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Analysis
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max time kernel
120s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 18:31
Static task
static1
Behavioral task
behavioral1
Sample
3f8c327582abbbf2ede92307f03c1c80N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3f8c327582abbbf2ede92307f03c1c80N.exe
Resource
win10v2004-20240709-en
General
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Target
3f8c327582abbbf2ede92307f03c1c80N.exe
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Size
42KB
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MD5
3f8c327582abbbf2ede92307f03c1c80
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SHA1
0d43cf467f3a62e631d72706e85e0f7ba51e4fc7
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SHA256
58c9753dced9e0adbd28ee05beb6759073610b8bd6d59bafb37a038ee387743c
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SHA512
3fcbbf90c8cf7a10d522df70d09f58f0ad4c18b1131fac0bd1ff80b571b63b64de5f6238ff98eb8548b28f67c41cd70faf5e2d3e5350e665da83318721d891f4
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SSDEEP
768:dYGtdtFR6M13vfdHldhwyEr+OGa0aEYS1y9YaPQI:GIUM13vfdHldhwt+OGa01oiaPQI
Malware Config
Signatures
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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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation 3f8c327582abbbf2ede92307f03c1c80N.exe -
Executes dropped EXE 1 IoCs
pid Process 4952 updGA.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f8c327582abbbf2ede92307f03c1c80N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language updGA.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2992 wrote to memory of 4952 2992 3f8c327582abbbf2ede92307f03c1c80N.exe 87 PID 2992 wrote to memory of 4952 2992 3f8c327582abbbf2ede92307f03c1c80N.exe 87 PID 2992 wrote to memory of 4952 2992 3f8c327582abbbf2ede92307f03c1c80N.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\3f8c327582abbbf2ede92307f03c1c80N.exe"C:\Users\Admin\AppData\Local\Temp\3f8c327582abbbf2ede92307f03c1c80N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\updGA.exe"C:\Users\Admin\AppData\Local\Temp\updGA.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD57b24ca9801bd7c9bf712abea78775dfd
SHA11e62f44100be9772400d6c6a35faa3296def4a79
SHA256e3ef8cf0b50edf2f978e4a5b7c511ab2d2ad2c1ade6dba2bdcddd05c0f1e239d
SHA5122552fc5f0f6bd1a2ebd0c3797623003ea494652b871825e271bbd4d4bcd9ba5c23cd24600bcc51f8fc1417bc97bc0ee4fe6c2bc8855e12936a645cd7cfafc3b4