neshta | 58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 22:57

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General

Target

58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
Size

197KB
MD5

e905cee0e3d0062d54c79e5a6d273790
SHA1

f3f503694471c653a7ef1509fa9dced980d6f7e3
SHA256

58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd
SHA512

1b370b50f41c79cb118e709d8280bd4a1fba99506ba66aa97fbfd26585d1b09f8ddfcda53a05f587fdeaf0d73f742ed287f882b6e0ce92cfddc68e4e82fcdd88
SSDEEP

3072:zr8WDrCaxEufVU0TbTyDDalRC+utxSGKVqoCl/Ygi:PubufVUNDaatVKsLqL

Score

10^/10

neshta discovery evasion persistence spyware stealer

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

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

Executes dropped EXE 7 IoCs

pid	Process
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2328	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2264	icsys.icn.exe
2880	explorer.exe
2852	spoolsv.exe
2768	svchost.exe
2952	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2264	icsys.icn.exe
2880	explorer.exe
2852	spoolsv.exe
2768	svchost.exe
3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.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\" %*"	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.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 10 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	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1688	schtasks.exe
1872	schtasks.exe
2104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2880	explorer.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe
2768	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2880	explorer.exe
2768	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
2264	icsys.icn.exe
2264	icsys.icn.exe
2880	explorer.exe
2880	explorer.exe
2852	spoolsv.exe
2852	spoolsv.exe
2768	svchost.exe
2768	svchost.exe
2952	spoolsv.exe
2952	spoolsv.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2408	3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	30
PID 3056 wrote to memory of 2408	3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	30
PID 3056 wrote to memory of 2408	3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	30
PID 3056 wrote to memory of 2408	3056	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	30
PID 2408 wrote to memory of 2328	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	31
PID 2408 wrote to memory of 2328	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	31
PID 2408 wrote to memory of 2328	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	31
PID 2408 wrote to memory of 2328	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	31
PID 2408 wrote to memory of 2264	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	32
PID 2408 wrote to memory of 2264	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	32
PID 2408 wrote to memory of 2264	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	32
PID 2408 wrote to memory of 2264	2408	58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe	32
PID 2264 wrote to memory of 2880	2264	icsys.icn.exe	33
PID 2264 wrote to memory of 2880	2264	icsys.icn.exe	33
PID 2264 wrote to memory of 2880	2264	icsys.icn.exe	33
PID 2264 wrote to memory of 2880	2264	icsys.icn.exe	33
PID 2880 wrote to memory of 2852	2880	explorer.exe	34
PID 2880 wrote to memory of 2852	2880	explorer.exe	34
PID 2880 wrote to memory of 2852	2880	explorer.exe	34
PID 2880 wrote to memory of 2852	2880	explorer.exe	34
PID 2852 wrote to memory of 2768	2852	spoolsv.exe	35
PID 2852 wrote to memory of 2768	2852	spoolsv.exe	35
PID 2852 wrote to memory of 2768	2852	spoolsv.exe	35
PID 2852 wrote to memory of 2768	2852	spoolsv.exe	35
PID 2768 wrote to memory of 2952	2768	svchost.exe	36
PID 2768 wrote to memory of 2952	2768	svchost.exe	36
PID 2768 wrote to memory of 2952	2768	svchost.exe	36
PID 2768 wrote to memory of 2952	2768	svchost.exe	36
PID 2880 wrote to memory of 2616	2880	explorer.exe	37
PID 2880 wrote to memory of 2616	2880	explorer.exe	37
PID 2880 wrote to memory of 2616	2880	explorer.exe	37
PID 2880 wrote to memory of 2616	2880	explorer.exe	37
PID 2768 wrote to memory of 1688	2768	svchost.exe	38
PID 2768 wrote to memory of 1688	2768	svchost.exe	38
PID 2768 wrote to memory of 1688	2768	svchost.exe	38
PID 2768 wrote to memory of 1688	2768	svchost.exe	38
PID 2768 wrote to memory of 1872	2768	svchost.exe	42
PID 2768 wrote to memory of 1872	2768	svchost.exe	42
PID 2768 wrote to memory of 1872	2768	svchost.exe	42
PID 2768 wrote to memory of 1872	2768	svchost.exe	42
PID 2768 wrote to memory of 2104	2768	svchost.exe	44
PID 2768 wrote to memory of 2104	2768	svchost.exe	44
PID 2768 wrote to memory of 2104	2768	svchost.exe	44
PID 2768 wrote to memory of 2104	2768	svchost.exe	44

