Analysis
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max time kernel
144s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 12:59
Behavioral task
behavioral1
Sample
Attachments.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Attachments.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Attachments.lnk
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Attachments.lnk
Resource
win10v2004-20240226-en
General
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Target
Attachments.lnk
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Size
1KB
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MD5
cac3161c21fc24e8530ad189835f7d68
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SHA1
f58e9d6ade2e933bb379ce5fb44e0fa4c598ba63
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SHA256
96a0a7ee73984d9a2ed785ff822d090549769c16feed09d31322d9a36f53f856
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SHA512
f961379e0d9085911f0dcee94521ded6aab34babb9ab824db221256d3f73bcbcab7795ddf26f5d11c80a7e15948c68241fab2e83ad2e678088045d65528e9a41
Malware Config
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 1 3928 rundll32.exe 47 3928 rundll32.exe 62 3928 rundll32.exe 71 3928 rundll32.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4628 wrote to memory of 3928 4628 cmd.exe 96 PID 4628 wrote to memory of 3928 4628 cmd.exe 96
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Attachments.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" Attachments.dat,ProcessLoad2⤵
- Blocklisted process makes network request
PID:3928
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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 --no-appcompat-clear --mojo-platform-channel-handle=3272 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:3580