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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 04:57
Static task
static1
Behavioral task
behavioral1
Sample
f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe
Resource
win10v2004-20240426-en
General
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Target
f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe
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Size
56KB
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MD5
366b0b111f9c1e054e3a559e563d10aa
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SHA1
c3538490abcd431ebf6f8450201d28d43b5ee668
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SHA256
f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d
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SHA512
308134b03ea1f4cb7eca1dc9e8d231ff64a9ae8e0afe58c292abe427d5e6f1dbf2409d9958e817fa13257a5faafea002013678e8126048bcf5c1ad91a5844683
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SSDEEP
768:75wRI7PsED3VK2+ZtyOjgO4r9vFAg2rqrINT0qxn0GVkpkY/6Kf2OGx:+wYTjipvF2N0qxdkpkwZXGx
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation hcbnaf.exe -
Executes dropped EXE 1 IoCs
pid Process 3144 hcbnaf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1612 wrote to memory of 3144 1612 f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe 82 PID 1612 wrote to memory of 3144 1612 f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe 82 PID 1612 wrote to memory of 3144 1612 f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe"C:\Users\Admin\AppData\Local\Temp\f4fe38f1dde79b4346d154d6c849d909adc7b8b9d90d7f15051f15de7992d85d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:3144
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5da9f0d59018c70035803ed9e2bb38808
SHA186fc67a19d5ae46b490ccb3022331004296e689f
SHA256e0270ebb234ac1b00dc415ecf771bae4c35841c85b068b2b6a992f0c975d33f4
SHA512a97e36e8c4cbcf7fd6fb58473c67173ce2601caa0c2e514b3636a45fed21173a719222a793edb02baab3e79357c7758121d548c9fefb118c8bf250b09de2fad0