Overview
overview
10Static
static
3XWorm.rar
windows7-x64
10ComponentF...it.dll
windows7-x64
1ComponentF...it.pdb
windows7-x64
3D3DX9_43.dll
windows7-x64
1Krypton.Toolkit.dll
windows7-x64
1Mono.Cecil.dll
windows7-x64
1Mono.Nat.dll
windows7-x64
1VMProtectSDK64.lib
windows7-x64
3Vestris.Re...ib.dll
windows7-x64
1XWorm.xml
windows7-x64
1XWorm.exe
windows7-x64
10imgui.ini
windows7-x64
1Analysis
- max time kernel
121s - max time network
131s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
16/05/2024, 18:59
Static task
static1
Behavioral task
behavioral1
Sample
XWorm.rar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ComponentFactory.Krypton.Toolkit.dll
Resource
win7-20240220-en
Behavioral task
behavioral3
Sample
ComponentFactory.Krypton.Toolkit.pdb
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
D3DX9_43.dll
Resource
win7-20240419-en
Behavioral task
behavioral5
Sample
Krypton.Toolkit.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
Mono.Cecil.dll
Resource
win7-20240508-en
Behavioral task
behavioral7
Sample
Mono.Nat.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
VMProtectSDK64.lib
Resource
win7-20240221-en
Behavioral task
behavioral9
Sample
Vestris.ResourceLib.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
XWorm.xml
Resource
win7-20240220-en
Behavioral task
behavioral11
Sample
XWorm.exe
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
imgui.ini
Resource
win7-20231129-en
General
- Target ComponentFactory.Krypton.Toolkit.pdb
- Size 6.6MB
- Sample240516-xnb3csbc87
- SHA256 5d48ad683e71d8a28f8b0f75952ddcfac127850fae74f2fdff500278e6a66a4c
- MD5 5a3085fdd24c102f3d466ac92b8aaa17
- SHA1 c0eaaa892b3af3133c0dc0d20d96055817442260
- SHA512 dd20f74f9b74c4a7b03f96e969d764ccc6df33a772d34e0b7b4aea3d4913a8fee8b360ccdd51be57ceec414f13060c70c33419d75af95fc768b1632d6e8264ef
- SSDEEP 24576:xmMS2ySy5WenpDs/rUlFftAzngc5p66hNepJ6i2lA2Nc/YpvNyUV:NFOpJIJ9yG
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pdb\ = "pdb_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pdb rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pdb_auto_file\shell rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2620 AcroRd32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2620 AcroRd32.exe 2620 AcroRd32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2256 wrote to memory of 2608 2256 cmd.exe 29 PID 2256 wrote to memory of 2608 2256 cmd.exe 29 PID 2256 wrote to memory of 2608 2256 cmd.exe 29 PID 2608 wrote to memory of 2620 2608 rundll32.exe 30 PID 2608 wrote to memory of 2620 2608 rundll32.exe 30 PID 2608 wrote to memory of 2620 2608 rundll32.exe 30 PID 2608 wrote to memory of 2620 2608 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ComponentFactory.Krypton.Toolkit.pdb1⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ComponentFactory.Krypton.Toolkit.pdb2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\ComponentFactory.Krypton.Toolkit.pdb"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2620
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
- Size 3KB
- SHA256 807c3a5828cc585ef7f50685dc5110973d353569ab1d695ba8b45e470197f267
- MD5 620b52520a28ec2d797fd6e17c611340
- SHA1 354051c01c1e1f27d6dfc173b7bc9f8683baf79f
- SHA512 83827c998a0ebaa302ff8805cecf3ae5c18f31b96c0684ef82c9a21e9489eda892c1f8a6475933913df6f055ace43a0163d771187521ddab0b950b19e9d6de33
- MD5 SHA1 SHA512