Analysis
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max time kernel
125s -
max time network
128s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
05-01-2025 12:42
Behavioral task
behavioral1
Sample
WinLocker Builder v1.4.exe
Resource
win10ltsc2021-20241211-en
windows10-ltsc 2021-x64
4 signatures
150 seconds
General
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Target
WinLocker Builder v1.4.exe
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Size
699KB
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MD5
81dd862410af80c9d2717af912778332
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SHA1
8f1df476f58441db5973ccfdc211c8680808ffe1
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SHA256
60e76eda46185d1d2e9463d15e31d4c87eb03535d368cc3471c55992bc99ad5f
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SHA512
8dd014b91fb1e2122d2e4da444db78dd551513c500d447bb1e94ceb7f2f8d45223a8a706e2156102f8c8850d2bb02ae6b8ea0c9282abd7baaa2c84130112af15
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SSDEEP
12288:0L/xX5KVeOnuH/u1Wig295xsmVXf6AaQLmEc+pdmWSwIHUOS6Vp:0bxpUz13g27raQmEcomWSHHUD
Score
10/10
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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ModiLoader Second Stage 2 IoCs
resource yara_rule behavioral1/memory/1168-2-0x0000000000400000-0x0000000000545000-memory.dmp modiloader_stage2 behavioral1/memory/1168-5-0x0000000000400000-0x0000000000545000-memory.dmp modiloader_stage2 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WinLocker Builder v1.4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\WinLocker Builder v1.4.exe"C:\Users\Admin\AppData\Local\Temp\WinLocker Builder v1.4.exe"1⤵
- System Location Discovery: System Language Discovery
PID:1168
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=4556,i,15446853199651160304,16979033243148495184,262144 --variations-seed-version --mojo-platform-channel-handle=1064 /prefetch:81⤵PID:3792
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=1308,i,15446853199651160304,16979033243148495184,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:81⤵PID:4800