b2638f1fb2e824ee67668f971eb407f66ecb67266df8f337c6798b4780ce4a80

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/05/2026, 23:29

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General

Target
fastflag_injector_gui_enhanced1.exe
Size 267KB
Sample260528-3gpyjad13m
SHA256 b2638f1fb2e824ee67668f971eb407f66ecb67266df8f337c6798b4780ce4a80
MD5 2bd43119b30b514fddd1e2ece79cc6e2
SHA1 66e3b650684c11f20d448584f2afa9405e4ab612
SHA512 428f2933555089ba50db75a134341297d80054fd435451c00ddfd7c219fddc1a51d4ba535ae70ced12c8eb2b5faf4dd8e5cf62c4ffd6ec122ad6378f55ced340
SSDEEP 3072:8D8QaxqVO1TOF3yrZuJACbHgQApKjV3WLm17c7kkbcFilTiWLKYdiaNT6V4GlJ2E:+aT1SFiCKLm17c7ONaQV3p53
TLSH
T13144B51FEAA658E1D8B6C038D153B13FF8B074A6837197D797815A070B62BE4E83E750
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 34 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0"	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1"	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	fastflag_injector_gui_enhanced1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	fastflag_injector_gui_enhanced1.exe
Key created	\Registry\User\S-1-5-21-125073035-2952146151-721812867-1000_Classes\NotificationData	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16"	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	fastflag_injector_gui_enhanced1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	fastflag_injector_gui_enhanced1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	fastflag_injector_gui_enhanced1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	fastflag_injector_gui_enhanced1.exe
Key created	\REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	fastflag_injector_gui_enhanced1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4736	fastflag_injector_gui_enhanced1.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4736	fastflag_injector_gui_enhanced1.exe
4736	fastflag_injector_gui_enhanced1.exe
4736	fastflag_injector_gui_enhanced1.exe
4736	fastflag_injector_gui_enhanced1.exe

C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced1.exe
"C:\Users\Admin\AppData\Local\Temp\fastflag_injector_gui_enhanced1.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4736

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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