5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889

Analysis

max time kernel
94s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 12:19

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General

Target

5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Size

2.2MB
MD5

400993627dd934f64df7a510b15adb90
SHA1

f97fcb1e3a3962904720690380b744a721e38571
SHA256

5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889
SHA512

4bb53a48442795a5fdedb56a772e9f82c50b850a128a3630d3ee84c94e54f12b806a98c987cfb7c74a4a1c3bf529a3136a8dacfb4e8b453fb370861377364a57
SSDEEP

49152:YuSn1hfOtb0u+1Gtmtjg/3JhFzRFuWHC6pd:W1hf9tpjA3JHNhHCkd

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVendor	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosDate	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Bios	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
604	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	604	5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe

C:\Users\Admin\AppData\Local\Temp\5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe
"C:\Users\Admin\AppData\Local\Temp\5a7524f15aaf9ed70dc4fd842e951471c0b99852fe71bd5aa4302bffdc56b889N.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:604