1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2

Analysis

max time kernel
141s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 17:56

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General

Target

1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Size

62KB
MD5

fb7f1c3c694ea35946a1fe0415f882de
SHA1

c51196f374e9f21a7086f24929ab20a257432873
SHA256

1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2
SHA512

7e7ecea62af28573761848d2742aa9cff02e4dcfa74b3b918545ebd42add3b051e7afb4ef66e1fc900e8c917d18e1771175cbf80495334f3d26497556f707385
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIIIDIIIIIC: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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldi.exe"	spooldi.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldi.exe"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spooldi.exe"	spooldi.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spooldi.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spooldi.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000b000000023b84-3.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
1340	spooldi.exe
2444	spooldi.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\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.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\\spooldi.exe"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe

Drops file in Windows directory 32 IoCs

description	ioc	Process
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NetObjects Fusion v7.5 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\NetObjects Fusion v7.5 Crack.exe	spooldi.exe
File created	C:\Windows\spooldi.exe	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
File created	C:\Windows\svchost.exe	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
File created	C:\Windows\message.dat	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\TVTool v8.31 Crack.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Keygen.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Dragon NaturallySpeaking 8 ISO Multilanguage Keygen.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Keygen.exe	spooldi.exe
File opened for modification	C:\Windows\spooldi.exe	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
File created	C:\Windows\spooldi.exe	spooldi.exe
File opened for modification	C:\Windows\svchost.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spooldi.exe
File created	C:\Windows\message.htm	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee Personal Firewall Plus 2004 Crack.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\BearShare Pro 4.3.0 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Crack.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Keygen.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Nero Burning ROM v6.0.0.19 Ultra Edition Crack.exe	spooldi.exe
File created	C:\Windows\spooldi.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Norton Antispam 2004 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee SpamKiller 2004 Crack.exe	spooldi.exe
File opened for modification	C:\Windows\svchost.exe	spooldi.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\McAfee VirusScan Home Edition 2004 Crack.exe	spooldi.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	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spooldi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spooldi.exe

Modifies data under HKEY_USERS 13 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spooldi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	spooldi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	spooldi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	spooldi.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 = 01000000000000000929098d753bdb01	spooldi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "3"	spooldi.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2444	spooldi.exe
2444	spooldi.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 1340	2716	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe	85
PID 2716 wrote to memory of 1340	2716	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe	85
PID 2716 wrote to memory of 1340	2716	1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe	85

C:\Users\Admin\AppData\Local\Temp\1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.exe
"C:\Users\Admin\AppData\Local\Temp\1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2.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:2716
- C:\Windows\spooldi.exe
  "C:\Windows\spooldi.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:1340

C:\Windows\spooldi.exe
C:\Windows\spooldi.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:2444

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\spooldi.exe

Filesize
62KB

MD5
fb7f1c3c694ea35946a1fe0415f882de

SHA1
c51196f374e9f21a7086f24929ab20a257432873

SHA256
1ef6cd42023e9b6fca4168019bd49b8b3544a28541c041cd2c22e073ec1f9ab2

SHA512
7e7ecea62af28573761848d2742aa9cff02e4dcfa74b3b918545ebd42add3b051e7afb4ef66e1fc900e8c917d18e1771175cbf80495334f3d26497556f707385

Download Submit
C:\Windows\svchost.exe

Filesize
62KB

MD5
7254d1a1227808a7783f29d529d63e13

SHA1
2096f1d52eb3b83ad1786d0f9a8cf189db8e9224

SHA256
f40abc0b97eff886b7bcdeade62172ad9d84b3732553c2caa63d2c25f1ed6d94

SHA512
57b8311a2c411586fdb96acb90604281df30b3375f0ca900896c8f952fe6a4235dc493b0d04b4a6ec8e0a9a847a0303b848cd4c1bdd85f4c1b6c504aa4895624

Download Submit
memory/1340-7-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2444-42-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2444-34-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2444-69-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2444-63-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2444-57-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-33-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-60-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-43-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-46-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-56-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-39-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-58-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-41-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-62-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-37-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-64-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-66-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-68-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2716-35-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download