Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-02-2024 08:41
Static task
static1
Behavioral task
behavioral1
Sample
c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe
Resource
win10v2004-20240226-en
General
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Target
c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe
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Size
3.0MB
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MD5
38d21e44c8fd5b9eb1ae599923a74eb8
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SHA1
2e61851e404ea16c6f0f2bfecca90bd71f96aaa8
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SHA256
c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52
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SHA512
3bd8ed8b492febb47773d67f3eaf58b8fecd9b9b0958de997b1bba544c2acb11fcb9d3a55505d1326fb24e5549ccafc8fbbbdf63268365bd6de0b980683b4ac5
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SSDEEP
24576:dwA7XDxCyXvdCiBlqbTwHKdCu1Dl33wb1ajC4Ky3xyuTfVHl3n:dwGDx1lOT4KdCuDHwb0X3nDbn
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\checkwritepermissions.exe c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe"C:\Users\Admin\AppData\Local\Temp\c437346611c90ab7588afc79f0a819f900614a758a0846be978bb7caef222f52.exe"1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Enumerates system info in registry
PID:3356
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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=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵PID:3340