Analysis
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max time kernel
94s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 04:43
Behavioral task
behavioral1
Sample
a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe
Resource
win7-20240903-en
windows7-x64
15 signatures
120 seconds
Behavioral task
behavioral2
Sample
a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
120 seconds
General
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Target
a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe
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Size
3.5MB
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MD5
77b5701afd6c954097e3eb61e3a22c20
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SHA1
3bd8e62a3e53e2eaa7f538b4c08b067daf97ca60
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SHA256
a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ec
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SHA512
0ed31ddb4bc4791c6347e28aff1f1d6803313ab4239920dacf29b6622cd926a1f0b6585ec40e75546c7a9537194b2912d668c582157bdaed1fc04e034fe727ad
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SSDEEP
49152:57j46kEtX1+V/Hq0FxMTa2C1kaHUToUXMX2zGJ4C6b:5kPi08TAVX5GC8
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 7 IoCs
resource yara_rule behavioral2/memory/1800-0-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/files/0x000600000002024c-16.dat family_neshta behavioral2/memory/1800-96-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/1800-97-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/1800-98-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/1800-99-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/1800-102-0x0000000000400000-0x000000000042B000-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 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe -
Executes dropped EXE 1 IoCs
pid Process 1928 a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.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\" %*" a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.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~3\Adobe\Setup\{AC76B~1\setup.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.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 a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.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\" %*" a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1928 a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1800 wrote to memory of 1928 1800 a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe 82 PID 1800 wrote to memory of 1928 1800 a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe"C:\Users\Admin\AppData\Local\Temp\a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.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:1800 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1928
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD5a40427e3788637e741fb69ea8d76cd52
SHA1f8c8c7ec493e32a7573d90ce400fccd79fc98f31
SHA25618dcc8fae245869d02b7db0edbe22ec57a30bdd51a64090452118a79ba194052
SHA512e6b688d4ad0506c74db323b50a2588472f45e66da2a3456450aea96d93882b13662f8b3bbed7773180f5bec851a31d2e45262ecb9283b425c60c8caa06d56ca2
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C:\Users\Admin\AppData\Local\Temp\3582-490\a83e8a9ee77972a918fc649dc4fdad501e8587658247f260218ad8eda11400ecN.exe
Filesize3.5MB
MD58773d517efd8aff4afc4cd03072222bb
SHA1851e35ab79312cd7dc70c6bf1efdde4e64da7087
SHA25641fd5c76c0f13af7cd7dead64185a03d6d747553ee3dfd9dff022469bb75d346
SHA512fc6c5cbac0cf164b48f0474304ce1ddedbf35b930463bb29871d181d02f39c2a4e3e0921cfa4428072eae267742f19233bbdc6a89dd178749c555746ed007b92