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Analysis
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max time kernel
139s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 17:04
Behavioral task
behavioral1
Sample
91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe
Resource
win10v2004-20230915-en
General
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Target
91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe
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Size
3.8MB
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MD5
f74481a5086b025992285b39d176ba86
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SHA1
bdbc38e48f7441ad6355c9b92044175e6b4c0d63
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SHA256
91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265
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SHA512
cfda1c64ff8280f967e68373e6af3c61cc4267d5ee39a2588df3511950d93c7af4aba641e4f5aec627f741d429451b642b8706335a98ac4f014b1aaf688c0dfa
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SSDEEP
98304:UmXe6ygXLTjUy7nuaHr3dWa31XRbM5ZBYojqWk:UmuM3j17JhsvjqP
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 680 91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: 91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 680 91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe 680 91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe"C:\Users\Admin\AppData\Local\Temp\91fc7e6f543d75eb029777355435f14e939c5824bd70afc9de64db7dbc744265.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD52814acbd607ba47bdbcdf6ac3076ee95
SHA150ab892071bed2bb2365ca1d4bf5594e71c6b13b
SHA2565904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67
SHA51234c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498