dfbbc09b63f105f414ac5d38be6504bd828d9bd64a63bbe44178e7b7236e4987

Analysis

max time kernel
899s
max time network
459s
platform
windows11-21h2_x64
resource
win11-20260130-es
resource tags

arch:x64arch:x86image:win11-20260130-eslocale:es-esos:windows11-21h2-x64systemwindows
submitted
26/04/2026, 04:39

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General

Target
fastflag_injector_gui_enhanced.exe
Size 131KB
Sample260426-e9416adw6w
SHA256 dfbbc09b63f105f414ac5d38be6504bd828d9bd64a63bbe44178e7b7236e4987
MD5 9c2b21bc2ecd88ecee9d19d632848891
SHA1 d11fea650ac55a206abf2fcc051745f9e41353aa
SHA512 9ce77c6c615eddd1f98f5e2cc56fc2f41b071bb212d28069cfc71ac359c81029fa3aa7eec920bfbe11f02dfd6f9b16a1aba88ce84278bffade64a738ae5ed8ce
SSDEEP 3072:k3ZTBss7PK8H/REMnC0L8BaI/Ya1nM0RMvXSYo:kp9Ne8fRESJ8BhYa19RVYo
TLSH
T1BED34B2ABA59106DD27AC4B8CA530513EB727C860760A7DF63909DB10F229D4FF7BB01
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 21 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	fastflag_injector_gui_enhanced.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	fastflag_injector_gui_enhanced.exe
Key created	\Registry\User\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\NotificationData	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	fastflag_injector_gui_enhanced.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	fastflag_injector_gui_enhanced.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	fastflag_injector_gui_enhanced.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	fastflag_injector_gui_enhanced.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1048	fastflag_injector_gui_enhanced.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1048	fastflag_injector_gui_enhanced.exe

C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced.exe
"C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1048

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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