Analysis
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max time kernel
11s -
max time network
14s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2022 17:47
Static task
static1
Behavioral task
behavioral1
Sample
af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe
Resource
win10v2004-20220812-en
General
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Target
af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe
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Size
32KB
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MD5
b8e8d6e56c86cb32eae2e3440a2b30a1
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SHA1
0af9c6d368d88d3ea56a572ceac1a4544ffbdbfe
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SHA256
af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc
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SHA512
dcb68d0483c09a6fd1c35879c26545180590edbe9ebb1467a5f05ee3318750e6a8a53df665d8b6e1a38699f40a48187e93c796869a82943c2c25e1a3add4c2bf
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SSDEEP
768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rPjaxz:GY9jw/dUT62rGdiUOWWr7aF
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
pid Process 4792 szgfw.exe -
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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4968 wrote to memory of 4792 4968 af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe 82 PID 4968 wrote to memory of 4792 4968 af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe 82 PID 4968 wrote to memory of 4792 4968 af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe"C:\Users\Admin\AppData\Local\Temp\af4796a69bd09a7af59e71f11f64c986f213a368e473853b527ffc88fc163bcc.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:4792
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
32KB
MD58caff4a000ac3354235d2edd235d81fb
SHA1aca21691cef7f4bdf3bdf7aa444d5fab0c59213a
SHA2561cb82a231d77073603464b446e3679de9ea9956b650c7a928fdaadd2ee4e99c3
SHA5121fa6a6ce2c93119418e324432a7959a7cc018dc25b703a2cb4f43cd4d002487eda01cb3b2136d169cc8a48a755770546cd54ab22b4275d374b32fd2ff469d04a
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Filesize
32KB
MD58caff4a000ac3354235d2edd235d81fb
SHA1aca21691cef7f4bdf3bdf7aa444d5fab0c59213a
SHA2561cb82a231d77073603464b446e3679de9ea9956b650c7a928fdaadd2ee4e99c3
SHA5121fa6a6ce2c93119418e324432a7959a7cc018dc25b703a2cb4f43cd4d002487eda01cb3b2136d169cc8a48a755770546cd54ab22b4275d374b32fd2ff469d04a