Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2024, 16:00
Static task
static1
Behavioral task
behavioral1
Sample
ab907c7f461d850c3e174a47acbde9e0N.exe
Resource
win7-20240705-en
General
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Target
ab907c7f461d850c3e174a47acbde9e0N.exe
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Size
490KB
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MD5
ab907c7f461d850c3e174a47acbde9e0
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SHA1
2eb799041805ec7e8de0d2347cbd95527ff55530
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SHA256
3236c8f5d603fbfb3c6e448dd966dca641fb60ef68ae128f6b3640f04b67aea4
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SHA512
7a5cd7f4d644b3962cf53d32670e145c69322c6e4fd3a48b7150cf26253dfbcabc0a4ab9b9ea7fec94141a4f8c9f8dab0303886164abdc2182136e35b7884e10
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SSDEEP
6144:LxCL8ow3omoizDbeRIDVp0zm2kdtA5KMco7PoFjdz53WbX7A/mXuH20uPr/MHPEN:LxczaFz3bewMRT56KDsY1uJCyxG
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ab907c7f461d850c3e174a47acbde9e0N.exe -
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation ab907c7f461d850c3e174a47acbde9e0N.exe -
Executes dropped EXE 1 IoCs
pid Process 212 s3057.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini s3057.exe File created C:\Windows\assembly\Desktop.ini s3057.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly s3057.exe File created C:\Windows\assembly\Desktop.ini s3057.exe File opened for modification C:\Windows\assembly\Desktop.ini s3057.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 636 1804 WerFault.exe 82 -
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 ab907c7f461d850c3e174a47acbde9e0N.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS ab907c7f461d850c3e174a47acbde9e0N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer ab907c7f461d850c3e174a47acbde9e0N.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1804 ab907c7f461d850c3e174a47acbde9e0N.exe 1804 ab907c7f461d850c3e174a47acbde9e0N.exe 212 s3057.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 212 s3057.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 212 s3057.exe 212 s3057.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1804 wrote to memory of 212 1804 ab907c7f461d850c3e174a47acbde9e0N.exe 86 PID 1804 wrote to memory of 212 1804 ab907c7f461d850c3e174a47acbde9e0N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\ab907c7f461d850c3e174a47acbde9e0N.exe"C:\Users\Admin\AppData\Local\Temp\ab907c7f461d850c3e174a47acbde9e0N.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\n3057\s3057.exe"C:\Users\Admin\AppData\Local\Temp\n3057\s3057.exe" ins.exe /e 12740290 /u 5280fe20-efa8-4c56-acec-17bc0a000013 /v "C:\Users\Admin\AppData\Local\Temp\ab907c7f461d850c3e174a47acbde9e0N.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 44682⤵
- Program crash
PID:636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1804 -ip 18041⤵PID:4692
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
284KB
MD556c3c0bea17637a46ab6d82507923e75
SHA1de31ef91d7568429b34a00b23c3b2be815417e2a
SHA256b5518025103fc369faed527131b8c09df89f58bad97674388b36291b96cbb13a
SHA512fb3c60e5bf4cf73ea6c101d3a811016a4d30bf467da9f412321d856de1d949bec9a11f3adaf1c7fb0238ddd429759a743de927a8181dd14eb2638ee52677d16c