3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395

General

Target

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Size

64KB
MD5

ba423cc966ae8f69bd093fc71b8e46ba
SHA1

d0087bc748dff59f79432a62619eeae8af2d67d4
SHA256

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395
SHA512

ae8d783064d3b84ec390982cbe22e80d5f731f34179b7dd7e663c6ec98e8c627d3f917edbebfbe8f4b70b3ddf59293d55a7f2f164d62c81833bade67872b8e90
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIy:8g585LpPCrQt7F84IIIIIIIIIIIIIIIU

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

Processes:

spoolej.exespoolej.exe3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolej.exe"	spoolej.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolej.exe"	spoolej.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolej.exe"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exespoolej.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolej.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exespoolej.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolej.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Windows\spoolej.exe	aspack_v212_v242

Executes dropped EXE 2 IoCs

Processes:

spoolej.exespoolej.exe

pid process

2788 spoolej.exe
4492 spoolej.exe

pid	process
2788	spoolej.exe
4492	spoolej.exe

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Service Host = "C:\\Windows\\spoolej.exe"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

Drops file in Windows directory 32 IoCs

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exespoolej.exespoolej.exe

description	ioc	process
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
File opened for modification	C:\Windows\svchost.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Keygen.exe	spoolej.exe
File created	C:\Windows\svchost.exe	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe	spoolej.exe
File created	C:\Windows\spoolej.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Crack.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spoolej.exe
File created	C:\Windows\spoolej.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Crack.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Keygen.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe	spoolej.exe
File opened for modification	C:\Windows\spoolej.exe	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolej.exe
File created	C:\Windows\message.dat	spoolej.exe
File created	C:\Windows\message.htm	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe	spoolej.exe
File opened for modification	C:\Windows\svchost.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolej.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Keygen.exe	spoolej.exe
File created	C:\Windows\spoolej.exe	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolej.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Keygen.exe	spoolej.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

Processes:

spoolej.exespoolej.exe3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolej.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolej.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

Modifies data under HKEY_USERS 13 IoCs

Processes:

spoolej.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	spoolej.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	spoolej.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "5"	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spoolej.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spoolej.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 = 0100000000000000cabda335693cdb01	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	spoolej.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	spoolej.exe

Modifies registry class 12 IoCs

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

spoolej.exe

pid process

4492 spoolej.exe
4492 spoolej.exe

pid	process
4492	spoolej.exe
4492	spoolej.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe

description	pid	process	target process
PID 3024 wrote to memory of 2788	3024	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe	spoolej.exe
PID 3024 wrote to memory of 2788	3024	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe	spoolej.exe
PID 3024 wrote to memory of 2788	3024	3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe	spoolej.exe

C:\Users\Admin\AppData\Local\Temp\3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.exe
"C:\Users\Admin\AppData\Local\Temp\3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395.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:3024
- C:\Windows\spoolej.exe
  "C:\Windows\spoolej.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:2788

C:\Windows\spoolej.exe
C:\Windows\spoolej.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:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\spoolej.exe

Filesize
64KB

MD5
ba423cc966ae8f69bd093fc71b8e46ba

SHA1
d0087bc748dff59f79432a62619eeae8af2d67d4

SHA256
3d4a9735c7f333b3e2018a0894465fc910195ce40253cb667abe42bcabd3d395

SHA512
ae8d783064d3b84ec390982cbe22e80d5f731f34179b7dd7e663c6ec98e8c627d3f917edbebfbe8f4b70b3ddf59293d55a7f2f164d62c81833bade67872b8e90

Download Submit
memory/2788-7-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-58-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-31-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-23-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-25-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-27-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-72-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-29-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-66-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-21-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-70-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-60-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-62-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-64-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/3024-68-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4492-59-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4492-65-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4492-22-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4492-28-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads