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Analysis
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max time kernel
145s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/11/2022, 01:27
Static task
static1
Behavioral task
behavioral1
Sample
ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
Resource
win10v2004-20220812-en
General
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Target
ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
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Size
216KB
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MD5
a421dd1b9061ab37b5f379d3f6da038c
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SHA1
fc3ccbf1570613a4f27e403593033a6d2e4616d0
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SHA256
ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85
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SHA512
f6f9e6604a6fbc757551f194765a9eefeb9df7ef8d266fdc7865384b22fbc6959076cacd45d646da552ffd3e1ed319834ff4415f2f8f093cde98dda1d3e4e76c
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SSDEEP
1536:9gG9hAmbzNhf3ldAmD+DJ2TXxz1kfmzJIbLiXQFcd6C+Xgb+1Eqmc9CJxuZA9/i6:9gGz/zTxIAjzMmObug+6BgbQEU
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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
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 6 IoCs
description pid Process Token: SeDebugPrivilege 4960 ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe Token: SeRestorePrivilege 2728 dw20.exe Token: SeBackupPrivilege 2728 dw20.exe Token: SeBackupPrivilege 2728 dw20.exe Token: SeBackupPrivilege 2728 dw20.exe Token: SeBackupPrivilege 2728 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4960 wrote to memory of 2728 4960 ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe 80 PID 4960 wrote to memory of 2728 4960 ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe 80 PID 4960 wrote to memory of 2728 4960 ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe"C:\Users\Admin\AppData\Local\Temp\ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 11202⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2728
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