Analysis
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max time kernel
106s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 02:33
Behavioral task
behavioral1
Sample
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Resource
win10v2004-20241007-en
General
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Target
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
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Size
1.4MB
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MD5
0d32e3c66af8ca083cf5d1b0200ff770
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SHA1
d26bc56a0921c88b6bd6eac34899473172b79f3a
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SHA256
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82
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SHA512
bc453bfdb9e521109f80b602c50adb8791be71a9496cff28b81453fd1ceb5c0fa1af6a937899a161ed953a87f8c195f362988fbef5acf2968f588b5562f6722f
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SSDEEP
24576:8v2XwKvHoBHErvOmnD4TxJeUrtONbcDvX+ZRDSq9yG0+GYCwdD5sguoaDEy4lFYv:PvyiUTxwuoNbxzyG0QCKD5daDEyUk
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
Processes:
resource yara_rule behavioral2/files/0x000600000002023a-22.dat family_neshta behavioral2/memory/1308-102-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1308-103-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1308-105-0x0000000000400000-0x000000000041B000-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.
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Executes dropped EXE 2 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exepid Process 4940 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 4148 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Drops file in Windows directory 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process File opened for modification C:\Windows\svchost.com b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Modifies registry class 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription pid Process procid_target PID 1308 wrote to memory of 4940 1308 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 84 PID 1308 wrote to memory of 4940 1308 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 84 PID 1308 wrote to memory of 4940 1308 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 84 PID 4940 wrote to memory of 4148 4940 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 87 PID 4940 wrote to memory of 4148 4940 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 87 PID 4940 wrote to memory of 4148 4940 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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:1308 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe" -z23⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4148
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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\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Filesize1.3MB
MD546559af116df2b4c0878fe2bc1ac5c74
SHA1025a6391bdc39eda9e1efe572fdea83663ee8431
SHA2565234bb1bf805030c5a93d900a4305dccaf63c1dd15ba5ac067f152e6416ac296
SHA512ef33645ea674a33fdc3cf65302c78658463ad20b10472077964e0988942e6a4b6ff8f59ff432e91c9d3539d68dfb4abb723af7dc77da92d570356a791907bfaf