Analysis
- max time kernel
139s - max time network
128s - 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, 09:17
Behavioral task
behavioral1
Sample
1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe
Resource
win7-20240215-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe
- Size 752KB
- Sample240507-k9bbqsaa6t
- SHA256 13d8bd8d216d6bf34ab7d9872c8caacfbea022ce8afd230a810daef88a097b0b
- MD5 1f721e5bd43fe3e7d60cc999dabd2fa0
- SHA1 47656319ae2b9a89c6a8f0ab458b6428cdc3ebaa
- SHA512 e9bdd99b1d01c3a604a060d053045715f197245556a800497ade3d0146d9b6c7965e6144032f17b897f8a2689f9619f9073eddb35383774f0c4ba4ba84f82ce5
- SSDEEP 6144:k9g2V6VwxixNGMUjpgILj8eKgDz3VCFZgOTX7scUYLdzEag1/:dI6hShfDKm1/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020249-14.dat family_neshta behavioral2/memory/4504-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4504-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4504-101-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta - Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- 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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe - Executes dropped EXE 1 IoCs
pid Process 3720 1f721e5bd43fe3e7d60cc999dabd2fa0_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\" %*" 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~4.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13185~1.29\MICROS~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MIA062~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MI9C33~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~2.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\1f721e5bd43fe3e7d60cc999dabd2fa0_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
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\3582-490\1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe"2⤵
- Executes dropped EXE
PID:3720
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
- Size 86KB
- SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
- MD5 3b73078a714bf61d1c19ebc3afc0e454
- SHA1 9abeabd74613a2f533e2244c9ee6f967188e4e7e
- SHA512 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
- SSDEEP 1536:JxqjQ+P04wsmJCNgh/sE/EkHd0Ci2zkQASqk+H6L2C:sr85CysEM6GC+QA8+HlC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\1f721e5bd43fe3e7d60cc999dabd2fa0_NEAS.exe
- Size 712KB
- SHA256 e623534def42c3f9e818c9973537698620c12aaf101a9b23f770bf6be626ab11
- MD5 7910627cfe9b11ba25015c9a7c5394e1
- SHA1 e0807cc330f64758963d410fc854afdbce246598
- SHA512 02fcd67ddc6f662c9530f46f46b36027ee2210b1fba1da7f8dbbeb5e16df63164c835ae6cb64c105fd139f3b1fcbc0b0ee5e38c853ff4536f276add4ca6fb411
- SSDEEP 6144:FEag162V6VwxixNGMUjpgILj8eKgDz3VCFZgOTX7scUYLdJ:Fm16I6hShfDe
- MD5 SHA1 SHA512 SSDEEP