Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
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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 3 IoCs
resource yara_rule behavioral1/files/0x000100000001030f-9.dat family_neshta behavioral1/memory/1132-82-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/1132-84-0x0000000000400000-0x000000000041B000-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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Executes dropped EXE 1 IoCs
pid Process 1284 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe -
Loads dropped DLL 2 IoCs
pid Process 1132 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 1132 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\WINDOW~4\ImagingDevices.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.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\MICROS~1\Office14\CLVIEW.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.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\WINDOW~1\WinMail.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~2\Google\Update\1336~1.151\GO664E~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~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\Google\Update\1336~1.151\GOOGLE~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~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\Office14\SELFCERT.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.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~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.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\Office14\INFOPATH.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.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\MICROS~1\TextConv\WksConv\Wkconv.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.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\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.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 4 IoCs
description pid Process procid_target PID 1132 wrote to memory of 1284 1132 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 28 PID 1132 wrote to memory of 1284 1132 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 28 PID 1132 wrote to memory of 1284 1132 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 28 PID 1132 wrote to memory of 1284 1132 11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\11f8ad29c078da9a37fba88becbf6fd0_NEAS.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1132 -
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:1284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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Filesize
150KB
MD54c84c5170831b03a5f4724df52640b4a
SHA1f2dab12167e34d3c07dbc9cf2a6979fa5f4107bb
SHA256a183d566c3afa8baf95bf961d0bfb0c396031d5db33f978a05eaf99c958142af
SHA512277a89bb180cb9dc9589c5f0c9d954b19ba5302d171326eeb445feeee5f2c359685f0163a21fcf2985c800c59f757dc17637dff3228243cfd0ac2b0238b03126