Analysis
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max time kernel
15s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-11-2024 16:02
Behavioral task
behavioral1
Sample
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe
Resource
win10v2004-20241007-en
General
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Target
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe
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Size
99KB
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MD5
31e881316c5442b17cbe98e4183495fd
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SHA1
962ebea879462e5920acbe1927c2e676be86c16d
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SHA256
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22
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SHA512
a6b8d98f1bcbf4f89c6acd49bbb3e70ad98d900a3983d04b1217e531b7c7f842f96b317f770ddc918e4a6897f0b64165153071009f449e0bc6f0ef05cc3f8558
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SSDEEP
1536:JxqjQ+P04wsmJCcX7NGa79xW0IsRNVPnnJ8I8S88S888E5OLUGW:sr85C47NGa79YsHVS5OLUGW
Malware Config
Signatures
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Detect Neshta payload 2 IoCs
Processes:
resource yara_rule C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe family_neshta behavioral1/memory/2084-81-0x0000000000400000-0x000000000041B000-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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Loads dropped DLL 1 IoCs
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exepid process 2084 a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.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
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exedescription ioc process File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe -
Drops file in Windows directory 1 IoCs
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exedescription ioc process File opened for modification C:\Windows\svchost.com a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.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.
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe -
Modifies registry class 1 IoCs
Processes:
a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe"C:\Users\Admin\AppData\Local\Temp\a83c95656ce26fef18c2de7d5d5efcf05c4fa06c2a35f6369e5e1d6db27d1b22.exe"1⤵
- Loads dropped DLL
- 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
PID:2084
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