Analysis
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max time kernel
98s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-12-2024 21:37
Behavioral task
behavioral1
Sample
bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe
Resource
win7-20240903-en
windows7-x64
13 signatures
120 seconds
Behavioral task
behavioral2
Sample
bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
13 signatures
120 seconds
General
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Target
bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe
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Size
1.4MB
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MD5
a956f485959137ef9b7a254cdec36b50
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SHA1
887ea1a7cb21a21e2ea9b815567738eb8a18564a
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SHA256
bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85
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SHA512
c9ebde9a06973e456a81f3fc8a2d07d5865e2ad2a2f82220428389496ebf0b60407033ff380924957d329b12f27c48772e91907b30a57d1c7ff31c6d83eccd51
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SSDEEP
24576:DyXITj6fU9JxiKq2sBLJfWQ3H4HtHMFobt8rpa11ghiP/XYK:Dy4j6fGhGLJfWQ9Y+peOhiP/XYK
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 5 IoCs
resource yara_rule behavioral2/files/0x000600000002021e-15.dat family_neshta behavioral2/memory/4416-95-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4416-96-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4416-97-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4416-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Executes dropped EXE 1 IoCs
pid Process 2884 bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.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\" %*" bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4416 wrote to memory of 2884 4416 bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe 83 PID 4416 wrote to memory of 2884 4416 bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe"C:\Users\Admin\AppData\Local\Temp\bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe"1⤵
- Checks computer location settings
- 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:4416 -
C:\Users\Admin\AppData\Local\Temp\3582-490\bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe"2⤵
- Executes dropped EXE
PID:2884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Temp\3582-490\bc85fa94db083fb3525355fa25819a43a344460004804eeac0d97777109e6d85N.exe
Filesize1.4MB
MD5cc55182de7660906918717cb1747c7d1
SHA16829d65c1a215ddaf4514bc8ff207168b149caf9
SHA256cc94e0d26d2c9d796f26795eb0fff712253914d8180d9b58985084d64c40aaf5
SHA512996885716c5fee9a5c9c5faac29c319206a4f042724eae17252c8f86ac6d24a5752772540e0c60aaa099392bb40ecdc8d77e54ec9fd043d1ef066f9127fcb1fa