Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2024, 08:49
Behavioral task
behavioral1
Sample
541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe
Resource
win10v2004-20241007-en
General
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Target
541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe
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Size
455KB
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MD5
ef1865f411ee6d335a598b5986b12060
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SHA1
17bc37bbd07cd4629dfe63d357c3f355f11d5da5
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SHA256
541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403
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SHA512
fdfa9efb2651aae9ddc9e8feca8239b9fc90ac248c04edd03a45f756668b5c17fb38ea662bb14414d8860b65ba77ae7b5409abe8db7418f0ea0a9086e893e785
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SSDEEP
6144:k9Em6g3oBxSPWMSRaR9bYLw5gQMwv2rn3:lmRaSaRiNSQMwv83
Malware Config
Signatures
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Detect Neshta payload 7 IoCs
resource yara_rule behavioral2/files/0x0006000000020237-18.dat family_neshta behavioral2/files/0x0011000000023a67-105.dat family_neshta behavioral2/memory/1540-106-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1540-107-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1540-108-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1540-109-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1540-111-0x0000000000400000-0x000000000041B000-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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Downloads MZ/PE file
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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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe -
Executes dropped EXE 1 IoCs
pid Process 1892 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.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\" %*" 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.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\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.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 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.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\" %*" 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1540 wrote to memory of 1892 1540 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe 84 PID 1540 wrote to memory of 1892 1540 541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe"C:\Users\Admin\AppData\Local\Temp\541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.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:1540 -
C:\Users\Admin\AppData\Local\Temp\3582-490\541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe"2⤵
- Executes dropped EXE
PID:1892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Temp\3582-490\541eb776bdc2f8689f7d36d7321860cd2b96a76a5e0b4597466355e92fb52403N.exe
Filesize415KB
MD5c3464f9a7fec5d9c856ebec5947be8eb
SHA1a372523f4ca1a4d1f4c8c7d8efccf4ffa42c06ee
SHA256455d345e65b3994acbd921e318c91c968bdb2344d259b472dbd16a95787d8388
SHA512cce63ac446a67a6977aee9a48c4552b6caf274c925f10541072618aa6505a18d172799b15e5b5eaf0ba89c685230ab7ad7e1a18aff4aa08cba0e5f913b5e2a9c
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Filesize
1.1MB
MD58f1db445e7cef2fa7e87f2ada6e277ad
SHA1b1d66a8feab97d57180c35cf98f42c9e5a9c99a9
SHA2568c700bcd07ac08a6445b4b80c8a6e2d556c2df4f5541024d18cf52b5bef30d40
SHA5125501ab97a3819f5568a8d7a0dceef0e5715dbb1a2d95b8a81119af35f707258be1f9de3c77dad57c48b4ad723715146c74351452d3ac212a4152e94f6026faaf
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Filesize
4.1MB
MD5f99425f909e162c528e348ec91dedda1
SHA1826f02f8e0bf20566bb2aa62fc366a07935120eb
SHA25698f9645ca3f276e73bdaab64f87ab94396ce5169c87434fe6b7d888b149760a5
SHA512bf5cda9d2b133df420cc27e1b5765a181a9c4fa9bc169c3fa42daba95f14325206d7d13001464ca7aba3ea7bda2225dad23a0efe7abde119fe4ff5ff16bbf0f1
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Filesize
1.1MB
MD5d054774948f320d838fbe6c73135e9e8
SHA1f7008b18aba291e719fb7f8b27d509e03a69ec9b
SHA256ac11c769e26f83b847cf6ca037fa99e9502a2d6902682ef8d2bf0c58900ced1c
SHA512e6e96fc2a27c06ad332bc85d1949163bdb22df69c6cbf092715f1a3be283983c4c76d0751034e0bee9d6a79e8e4d93ca16efbab2642e8e0ad68290ff4fe58c65