7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

Analysis

max time kernel
137s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 02:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Size

147KB
MD5

b7efb196096f318c9684c7ed198dc720
SHA1

c8c4c27c008cf197c523e6d833845812095de5d1
SHA256

7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0
SHA512

d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926
SSDEEP

3072:3LVoDvPd+A4WhkhXDl+i1lApwH08TdTIIIIIIIIIIIIIIIIIIfIIIIyIIIITIII/:ZopGGgbiwU8Jz

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldw.exe"	spooldw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldw.exe"	spooldw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldw.exe"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spooldw.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spooldw.exe

Executes dropped EXE 2 IoCs

pid	Process
4988	spooldw.exe
3468	spooldw.exe

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Service Host = "C:\\Windows\\spooldw.exe"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe

Drops file in Windows directory 50 IoCs

description	ioc	Process
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\svchost.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe	spooldw.exe
File created	C:\Windows\message.htm	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spooldw.exe
File created	C:\Windows\spooldw.exe	spooldw.exe
File created	C:\Windows\message.dat	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Keygen.exe	spooldw.exe
File created	C:\Windows\svchost.exe	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Keygen.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\spooldw.exe	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Crack.exe	spooldw.exe
File created	C:\Windows\spooldw.exe	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spooldw.exe
File created	C:\Windows\spooldw.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\svchost.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Keygen.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Keygen.exe	spooldw.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Crack.exe	spooldw.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spooldw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 13 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214FC-0000-0000-C000-000000000046} 0xFFFF = 010000000000000016bac005920fda01	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	spooldw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	spooldw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spooldw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "6"	spooldw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spooldw.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3468	spooldw.exe
3468	spooldw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4988	3176	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe	91
PID 3176 wrote to memory of 4988	3176	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe	91
PID 3176 wrote to memory of 4988	3176	NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b7efb196096f318c9684c7ed198dc720_JC.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\spooldw.exe
  "C:\Windows\spooldw.exe" -xInstallOurNiceServicesYes
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4988

C:\Windows\spooldw.exe
C:\Windows\spooldw.exe -xStartOurNiceServicesYes
1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:3468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\spooldw.exe

Filesize
147KB

MD5
b7efb196096f318c9684c7ed198dc720

SHA1
c8c4c27c008cf197c523e6d833845812095de5d1

SHA256
7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

SHA512
d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926

Download Submit
C:\Windows\spooldw.exe

Filesize
147KB

MD5
b7efb196096f318c9684c7ed198dc720

SHA1
c8c4c27c008cf197c523e6d833845812095de5d1

SHA256
7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

SHA512
d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926

Download Submit
C:\Windows\spooldw.exe

Filesize
147KB

MD5
b7efb196096f318c9684c7ed198dc720

SHA1
c8c4c27c008cf197c523e6d833845812095de5d1

SHA256
7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

SHA512
d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926

Download Submit
C:\Windows\svchost.exe

Filesize
147KB

MD5
b7efb196096f318c9684c7ed198dc720

SHA1
c8c4c27c008cf197c523e6d833845812095de5d1

SHA256
7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

SHA512
d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926

Download Submit
C:\Windows\svchost.exe

Filesize
147KB

MD5
b7efb196096f318c9684c7ed198dc720

SHA1
c8c4c27c008cf197c523e6d833845812095de5d1

SHA256
7ad35f229f51794b2969f388c4e6fb44955c6f0a9bcb62e4cbe8694649ebcee0

SHA512
d90ea2aa8948aec6e1c74e3a954d646d2880705a9bfe63524ad2d170f97b0a3d61820a815bf9f059512fc6d1249f96ae648f27604a8d299aa53c6b3a9404d926

Download Submit