Analysis
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max time kernel
173s -
max time network
302s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
12/11/2022, 22:35
Static task
static1
Behavioral task
behavioral1
Sample
efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe
Resource
win7-20220901-en
General
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Target
efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe
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Size
2.2MB
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MD5
3aad6e79569fcc68f0b8530225e08743
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SHA1
e1247952bedea6d68c471b779d673167d5e1d774
-
SHA256
efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1
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SHA512
b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d
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SSDEEP
49152:Il8pLho6EEJZHFqdBiNz0ywwO++wddZHyo:8ULxEaHr0ywwO+RZHyo
Malware Config
Extracted
systembc
cryptotab.me:4001
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ lgna.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ lgna.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe -
Executes dropped EXE 2 IoCs
pid Process 4728 lgna.exe 4168 lgna.exe -
Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion lgna.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion lgna.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion lgna.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion lgna.exe -
Identifies Wine through registry keys 2 TTPs 3 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Wine efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe Key opened \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Wine lgna.exe Key opened \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Wine lgna.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2700 efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe 4728 lgna.exe 4168 lgna.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Tasks\lgna.job efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe File opened for modification C:\Windows\Tasks\lgna.job efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2700 efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe 2700 efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe 2700 efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe 2700 efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe 4728 lgna.exe 4728 lgna.exe 4168 lgna.exe 4168 lgna.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe"C:\Users\Admin\AppData\Local\Temp\efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2700
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C:\ProgramData\ewxi\lgna.exeC:\ProgramData\ewxi\lgna.exe start21⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4728
-
C:\ProgramData\ewxi\lgna.exeC:\ProgramData\ewxi\lgna.exe start21⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4168
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
2.2MB
MD53aad6e79569fcc68f0b8530225e08743
SHA1e1247952bedea6d68c471b779d673167d5e1d774
SHA256efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1
SHA512b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d
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Filesize
2.2MB
MD53aad6e79569fcc68f0b8530225e08743
SHA1e1247952bedea6d68c471b779d673167d5e1d774
SHA256efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1
SHA512b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d
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Filesize
2.2MB
MD53aad6e79569fcc68f0b8530225e08743
SHA1e1247952bedea6d68c471b779d673167d5e1d774
SHA256efb2b92a9ad40fb2d039fed04162ec421d3fd4bcd86adedbcb52d03ed5b742c1
SHA512b30938d0210f9864f1165348f7bdbc1b6732687e8ee4a013b2c53f0ca0d212f8722cc8c6c4c187645f04d614cf2a21707869812c04ff551057f4d969141ab50d