Analysis
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max time kernel
96s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-01-2025 04:47
Behavioral task
behavioral1
Sample
b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe
Resource
win7-20240903-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe
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Size
84KB
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MD5
059ef7cd32a9c16ad169f9c5301a123f
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SHA1
4fc79c2e830fdd4a8d9fea4d981f044c3403e70f
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SHA256
b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d
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SHA512
e4206f10bf805302ffe85bb8eef4be2cec28741278909b7a8199a5f72df24b8d96d7daf72015d44dee5e367158cec79ac981411950d940ffadfea8103542e421
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SSDEEP
768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJYEapI1/JSSojzmvjR3PcXNiqboxe1W0:JxqjQ+P04wsmJCDKUSXO4WNkFH/7S4xO
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000002021e-11.dat family_neshta behavioral2/memory/2060-91-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2060-92-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2060-94-0x0000000000400000-0x000000000041B000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe -
Executes dropped EXE 1 IoCs
pid Process 2784 b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.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\" %*" b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.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~2\WINDOW~4\wmpconfig.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.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\" %*" b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2784 2060 b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe 83 PID 2060 wrote to memory of 2784 2060 b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe"C:\Users\Admin\AppData\Local\Temp\b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.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:2060 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe"2⤵
- Executes dropped EXE
PID:2784
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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\b541c12db9aea2855e23f3b7152a7b5d6536934e9758c16e632337225e5a7a5d.exe
Filesize44KB
MD5f5b50f350562c5a4c0c5d9769a7e98a9
SHA1bae4b336d03f6ad3563dfcd2bd6dffe2d0cf87ee
SHA2569ff26a71ed57c365f712476c7746a297487693c0cd5f36ed176de714bf80b853
SHA51224929e0bfb4c37d89ade7454596bab45d9d57dc400341c8d25784a57d39edb64573c1fc17c7aec561ba01fa6ac839572a698b0ba4a450b8a87ac563d744293cd