Analysis
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max time kernel
134s -
max time network
138s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
19-06-2024 17:48
Behavioral task
behavioral1
Sample
H-Output.exe
Resource
win10-20240404-en
General
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Target
H-Output.exe
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Size
258KB
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MD5
6c5f1353172df2d3b8ab7f210f4d13dd
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SHA1
bc87512ad22e3d6969b149824661896191290ad1
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SHA256
f16b28324fb8b97e433712fec6db4d422c32199c488e3d8a9dbc1acbbdc08307
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SHA512
21b55634006247d65cb022e601743f3c58f8bf7943235d978ab6648f9084feff63638c971f02a9d8b7311fc1ad1b6ccc4286d38e68fb99476c931c5d62379407
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SSDEEP
3072:sr85C5yQRuUwPsmSIgEHBAnpK37nXK8Q0RoQ1y6PsX74SyJhWgKLlS/OHvfERbEK:k9cQQ5PsZN8le6PXoY/6ed/unOGPhpC
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
Processes:
resource yara_rule C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE family_neshta behavioral1/memory/1340-74-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/1340-76-0x0000000000400000-0x000000000041B000-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 4 IoCs
Processes:
H-Output.exeSteam.exeSteam.exeSteam.exepid process 4880 H-Output.exe 488 Steam.exe 2172 Steam.exe 3140 Steam.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
H-Output.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" H-Output.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 58 IoCs
Processes:
H-Output.exedescription ioc process File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe H-Output.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe H-Output.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE H-Output.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe H-Output.exe File opened for modification C:\PROGRA~2\WINDOW~2\WinMail.exe H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe H-Output.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe H-Output.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe H-Output.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE H-Output.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE H-Output.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE H-Output.exe -
Drops file in Windows directory 1 IoCs
Processes:
H-Output.exedescription ioc process File opened for modification C:\Windows\svchost.com H-Output.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
Processes:
H-Output.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" H-Output.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
H-Output.exeSteam.exeSteam.exeSteam.exedescription pid process Token: SeDebugPrivilege 4880 H-Output.exe Token: SeDebugPrivilege 488 Steam.exe Token: SeDebugPrivilege 2172 Steam.exe Token: SeDebugPrivilege 3140 Steam.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
H-Output.exedescription pid process target process PID 1340 wrote to memory of 4880 1340 H-Output.exe H-Output.exe PID 1340 wrote to memory of 4880 1340 H-Output.exe H-Output.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\H-Output.exe"C:\Users\Admin\AppData\Local\Temp\H-Output.exe"1⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\H-Output.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\H-Output.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Steam.exe\Steam.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Steam.exe\Steam.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Steam.exe\Steam.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXEFilesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Steam.exe.logFilesize
1KB
MD55a18c0096c3d708f2e104c1d69eea8db
SHA1a7ed897ef2a0e2fa6c9f00b2c60138213147c0a5
SHA2568ce4225532855b6cbea1da75a3bee1ef18518ab5ad333d311377666628b2a700
SHA5129072a9ff528e966cec0aa12e6e52f45e60c00c4e6a375b14ac7fa882b31fcbc50c5dd3b11f8493e87770e392c4a9b584252baec363eb70b601b77053522922fe
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C:\Users\Admin\AppData\Local\Temp\3582-490\H-Output.exeFilesize
218KB
MD50ce3cfb3f39c6ab542bd006acc91998d
SHA1d34331d9874a888e78be88a7f67d2d8f0cfa5b21
SHA25671a9b9cb96b2b80b352cbac72a40129377dcb09f0e4abb78806decdfda312720
SHA512a1f406af385f3b7cecea9b78f19028a5db59a051050a7514c13b7fbdb4092fe5debcc8d0c408f4f50c6da6aa0bfe7e6865722c35af288197863fb70951be42f0
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memory/488-70-0x00007FFAA4D40000-0x00007FFAA572C000-memory.dmpFilesize
9.9MB
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memory/488-71-0x00007FFAA4D40000-0x00007FFAA572C000-memory.dmpFilesize
9.9MB
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memory/488-73-0x00007FFAA4D40000-0x00007FFAA572C000-memory.dmpFilesize
9.9MB
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memory/1340-74-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1340-76-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4880-6-0x00007FFAA4D43000-0x00007FFAA4D44000-memory.dmpFilesize
4KB
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memory/4880-7-0x0000000000280000-0x00000000002BC000-memory.dmpFilesize
240KB
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memory/4880-69-0x00007FFAA4D40000-0x00007FFAA572C000-memory.dmpFilesize
9.9MB
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memory/4880-77-0x00007FFAA4D40000-0x00007FFAA572C000-memory.dmpFilesize
9.9MB