Analysis
- max time kernel
29s - max time network
31s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/11/2026, 22:29
Behavioral task
behavioral1
Sample
AcroRd32.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
12 signatures
30 seconds
Behavioral task
behavioral2
Sample
AcroRd32.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
11 signatures
30 seconds
General
- Target AcroRd32.exe
- Size 2.4MB
- Sample261102-2ea6xsxtds
- SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
- MD5 8ffc3bdf4a1903d9e28b99d1643fc9c7
- SHA1 919ba8594db0ae245a8abd80f9f3698826fc6fe5
- SHA512 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
- SSDEEP 49152:oTfiUEWo6zuEz439z99akTBc4O8b8ITDnlT4NvJX:oTfiG/nzU90T
- TLSH T179C59226A2C8C0EBE5642170CC59BBF900546D78DBA2CDD7BD447E16BA307D29533A3E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x00060000000202b5-15.dat family_neshta behavioral1/memory/3260-134-0x0000000000010000-0x000000000002B000-memory.dmp family_neshta behavioral1/memory/3260-135-0x0000000000010000-0x000000000002B000-memory.dmp family_neshta - 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-1-5-21-524788801-3318743092-4051225893-1000\Control Panel\International\Geo\Nation AcroRd32.exe - Executes dropped EXE 1 IoCs
pid Process 2808 AcroRd32.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\" %*" AcroRd32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\139034~1.125\BHO\ie_to_edge_stub.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~3.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Google\GOOGLE~1\141073~1.0\DISABL~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MICROS~4.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MICROS~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\139034~1.125\cookie_exporter.exe AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe AcroRd32.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\139034~1.125\msedge.exe AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\IDENTI~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\PWAHEL~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{5625B~1\WINDOW~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\MICROS~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\ELEVAT~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MICROS~3.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MICROS~2.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe AcroRd32.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe AcroRd32.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe AcroRd32.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\139034~1.125\msedgewebview2.exe AcroRd32.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\COOKIE~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\INSTAL~1\setup.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\msedge.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MI391D~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.65\MI9C33~1.EXE AcroRd32.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe AcroRd32.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\139034~1.125\elevated_tracing_service.exe AcroRd32.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com AcroRd32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.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\" %*" AcroRd32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3260 wrote to memory of 2808 3260 AcroRd32.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\AcroRd32.exe"C:\Users\Admin\AppData\Local\Temp\AcroRd32.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:3260 -
C:\Users\Admin\AppData\Local\Temp\3582-490\AcroRd32.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\AcroRd32.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2808
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
- Size 2.4MB
- SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
- MD5 8ffc3bdf4a1903d9e28b99d1643fc9c7
- SHA1 919ba8594db0ae245a8abd80f9f3698826fc6fe5
- SHA512 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
- SSDEEP 49152:oTfiUEWo6zuEz439z99akTBc4O8b8ITDnlT4NvJX:oTfiG/nzU90T
- TLSH T179C59226A2C8C0EBE5642170CC59BBF900546D78DBA2CDD7BD447E16BA307D29533A3E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\AcroRd32.exe
- Size 2.4MB
- SHA256 2fcd51e705e9c091e4f23ab61960dfc99883b7c7158008c2f77be22d0b97f853
- MD5 b885527bb2c0f0cd91070a58a23a1a46
- SHA1 95f9c87a496817d6e98de260d1677fde217dfa09
- SHA512 d79d93effe35bdba813aaf07cdcb7998bcf4bdc84851105fc288f09a36a18f22102df5b9b86d2b45bca93e12f51f685c5d80a1c17d488c8ea8df2b009545cb32
- SSDEEP 49152:yTfiUEWo6zuEz439z99akTBc4O8b8ITDnlT4NvJS:yTfiG/nzU90m
- TLSH T19FC59126A2C8C0EBE5642170CC59BBF900546D78DBA2CDD7BD447E16BA307D29533A3E
- MD5 SHA1 SHA512 SSDEEP TLSH