Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2025 14:32
Static task
static1
Behavioral task
behavioral1
Sample
fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe
Resource
win10v2004-20241007-en
General
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Target
fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe
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Size
1.3MB
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MD5
54f49c2ad41ba4050cdda443c5d2c933
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SHA1
a1e467fb0356150a3883dc16ab4618467a9034cc
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SHA256
fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934
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SHA512
a1e101900c5a4e5ebba1d0c2ddb80e6ee3486fa43d389f53ec4aa1499b4debe6daafd218b981f22bba4dc80d845c2fcf0cf21ae16908950eab7f7004fb0fcb04
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SSDEEP
24576:cA7/6yeoGoMxQtDqIz46L7F8iICk14Tg7ncxRaFdfRwUmqt2LMf7PV56uESbxAq+:5zFBhewK7ZwNWjmqz2/
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral2/memory/3020-1202-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3020-1300-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3020-1302-0x0000000000400000-0x000000000041B000-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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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4668 created 3508 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DisallowApplicationBaseProbing.vbs fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.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\" %*" InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4668 set thread context of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe InstallUtil.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe InstallUtil.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe InstallUtil.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe InstallUtil.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe InstallUtil.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe InstallUtil.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE InstallUtil.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE InstallUtil.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com InstallUtil.exe -
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 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.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\" %*" InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe Token: SeDebugPrivilege 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86 PID 4668 wrote to memory of 3020 4668 fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe 86
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3508
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C:\Users\Admin\AppData\Local\Temp\fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe"C:\Users\Admin\AppData\Local\Temp\fc6e2360ec42b0162ca6c115a87359ddb884735669a408df62d03a695554d934.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- 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:3020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD5a19e4a96ec5d5485b9574701f725b974
SHA19473682ece20859be37bd4e4217f47596fe305d7
SHA25629d948687548a1374710fd24591ea81a5e3bcddf52b2a121c9627704f2f98e97
SHA51273aabc378bd230e5383587ccbf9d1bb4d1e25f9880097d6204e8de5b4457e903ea5351bf10dddaa14c4650a4d91172495d8f5f06e63473f8bc43d1442db286e3
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Filesize
40KB
MD57fe6fb5408992330ada9cd81be35c33b
SHA12f732ea754fa43dea05fdad5c821f008a92935e2
SHA2568b53f3559183d6206e2573a0c3813141cad7621ee93a5241c622cf7c664d9aee
SHA512630cd455c5c4367e7d4a423d78b69e8f8ca02aa16b2af65d7357420511a692b233c04dc5d8aaafe3eb477b57a37a3ed0ee5b807a66c6fbaa223ac0abd22176ec
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Filesize
1.3MB
MD58a49b858da9dd49e94e799ab6afaaf13
SHA10d5c7800aae44f25b7a453c143fa092c2d94419e
SHA256fcb684dd4a98687d6a399d2829822a50c127c7e1c43a0c84163c9bcb7d272a0f
SHA5123c895ac2861a21734bc641ba85cc87f1688de57dd7d64b96e4330cf9ae102be54419b842eeb84015539f3a8dc6ecce3886269b53e9e69f66baa8a493856cdaf1