Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:48
Static task
static1
Behavioral task
behavioral1
Sample
d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe
Resource
win10v2004-20220901-en
General
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Target
d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe
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Size
156KB
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MD5
af18c6061c183c632aa48659b13b88bf
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SHA1
b8794e1ce467f1f0291011e9bc8b8c74ffdb1c9a
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SHA256
d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875
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SHA512
d519ff7153641b0c3f1b0ba9dcb9af4f9b38d26ea000ea6f4112121050307744fd6490a276c3fb01c57457cb8453f81cacdfca3d6e263522b1a21512cf4824ab
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SSDEEP
3072:szTmvz+93fb75NUmfYQp/IRLsqd1pIecTH:sczA3T7wgYDs4pG
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
Processes:
dw20.exedescription 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.
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe 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 -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
dw20.exedescription 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
Processes:
dw20.exedescription pid process Token: SeRestorePrivilege 3956 dw20.exe Token: SeBackupPrivilege 3956 dw20.exe Token: SeBackupPrivilege 3956 dw20.exe Token: SeBackupPrivilege 3956 dw20.exe Token: SeBackupPrivilege 3956 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exedescription pid process target process PID 4896 wrote to memory of 3956 4896 d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe dw20.exe PID 4896 wrote to memory of 3956 4896 d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe dw20.exe PID 4896 wrote to memory of 3956 4896 d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe"C:\Users\Admin\AppData\Local\Temp\d5eefcffeae473c36847b4e38524f4b530d42d98bc9c90ebf1d4e843f1d2e875.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 8122⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3956