6563b75dea250

General

Target

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
Size

203KB
MD5

702681c442d61dc4a9719bd3e377dc17
SHA1

7d191d6a62e3abdd7d45d5d50fcce0abd421ea9e
SHA256

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1
SHA512

2dc0ccf469987567cf4f962cf82d412c16e61a4b9e9ca12f62d8a08897db6cbe39fab4c6f839ff19ec1a5676e52b452f444fee2f6f403856fd1ce3ec73205123
SSDEEP

6144:sLV6Bta6dtJmakIM53n/kAflqT1une7R0s1e2:sLV6Btpmkc/FU5e2

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:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsvc.exe"	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

Drops file in Program Files directory 2 IoCs

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description	ioc	process
File created	C:\Program Files (x86)\NAT Service\natsvc.exe	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
File opened for modification	C:\Program Files (x86)\NAT Service\natsvc.exe	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.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

1904 schtasks.exe
1372 schtasks.exe

pid	process
1904	schtasks.exe
1372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

pid	process
4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

pid process

4076 540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description pid process

Token: SeDebugPrivilege 4076 540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description	pid	process
Token: SeDebugPrivilege	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe

description	pid	process	target process
PID 4076 wrote to memory of 1904	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe
PID 4076 wrote to memory of 1904	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe
PID 4076 wrote to memory of 1904	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe
PID 4076 wrote to memory of 1372	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe
PID 4076 wrote to memory of 1372	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe
PID 4076 wrote to memory of 1372	4076	540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.exe
"C:\Users\Admin\AppData\Local\Temp\540003093308be1893002f0a75e73be010488151d91e36d4a19b8260557e68f1.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:4076

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7CC6.tmp"
2⤵
- Creates scheduled task(s)
PID:1904

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NAT Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7D73.tmp"
2⤵
- Creates scheduled task(s)
PID:1372

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\tmp7CC6.tmp
Filesize
1KB

MD5
e8ab067ce435e2de2db97623909269d4

SHA1
2257a6f8de044c4bc6cc1d50af0504ecca064198

SHA256
5a8ead83b5f748e5dc8e854c5f1eb8d3aebd0529aef6753c3b72dc1c9e820509

SHA512
0101c06c1323b5be0ccec7f445b71e80e0628243c58cbda9afbf1cffb6af7c82efece95bfc57274469410263cff019589b64287b6124e4bcd6ddfe3f3315018a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7D73.tmp
Filesize
1KB

MD5
45cb9fac03bbbeb9a6e82b85eb3efbda

SHA1
4d6c00b68434d11f346ce844ccbc2ed7b7d4acff

SHA256
185deb301fb4155d92e158bad5a52722c63ae7399a5b9d3d875050d5389b933a

SHA512
00713c53d7193660ba223a47fa46225cb6d870ea5ea794f703efc73e21e6e01b7283dac5be3d5280e553b922521e32bc7db591bf471bd7673a1a0b62b198073b

Download Submit
memory/4076-133-0x0000000001250000-0x0000000001260000-memory.dmp

Filesize
64KB

Download
memory/4076-141-0x0000000001250000-0x0000000001260000-memory.dmp

Filesize
64KB

Download
memory/4076-142-0x0000000001250000-0x0000000001260000-memory.dmp

Filesize
64KB

Download
memory/4076-143-0x0000000001250000-0x0000000001260000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads