008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43

Analysis

max time kernel
110s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2024, 13:32

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General

Target

008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Size

64KB
MD5

407f13ef3fed008707cc04bcb06c418b
SHA1

5478422c97ff8595bbc9b1df2cf20a6f62b95bc4
SHA256

008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43
SHA512

c542bb71976da78e03f3abd4dff84115154d268e02b67d8c6bf833ffa015cd4a330d79e16299e9f09d8cdaaf64d6ef28a9f7f31654dce346b1ed1613fdadaad2
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIId:8g585LpPCrQt7F84IIIIIIIIIIIIIIIz

Score

10^/10

aspackv2 discovery 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 spoolvi.exe"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolvi.exe"	spoolvi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolvi.exe"	spoolvi.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolvi.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolvi.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023c94-4.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
3268	spoolvi.exe
3648	spoolvi.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	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.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\\spoolvi.exe"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe

Drops file in Windows directory 36 IoCs

description	ioc	Process
File created	C:\Windows\message.dat	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolvi.exe
File created	C:\Windows\svchost.exe	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
File created	C:\Windows\spoolvi.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\svchost.exe	spoolvi.exe
File opened for modification	C:\Windows\svchost.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Keygen.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Keygen.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Sophos AntiVirus v3.74 Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spoolvi.exe
File created	C:\Windows\message.htm	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Sophos AntiVirus v3.74 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
File created	C:\Windows\spoolvi.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spoolvi.exe
File created	C:\Windows\spoolvi.exe	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
File opened for modification	C:\Windows\spoolvi.exe	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spoolvi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spoolvi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Crack.exe	spoolvi.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolvi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolvi.exe

Modifies data under HKEY_USERS 13 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	spoolvi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolvi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "2"	spoolvi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spoolvi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214FC-0000-0000-C000-000000000046} 0xFFFF = 0100000000000000419d20f9e23cdb01	spoolvi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	spoolvi.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3648	spoolvi.exe
3648	spoolvi.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 3268	2172	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe	82
PID 2172 wrote to memory of 3268	2172	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe	82
PID 2172 wrote to memory of 3268	2172	008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe	82

C:\Users\Admin\AppData\Local\Temp\008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.exe
"C:\Users\Admin\AppData\Local\Temp\008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43.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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\spoolvi.exe
  "C:\Windows\spoolvi.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
  - System Location Discovery: System Language Discovery
  PID:3268

C:\Windows\spoolvi.exe
C:\Windows\spoolvi.exe -xStartOurNiceServicesYes
1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:3648

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\spoolvi.exe

Filesize
64KB

MD5
407f13ef3fed008707cc04bcb06c418b

SHA1
5478422c97ff8595bbc9b1df2cf20a6f62b95bc4

SHA256
008039a49577c519b463814cdf8c04ad600e63debf240879c5d2b43cb5177c43

SHA512
c542bb71976da78e03f3abd4dff84115154d268e02b67d8c6bf833ffa015cd4a330d79e16299e9f09d8cdaaf64d6ef28a9f7f31654dce346b1ed1613fdadaad2

Download Submit
memory/2172-39-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-33-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-74-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-35-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-37-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-70-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-41-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-43-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-46-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-68-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2172-72-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3268-7-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3648-42-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3648-69-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3648-34-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3648-75-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download