Analysis
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max time kernel
104s -
max time network
107s -
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, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe
Resource
win10v2004-20240709-en
General
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Target
5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe
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Size
1.6MB
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MD5
5d73dc5f4e82f96dee0ad5bb1df8ebc0
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SHA1
066bd5ebd7adc20dffdf3632f3f102b9723b9ace
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SHA256
421ca9f61f11120a2cca1b98e4916c8b7b1741c3fa9f0d1ee2fad76fd220f683
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SHA512
aebc73b52a27288f2cb1ff70f2673663a2cf421f8678e75bfac6e63127c686d7f29d1c35d2140c5208e772ab19cf36635256ace901c2b7e21d6f29f9ae0497af
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SSDEEP
24576:rLILY8Xu/3y8UsG2BgYLicwnkgS0XCHdebUKyZURQ1TgjTc:cYrC8UsGuTwDCHdeQKyZURQ1EjTc
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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mls = "\"C:\\Users\\Admin\\AppData\\Roaming\\RAC\\mls.exe\" -s" 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.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 1 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 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000_Classes\Local Settings 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1788 WINWORD.EXE 1788 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE 1788 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4652 wrote to memory of 1788 4652 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe 88 PID 4652 wrote to memory of 1788 4652 5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe"C:\Users\Admin\AppData\Local\Temp\5d73dc5f4e82f96dee0ad5bb1df8ebc0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5d73dc5f4e82f96dee0ad5bb1df8ebc0N.docx" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD55d73dc5f4e82f96dee0ad5bb1df8ebc0
SHA1066bd5ebd7adc20dffdf3632f3f102b9723b9ace
SHA256421ca9f61f11120a2cca1b98e4916c8b7b1741c3fa9f0d1ee2fad76fd220f683
SHA512aebc73b52a27288f2cb1ff70f2673663a2cf421f8678e75bfac6e63127c686d7f29d1c35d2140c5208e772ab19cf36635256ace901c2b7e21d6f29f9ae0497af
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Filesize
18KB
MD51b90caa9a59a72737c055903630d93e9
SHA1bd449c861f9270f87171690b91b0e038c3ed5ecb
SHA256aa322ebf7c9cf796040a0e9a8395bb2c95958bce87d4baab1405a34c73b0edec
SHA51273a4d4b23a21fbd38e4452060ad473b93efa9930520cde1d073509cc9ec37b26b921eacd5b81ba396c8a7f033d2032ebe950d6925868725ad1e81adde6880e0b
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C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851218[[fn=gb]].xsl
Filesize262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84