C:\Users\Admin\AppData\Local\Temp\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
"C:\Users\Admin\AppData\Local\Temp\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.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:3056
- C:\Users\Admin\AppData\Local\Temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2408
- - \??\c:\users\admin\appdata\local\temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
    c:\users\admin\appdata\local\temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe
    3⤵
    - Executes dropped EXE
    PID:2328
- - C:\Windows\Resources\Themes\icsys.icn.exe
    C:\Windows\Resources\Themes\icsys.icn.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2264
  - - \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2880
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe SE
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2852
      - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        6⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2768
        
        \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2952
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:59 /f
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1688
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:00 /f
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1872
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:01 /f
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2104
    - - C:\Windows\Explorer.exe
        
        C:\Windows\Explorer.exe
        5⤵
        
        PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe

Filesize
156KB

MD5
e9c9fd878f6e3b3f2a956e899df1beaa

SHA1
411ccaa277225690b152f7bc71469f31afb16070

SHA256
1f6c5e338a5ae2b84bb6d144d36e0c0448555cc8ef731b1edb0b4faea0c54480

SHA512
9e0eb72b3ceae422e3ea6557d2b98bf12f9ed81d2262c39bc254f377cef22f6972a1b0eea43d470657d6d773790fde722e0d4d882ece2b4ec837ded3c2c1f864

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\58c407a6a53b2d1ee2e9212eea536a49ecd87d43b664e460a593a82d92b6d3bd.exe

Filesize
21KB

MD5
d8c024f3381d37370b4f1aa27b5d05dc

SHA1
85c0e04905b969fdbd65f734452a946873727b69

SHA256
6fa3b17bebdb38a8526761eb788665cafec2501d793b87b87e9f7c96d583a6da

SHA512
1de235180924a6230ec1a49c646968d7540f13ca9525c52aeca8a2ce7cfd6b876514bf8ac55ecefea1ecdd236120cfd2ff4ef7f59e9b75e5758add401ed44281

Download Submit
C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
611d752d0bfaebccd4ff7f2a64e488ae

SHA1
7d14535ed09a2c44d3bc6e409addcc5213d40f3b

SHA256
f59692cb71614e8157164ef4930f2149a1f25d012b9243713ea6a7c63f60fce4

SHA512
052ae9d7a85c11f35a65e5a42d05e947183d77ed373bdd209cda39e8ee4e9df62b5bde5e1104d715f4d6820d8c6c0a3925b15fb6c38bce281bcf43331c52f2b5

Download Submit
C:\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
d0be3c1709817758b35c1b4adfcf35e2

SHA1
c37634da51c6cba8adf25aaff44419df61e81014

SHA256
32fd12176f5e0a3e62967750df78f3353bff31231b63dadd17ff914aa6070de3

SHA512
147688ff497af6a4b474268d89015bf7fc5723b9841e9226eb2dc8739ce4f68a05dd745888fd61a62473c478dc0fee5967240b2c9b2bdd279c38db1db4c1eb34

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

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
99ae929fff4358484943d099246d0d40

SHA1
aae2b9fb4352e1d2d00c00774e84871cee096f37

SHA256
072030fd1ad374ad3fee3ed763aedba4bdaf4d375c4cb93a59d65a29908a1561

SHA512
c2cd442fb2ede29bda407f884abdd0c56fe656d07ac4fb33ebc6fba2f30f904e13ff232c4119746b220047de2ffab8083b484c0eb86e96f4997e0631273c14f9

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
9ac71747234371ef78d86521b84c37eb

SHA1
82f1e43a4d7f519b0999aef55d461e260360da89

SHA256
42b582156f7b3d2ee91193a020ed2c7efbd811a6dfc0c9a1ce3fd25e980c14c5

SHA512
534bafd2b39f75fe9c0bbe9f56cb7c780e2173ae72147b88723aa075bd530b051cbd5c3acade50ebe12e12b4f35c46967e55eae6b58faf7c9b6b15b9584279a1

Download Submit
memory/2264-71-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2264-38-0x00000000003A0000-0x00000000003BF000-memory.dmp

Filesize
124KB

Download
memory/2408-10-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2408-72-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2768-65-0x0000000000280000-0x000000000029F000-memory.dmp

Filesize
124KB

Download
memory/2768-149-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2768-150-0x0000000000280000-0x000000000029F000-memory.dmp

Filesize
124KB

Download
memory/2852-70-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2880-148-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2952-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3056-9-0x00000000006D0000-0x00000000006EF000-memory.dmp

Filesize
124KB

Download
memory/3056-145-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3056-147-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download