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Analysis
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max time kernel
129s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 08:45
Behavioral task
behavioral1
Sample
11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe
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Size
190KB
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MD5
11f8ad29c078da9a37fba88becbf6fd0
-
SHA1
6a92169d7e13d26e83067651b52118715a6b7740
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SHA256
93019d60fdf25a44c5bdde083fe6baf7c8f93ac21afadf1486f7d9613aa81086
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SHA512
b0e1dd31fa78635e2f261a74976d4af968a7e06015ec49184d32ddada4307916076ef4ea07a5f141406fd772f2726fb64f7efab7a264f614f423e6ce3e33f62f
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SSDEEP
3072:sr85CFSXwEs1iKl/OwGyxblSb2OwD/1gQuysqh/0uRN:k9QXwEs1l/OB6tOwBgQuyh/VRN
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020245-15.dat family_neshta behavioral2/memory/3828-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3828-100-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3828-102-0x0000000000400000-0x000000000041B000-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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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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Executes dropped EXE 1 IoCs
pid Process 1648 11f8ad29c078da9a37fba88becbf6fd0_NEAS.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\" %*" 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Reads user/profile data of web browsers 2 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\ADelRCP.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MI9C33~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13185~1.29\MICROS~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MI391D~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~2.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MIA062~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3828 wrote to memory of 1648 3828 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 85 PID 3828 wrote to memory of 1648 3828 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\AppData\Local\Temp\3582-490\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"2⤵
- Executes dropped EXE
PID:1648
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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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Filesize
150KB
MD54c84c5170831b03a5f4724df52640b4a
SHA1f2dab12167e34d3c07dbc9cf2a6979fa5f4107bb
SHA256a183d566c3afa8baf95bf961d0bfb0c396031d5db33f978a05eaf99c958142af
SHA512277a89bb180cb9dc9589c5f0c9d954b19ba5302d171326eeb445feeee5f2c359685f0163a21fcf2985c800c59f757dc17637dff3228243cfd0ac2b0238b03126