e531757a5d30a7ebb3c64304641acb9f2b475fb207e0e8b59bd995226682222f

General

Target

17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Size

64KB
MD5

04e6b5760c4b7ce8217375ba3ce7914a
SHA1

dd6a17ad99eb90a623db5b4cbed4e1faf6587523
SHA256

e531757a5d30a7ebb3c64304641acb9f2b475fb207e0e8b59bd995226682222f
SHA512

2f68ae2b06bbf8fda80e185e616ceb65afe7a2be1c2e53e2326df70de1a2d39504ceb4669abca36c97e99b679622943321c11f99b03fe4ebbbc2eddf4b41d729
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIN:8g585LpPCrQt7F84IIIIIIIIIIIIIIIT

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 spoolgn.exe"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolgn.exe"	spoolgn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolgn.exe"	spoolgn.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolgn.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolgn.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000f000000023a30-3.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
4456	spoolgn.exe
2396	spoolgn.exe

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.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\\spoolgn.exe"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe

Drops file in Windows directory 28 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Keygen.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Keygen.exe	spoolgn.exe
File created	C:\Windows\spoolgn.exe	spoolgn.exe
File created	C:\Windows\message.htm	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Crack.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Keygen.exe	spoolgn.exe
File created	C:\Windows\svchost.exe	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Keygen.exe	spoolgn.exe
File opened for modification	C:\Windows\svchost.exe	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Halo Keygen.exe	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Crack.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Crack.exe	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Keygen.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Keygen.exe	spoolgn.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolgn.exe
File opened for modification	C:\Windows\spoolgn.exe	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolgn.exe
File created	C:\Windows\spoolgn.exe	spoolgn.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Crack.exe	spoolgn.exe
File created	C:\Windows\spoolgn.exe	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Keygen.exe	spoolgn.exe
File created	C:\Windows\message.dat	spoolgn.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	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolgn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolgn.exe

Modifies data under HKEY_USERS 13 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spoolgn.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 = 0100000000000000434adb13653cdb01	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	spoolgn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	spoolgn.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	spoolgn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolgn.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "6"	spoolgn.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2396	spoolgn.exe
2396	spoolgn.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 4456	812	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe	84
PID 812 wrote to memory of 4456	812	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe	84
PID 812 wrote to memory of 4456	812	17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe	84

C:\Users\Admin\AppData\Local\Temp\17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\17322268314a51a39ac2777728622eba6f0e0ffb4d9a43e754cf43e17710963c83922a9d03611.dat-decoded.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:812
- C:\Windows\spoolgn.exe
  "C:\Windows\spoolgn.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:4456

C:\Windows\spoolgn.exe
C:\Windows\spoolgn.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:2396

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\spoolgn.exe

Filesize
64KB

MD5
04e6b5760c4b7ce8217375ba3ce7914a

SHA1
dd6a17ad99eb90a623db5b4cbed4e1faf6587523

SHA256
e531757a5d30a7ebb3c64304641acb9f2b475fb207e0e8b59bd995226682222f

SHA512
2f68ae2b06bbf8fda80e185e616ceb65afe7a2be1c2e53e2326df70de1a2d39504ceb4669abca36c97e99b679622943321c11f99b03fe4ebbbc2eddf4b41d729

Download Submit
memory/812-44-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-64-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-41-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-33-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-35-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-37-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-39-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-62-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-60-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-31-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-58-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-52-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-54-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/812-56-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2396-53-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2396-59-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2396-32-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2396-40-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4456-7-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads