neshta | eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 07:11

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General

Target

eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Size

9.5MB
MD5

e41f3a29ca07952e1662819f0e835e10
SHA1

8556e8a459ce836608dabbf6d233349e54ca0cf1
SHA256

eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592b
SHA512

9abdf193a81aa145fe0146b37ab66e90a580dd0733a3f73baf48c0317343004d293125ef9a375b0759d9de91cbd2de3d019c338d25becb330c74ca5be3ea51f2
SSDEEP

196608:jSxCXFu0XtVa4c1kOcbx8+CwTVlj0Ovq8EccovnaW6f8WnsLt+V:9XFxI4c10TTzIh8EcZE8WnC4

Score

10^/10

neshta bootkit discovery evasion persistence spyware stealer trojan

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-10.dat	family_neshta
behavioral1/memory/2508-474-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2508-478-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta

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	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Loads dropped DLL 2 IoCs

pid	Process
2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.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	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\ = "MQL4 Source File"	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3582-490\\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe,3"	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mq4\ShellNew	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\shell	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\shell\open	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\shell\open\command	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\ShellNew	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mq4\ = "MQL4.File"	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mq4	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mq4\ShellNew\NullFile	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\DefaultIcon	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3582-490\\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe \"%1\""	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MQL4.File\ShellNew\NullFile	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\SystemCertificates\CA\Certificates\CA7788C32DA1E4B7863A4FB57D00B55DDACBC7F9\Blob = 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	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\SystemCertificates\CA\Certificates\CA7788C32DA1E4B7863A4FB57D00B55DDACBC7F9	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
2984	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2984	2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe	30
PID 2508 wrote to memory of 2984	2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe	30
PID 2508 wrote to memory of 2984	2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe	30
PID 2508 wrote to memory of 2984	2508	eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe	30

C:\Users\Admin\AppData\Local\Temp\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
"C:\Users\Admin\AppData\Local\Temp\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\3582-490\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ca5287da6669988281f6a1ec6b788a06

SHA1
038734cb4e834f88784b19d8b2e54dd07fc108a3

SHA256
6706a592fde4014310fd70dd994b1587685e57415d1bc8513dd57afef80fe62d

SHA512
730b5df5c576d19863ad82be8f996bb754326f7e51e72a3e8e38374cec7bdc27acb4c87ae85385c944a0fc5ca28da9b134227a1c1551e9f90ff9ee9597bacb74

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
8ed71d71969c2908e75516e0610d66ef

SHA1
c951fa7184b21e1939374362a367f85e0ec0e06b

SHA256
7b8c925aef63c0923fbdf55b4032859b9388a44ab6aa8be2d878f7d5b0202207

SHA512
c0f0b8474ff6df213b7f2d67ba477adec6d314d9d41b704c67172706868605d729329860e93148a9b8f32ccafff7f4b771a20ddcd514fb1d162f2e4714a581c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\config\community.ini

Filesize
1KB

MD5
5be793f938d06f830e26b9b16e7dec8e

SHA1
6fde35e6bcdfd530e192e604cd20f25a4064e3b3

SHA256
d86088da30f6b0650a0a3c1e6581ec5512c995c560a2af1efe8c08110085798d

SHA512
56103d2744ee8db8905620786894de23190de6dd63bfcbe20fce0cfe7f4ff4dad9285792c393b35eb6546cf9798ec6f9881de6bf95dfe0de3df0d05b2d2018c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\config\metaeditor.ini

Filesize
3KB

MD5
c8f39f181410253e7d2e07a715295a97

SHA1
95081a0a86ec29bde61b88e07d6c6a203a6b97d7

SHA256
b49152bb9ef07a28a4cdfd5b21e55cf21c55ddd894f418f20b635938d950c24b

SHA512
bd9a0ca329d072205a9e86b3016ae6f3901ae2714634ce5c055eea58232d216eac468c3aefb51c2bc45b39532f74806984587337d2540e5ed84b5510efbae445

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB897.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB89A.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\eef3b6f52435118359d95e3731e82e75275801c80ac9bd06dca012d34fe7592bN.exe

Filesize
9.5MB

MD5
c4ecd9db474f30d755ab1399fee6b704

SHA1
7bf5b040e88a267076255a3e26bd4408e162171f

SHA256
2fdd29899b37187069bb615e58b158cedef679edf7c4f86e66be93d786707747

SHA512
8e32f3f99e5f5526a2728cfb993baa5d769ccfac8691d6482acfb081b01e06f1bc0055d4c7940be6ad035805b24bb493975e56884b9c160698b42d54eb92f355

Download Submit
memory/2508-474-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2508-478-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2984-78-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2984-82-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2984-84-0x0000000000EE0000-0x00000000027C9000-memory.dmp

Filesize
24.9MB

Download
memory/2984-77-0x00000000015BA000-0x000000000191C000-memory.dmp

Filesize
3.4MB

Download
memory/2984-80-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2984-475-0x00000000015BA000-0x000000000191C000-memory.dmp

Filesize
3.4MB

Download
memory/2984-476-0x0000000000EE0000-0x00000000027C9000-memory.dmp

Filesize
24.9MB

Download