nanocore | bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6

General

Target

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
Size

203KB
MD5

eb37be87a7c69cadd9a6eed850a8b44d
SHA1

3f0838c84ace9827fa702e2f0e31ed3cfc3e01fa
SHA256

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6
SHA512

028f67f777fba79936a9ee3ae56e1e06debda6732022db6651ce5b95c70a25f4fc53f74606720fbabab0dbe599640681aeb664147180fbb2935b3c1e5add2beb

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:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Drops file in Program Files directory 2 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.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

2084 schtasks.exe
4980 schtasks.exe

pid	process
2084	schtasks.exe
4980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

pid	process
2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

pid process

2352 bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	pid	process
Token: SeDebugPrivilege	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
Token: SeDebugPrivilege	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	pid	process	target process
PID 2352 wrote to memory of 2084	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 2352 wrote to memory of 2084	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 2352 wrote to memory of 2084	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 2352 wrote to memory of 4980	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 2352 wrote to memory of 4980	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 2352 wrote to memory of 4980	2352	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
"C:\Users\Admin\AppData\Local\Temp\bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.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:2352

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAA9C.tmp"
2⤵
- Creates scheduled task(s)
PID:2084

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpABB7.tmp"
2⤵
- Creates scheduled task(s)
PID:4980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAA9C.tmp

Filesize
1KB

MD5
cc69350c1c8eb2edd1a9aca081101db6

SHA1
c5385903443d4af3acaeab86de72968a437fe76c

SHA256
b3ebb0f09226a44c6eded05e44aa5be9a4b3e822e88f2c9bcf76d0b195a704ad

SHA512
456357f20a9f585040f744fa32d1be7dac59e14fde9d60fc3a76b8d48a5fde564c9ab9188a7dc93202e75b9f00bad23b79ca2ba6d160ac0358cd24eaf0750845

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpABB7.tmp

Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

Download Submit
memory/2084-131-0x0000000000000000-mapping.dmp

Download
memory/2352-130-0x0000000074F30000-0x00000000754E1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads