nanocore | bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a

General

Target

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe
Size

203KB
MD5

0de2352089319039f8d662bb85060270
SHA1

8b20af282968a6c08b33dc21c4c09f8c6eec5048
SHA256

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a
SHA512

de6f65bf99f91168168f616853734a822cd924aa4031107e85d0852e5fc006ce6b9cd29e27d6ce02f77dedc2ca62c24c7c2749aabe3a193a45f724ba24f5d91c

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:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

Drops file in Program Files directory 2 IoCs

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.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

1748 schtasks.exe
2008 schtasks.exe

pid	process
1748	schtasks.exe
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

pid	process
1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe
1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

pid process

1096 bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description pid process

Token: SeDebugPrivilege 1096 bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description	pid	process
Token: SeDebugPrivilege	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe

description	pid	process	target process
PID 1096 wrote to memory of 1748	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 1748	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 1748	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 1748	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 2008	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 2008	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 2008	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe
PID 1096 wrote to memory of 2008	1096	bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.exe
"C:\Users\Admin\AppData\Local\Temp\bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a.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:1096

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB79D.tmp"
2⤵
- Creates scheduled task(s)
PID:1748

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC14E.tmp"
2⤵
- Creates scheduled task(s)
PID:2008

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\tmpB79D.tmp
Filesize
1KB

MD5
572210e3771ac3dfc9040c36c778a1a4

SHA1
08f95d0f21f131c1001fb7d36321b0270cc8cddc

SHA256
fbaf1afa1745bc28dae3cb9b4eacc70b61b4e111967f46d547679a6b3ef8753e

SHA512
19809272583326bde0fb9c0efced89129cd88f9bc23a52cfc9d0642513dd94cb3e3f60a097bfbcd9471c52990a79d11a249dd2f3c700c956f2d4676609693db8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC14E.tmp
Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/1096-54-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download
memory/1096-55-0x0000000074590000-0x0000000074B3B000-memory.dmp

Filesize
5.7MB

Download
memory/1748-56-0x0000000000000000-mapping.dmp

Download
memory/2008-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads