nanocore | 7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df

General

Target

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
Size

191KB
MD5

002852f0383cf0a97a3b174fbe7ecaee
SHA1

eccbeeed0d5b50991aa8113e7401fa1234a5f5b3
SHA256

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df
SHA512

9855fd6a567cefd68d1c795217f3265861517fd54c920428fc2c260b97810395bda57d90ee2373d13931f1c512bec10b7e93f6cdde1f97d540deb3729729d7a0
SSDEEP

3072:H5Pto80z+vFMCnOzS9FL9sGR2uRyR7QPMtdVhdaPRHpevWkXyxgCvPUHOREoP:HM80mniiLU7QPerORHQW8yKCkHOREoP

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:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files\\PCI Subsystem\\pciss.exe"	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

Drops file in Program Files directory 2 IoCs

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

description	ioc	process
File opened for modification	C:\Program Files\PCI Subsystem\pciss.exe	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
File created	C:\Program Files\PCI Subsystem\pciss.exe	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.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

964 schtasks.exe
380 schtasks.exe

pid	process
964	schtasks.exe
380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

pid	process
1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

pid process

1636 7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

description	pid	process
Token: SeDebugPrivilege	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
Token: SeDebugPrivilege	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe

description	pid	process	target process
PID 1636 wrote to memory of 964	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe
PID 1636 wrote to memory of 964	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe
PID 1636 wrote to memory of 964	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe
PID 1636 wrote to memory of 380	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe
PID 1636 wrote to memory of 380	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe
PID 1636 wrote to memory of 380	1636	7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.exe
"C:\Users\Admin\AppData\Local\Temp\7e37cd55264fa7ff3570d0c35ead3ded1d9f53408672ffc74fa05898955882df.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:1636

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCBD8.tmp"
2⤵
- Creates scheduled task(s)
PID:964

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF549.tmp"
2⤵
- Creates scheduled task(s)
PID:380

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCBD8.tmp

Filesize
1KB

MD5
521ce81fe209432c8566387890d5863d

SHA1
883563a879cf2a256e8edf49dafccf017982963d

SHA256
c0e028035e44fc03cfc2418b2174997159e731ced518d6126b16032b6ba4776e

SHA512
efc0ddccd46abf521d423b67afa67f4f632bf8e8057f338d49116f3614a5dac79abbf8dfd7d08141b6f0380cb9431b76ed1a7d1afcf20bdf8ee851f2847b9ae4

Download Submit
memory/380-59-0x0000000000000000-mapping.dmp

Download
memory/964-56-0x0000000000000000-mapping.dmp

Download
memory/1636-54-0x000007FEF2E80000-0x000007FEF38A3000-memory.dmp

Filesize
10.1MB

Download
memory/1636-55-0x000007FEF1DE0000-0x000007FEF2E76000-memory.dmp

Filesize
16.6MB

Download
memory/1636-58-0x0000000002186000-0x00000000021A5000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads