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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.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)\DSL Service\dslsvc.exe	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
File created	C:\Program Files (x86)\DSL Service\dslsvc.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

980 schtasks.exe
1556 schtasks.exe

pid	process
980	schtasks.exe
1556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

pid	process
1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

pid process

1280 bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	pid	process
Token: SeDebugPrivilege	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe
Token: SeDebugPrivilege	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe

description	pid	process	target process
PID 1280 wrote to memory of 980	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 980	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 980	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 980	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 1556	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 1556	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 1556	1280	bfc3d9b1770eaab96c1019aba7de28e3aa3b0aa0bb3956c7ea5bb54b2fc21ed6.exe	schtasks.exe
PID 1280 wrote to memory of 1556	1280	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:1280

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFCE6.tmp"
2⤵
- Creates scheduled task(s)
PID:980

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp12.tmp"
2⤵
- Creates scheduled task(s)
PID:1556

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\tmp12.tmp

Filesize
1KB

MD5
f34c9976546ad9fc8624117687e1b732

SHA1
df5de84989e77f019a10e10f2e8a44bca2dc620d

SHA256
d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183

SHA512
cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFCE6.tmp

Filesize
1KB

MD5
cc69350c1c8eb2edd1a9aca081101db6

SHA1
c5385903443d4af3acaeab86de72968a437fe76c

SHA256
b3ebb0f09226a44c6eded05e44aa5be9a4b3e822e88f2c9bcf76d0b195a704ad

SHA512
456357f20a9f585040f744fa32d1be7dac59e14fde9d60fc3a76b8d48a5fde564c9ab9188a7dc93202e75b9f00bad23b79ca2ba6d160ac0358cd24eaf0750845

Download Submit
memory/980-55-0x0000000000000000-mapping.dmp

Download
memory/1280-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1280-58-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/1556-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads