Analysis
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max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 23:54
Behavioral task
behavioral1
Sample
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe
Resource
win10v2004-20241007-en
General
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Target
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe
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Size
64KB
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MD5
385e7b496b00ea29de872509cb29f5be
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SHA1
5d944b9957d54698cb0319a3e65362435ef5885b
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SHA256
8169d73b40ee6e81a7ab0bae2f3d761102d03877385d0fd2c26f972e9210ada9
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SHA512
9fa0973186c1577dea242a0df9b0a23c416da33e7a7f232678669fb0479ca4eec83a0ee21e97c6ce0768e461348740edfdcaefb3324e1572810f493e618c8ba2
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SSDEEP
1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIh:8g585LpPCrQt7F84IIIIIIIIIIIIIIIz
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 3 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exespooldj.exespooldj.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldj.exe" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldj.exe" spooldj.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldj.exe" spooldj.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exespooldj.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" spooldj.exe -
Disables RegEdit via registry modification 2 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exespooldj.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" spooldj.exe -
Processes:
resource yara_rule behavioral2/files/0x0008000000023c74-3.dat aspack_v212_v242 -
Executes dropped EXE 2 IoCs
Processes:
spooldj.exespooldj.exepid Process 2408 spooldj.exe 3640 spooldj.exe -
Modifies system executable filetype association 2 TTPs 8 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Service Host = "C:\\Windows\\spooldj.exe" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe -
Drops file in Windows directory 42 IoCs
Processes:
spooldj.exe1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exespooldj.exedescription ioc Process File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe spooldj.exe File created C:\Windows\spooldj.exe 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe File created C:\Windows\message.dat spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Keygen.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\ spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Keygen.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Keygen.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Keygen.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Microsoft Office System Professional V2003 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\ 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe File created C:\Windows\spooldj.exe spooldj.exe File opened for modification C:\Windows\svchost.exe spooldj.exe File created C:\Windows\message.htm spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Borland C++ BuilderX 1.0 Enterprise Edition Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 Keygen.exe spooldj.exe File opened for modification C:\Windows\spooldj.exe 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe File created C:\Windows\spooldj.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton AntiVirus 2004 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Crack.exe spooldj.exe File opened for modification C:\Windows\svchost.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton SystemWorks 2004 Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe spooldj.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\iMesh 4.2 Ad Remover Crack.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NHL 2004 Keygen.exe spooldj.exe File created C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Crack.exe spooldj.exe File created C:\Windows\svchost.exe 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe File opened for modification C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\ spooldj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exespooldj.exespooldj.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spooldj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spooldj.exe -
Modifies data under HKEY_USERS 13 IoCs
Processes:
spooldj.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion spooldj.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies spooldj.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 = 01000000000000006d505aa7703cdb01 spooldj.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "2" spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced spooldj.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" spooldj.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System spooldj.exe -
Modifies registry class 12 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*" 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
spooldj.exepid Process 3640 spooldj.exe 3640 spooldj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exedescription pid Process procid_target PID 716 wrote to memory of 2408 716 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe 83 PID 716 wrote to memory of 2408 716 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe 83 PID 716 wrote to memory of 2408 716 1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.dat-decoded.exe"C:\Users\Admin\AppData\Local\Temp\1732233184b4811bba0d47744362d41bafc1a303d700cc8709c5e216f86dee4148689507cc512.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:716 -
C:\Windows\spooldj.exe"C:\Windows\spooldj.exe" -xInstallOurNiceServicesYes2⤵
- 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:2408
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C:\Windows\spooldj.exeC:\Windows\spooldj.exe -xStartOurNiceServicesYes1⤵
- 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:3640
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4Replay Monitor
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Downloads
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Filesize
64KB
MD5385e7b496b00ea29de872509cb29f5be
SHA15d944b9957d54698cb0319a3e65362435ef5885b
SHA2568169d73b40ee6e81a7ab0bae2f3d761102d03877385d0fd2c26f972e9210ada9
SHA5129fa0973186c1577dea242a0df9b0a23c416da33e7a7f232678669fb0479ca4eec83a0ee21e97c6ce0768e461348740edfdcaefb3324e1572810f493e618c8ba2