Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06-03-2024 00:32
Static task
static1
Behavioral task
behavioral1
Sample
248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe
Resource
win10v2004-20240226-en
General
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Target
248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe
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Size
197KB
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MD5
6d326566d2c7668885fa6c16ed1161ad
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SHA1
0e01ffec3107fd51427371e04c86fdacc4e8811b
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SHA256
248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07
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SHA512
130fb84613c68a690345580d59ebb56d7e4701f4f545503c2a28e8f8f4a356ca6040fe43f241663f2010383970107f90de3c457ada194cee2a377f32f13c78ab
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCON:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXo
Malware Config
Signatures
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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 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe -
Executes dropped EXE 1 IoCs
pid Process 1596 foohost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Debug\foohost.exe 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe File created C:\Windows\Debug\foohost.exe 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 foohost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz foohost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4520 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4520 wrote to memory of 1996 4520 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe 101 PID 4520 wrote to memory of 1996 4520 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe 101 PID 4520 wrote to memory of 1996 4520 248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe"C:\Users\Admin\AppData\Local\Temp\248f2cdd038b1992d9279dd4c53f7c16e18421cca471b95faccad1638829df07.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\248F2C~1.EXE > nul2⤵PID:1996
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C:\Windows\Debug\foohost.exeC:\Windows\Debug\foohost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1596
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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=3624 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:5044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
197KB
MD539bd2c85a76128bfbef1f58c34872c8c
SHA12266b629e9dff8d0af43e2b26014e6db93520ead
SHA256064a3e7e4d5d98c0985e33d74051aaf1cf566e6c3149444d58f739d7192e5b28
SHA512c5050e108574bf13850a35015a5b1dc9f4142c94383c204eb80146a1200c1e3b7bd0fd31ef19beae6ad78b52e38e80dd3ed0930e86c523869ee60dc83a883f2e