Analysis
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max time kernel
93s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-12-2024 04:35
Behavioral task
behavioral1
Sample
b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe
Resource
win10v2004-20241007-en
General
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Target
b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe
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Size
1.5MB
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MD5
546ce74e556c10ba47338c75f4ace22f
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SHA1
3340e0a017aa3581fbb5a55a723978d15b984921
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SHA256
b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf
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SHA512
4289b3d0d82a679b8561a9a036d79884af305dfb3333f6ad473f7cc1300dee062c50f1809ef953881d19e2edeedb811efe6f797f6f42d39860a67032f6a77449
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SSDEEP
24576:tE/a5cYcrsjcKcq2PUD81kVycD3OQacEmAf7ppsLBOHh2xtAC+:eSxncjQDxaMAyA
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000002024c-16.dat family_neshta behavioral2/memory/2648-97-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2648-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2648-100-0x0000000000400000-0x000000000041B000-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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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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe -
Executes dropped EXE 1 IoCs
pid Process 4788 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.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\" %*" b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.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 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.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 2 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 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.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\" %*" b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2648 wrote to memory of 4788 2648 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe 82 PID 2648 wrote to memory of 4788 2648 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe 82 PID 2648 wrote to memory of 4788 2648 b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe"C:\Users\Admin\AppData\Local\Temp\b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.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:2648 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Temp\3582-490\b911d1f71c89509897ab5216377d29272c5d8ef1e42425d2f8a62cb89d219baf.exe
Filesize1.4MB
MD50d952291d5a8c9a89507b9026902e73d
SHA11206a7fcac73817cff9d5e38201c8db3c04c2ca7
SHA2564a8880b2b29d79b1ad446cf0e1c82e138a973df9221457ca9259bc3cd88f60e2
SHA512b24cc2b92ae38f923148166990b21b992747e8133244519391b01819a2029e9cc050e7c4f82c6234dccf9bebaa79370879a7edc08d13dc2a679ef716ab331074