Analysis
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max time kernel
143s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11/05/2023, 18:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
WLANOptimizer.exe
Resource
win7-20230220-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
WLANOptimizer.exe
Resource
win10v2004-20230220-en
5 signatures
150 seconds
General
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Target
WLANOptimizer.exe
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Size
106KB
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MD5
e998f77c0943056319a6a46c330606a4
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SHA1
f69f38d17a6b97d75a479d584d07e49fa43bf29d
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SHA256
c154ec2d62ecbdab62fd4fdf97157ff93efbc1640871a68bca38e43dad55d2b4
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SHA512
484424d5edb1574e0f5aef981995dc852ba277a3dfbeb9542aabe56cf4b8a7df8e4a75742829399d63278d328616f39d8df780f1e57f89930848515b228dfb28
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SSDEEP
1536:5/tmdEb3KQHXPUel8WV17Mq4ahXu/nNPzzlK9HXXCUc1Wm/nps8F7Yq8Ih:3mMvqq4fnNQXCrWm/npsMp
Score
4/10
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeRestorePrivilege 4480 dw20.exe Token: SeBackupPrivilege 4480 dw20.exe Token: SeBackupPrivilege 4480 dw20.exe Token: SeBackupPrivilege 4480 dw20.exe Token: SeBackupPrivilege 4480 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 448 wrote to memory of 4480 448 WLANOptimizer.exe 82 PID 448 wrote to memory of 4480 448 WLANOptimizer.exe 82 PID 448 wrote to memory of 4480 448 WLANOptimizer.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\WLANOptimizer.exe"C:\Users\Admin\AppData\Local\Temp\WLANOptimizer.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 9162⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4480
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