Resubmissions
24/08/2026, 00:20
260824-am723sbq6v924/08/2026, 00:17
260824-ak9swsbq4v724/08/2026, 00:16
260824-akyevsbq21924/08/2026, 00:11
260824-ag12ksbf349Analysis
- user interaction
yes - max time kernel
14s - max time network
16s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/08/2026, 00:16
Static task
static1
Behavioral task
behavioral1
Sample
loader.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
loader.exe
Resource
win11ltsc2024-20260709-en
General
- Target loader.exe
- Size 34KB
- Sample260824-akyevsbq21
- SHA256 946e205ec9956cfbd6366d50df18462b077289cd35f3b5478fdf7bb001f81501
- MD5 7cbc92070d125641267703b8797da08c
- SHA1 796ed021daaab15613adfa11c23189849565ea82
- SHA512 25277992f24483b2b892519f9bbac0670f99426d5f89700eed05df348012f093cbd0cf16686519534606cd3736401a017a5956180f89a5b689a2778d80492801
- SSDEEP 768:Y0UYTAT59oE06/XRoKC54MzFVetoqBSZzB:LAd9oERPCKW4MvetoF
- TLSH T1D5F2F84F739358EDC91AD178E5FA8371E9B1FC6209745E3E8350C2760E34A908A7DA4B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
- Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Loads dropped DLL 9 IoCs
pid Process 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found 2296 Process not Found - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\PP6xe4e9a9ma59cgb4jhx87_nuc.TMP printfilterpipelinesvc.exe File created C:\Windows\System32\spool\drivers\color\evil_com.dll loader.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2388 cmd.exe - Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
- Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32\ThreadingModel = "Apartment" loader.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5} loader.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32 loader.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656} rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32\ = "C:\\Windows\\System32\\spool\\drivers\\color\\evil_com.dll" loader.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16" rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1" rundll32.exe - Runs net.exe
- Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2984 rundll32.exe 2984 rundll32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4928 wrote to memory of 2388 4928 loader.exe 86 PID 2388 wrote to memory of 2984 2388 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\loader.exe"C:\Users\Admin\AppData\Local\Temp\loader.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c rundll32 printui.dll,PrintUIEntry /k /n "Microsoft Print to PDF"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\system32\rundll32.exerundll32 printui.dll,PrintUIEntry /k /n "Microsoft Print to PDF"3⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2984
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1684
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
PID:4544
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4316
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:4840
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:1056
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:4672
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4944
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:1876
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4896
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:3680
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4772
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:3356
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4448
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:3096
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:1836
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:4332
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:1716
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:2500
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:4248
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrators guy /add2⤵PID:3336
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:3332
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:960
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:3056
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:3372
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:3348
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:2028
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:1840
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:3708
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C:\Windows\system32\net.exenet localgroup administrators guy /add1⤵PID:2892
Network
MITRE ATT&CK Enterprise v16
Persistence
Account Manipulation
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Account Manipulation
1Event Triggered Execution
1Component Object Model Hijacking
1Replay Monitor
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Downloads
- Path C:\Windows\System32\spool\drivers\color\evil_com.dll
- Size 14KB
- SHA256 80c6b7c05c1a52194bed2b0fe08a55c783ac34fa996eb201c442e29073132924
- MD5 9677e6b0061c4f2e91fce9cfbae1d91b
- SHA1 1bb5ba4a6aee0b44f672867dc943cbd167c572a0
- SHA512 a717d5f5ffcd101072b0c6acddb6ef4a7d325d4bea11d6c3a5d3f95dc7f198dd511d135bc4dcc8b26e5878b888bb1be9e99293331c4af809d186af16f4a6d69c
- SSDEEP 192:4Rn/lZ806KQ4wQAyyXRJKHG8ye6TjM+g46aYiCdWR3yX:0E06t48XRUj0AcCdWRC
- TLSH T15062C68FB7D3A8B9CE1AD274D5FB4735F5B1BC6108286E3F01A9C2724E74640423DA1A
- MD5 SHA1 SHA512 SSDEEP TLSH