Analysis
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max time kernel
160s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 19:14
Behavioral task
behavioral1
Sample
a507cbaa0161cd7360b5140f2e3421c3_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a507cbaa0161cd7360b5140f2e3421c3_JC.exe
Resource
win10v2004-20230915-en
General
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Target
a507cbaa0161cd7360b5140f2e3421c3_JC.exe
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Size
593KB
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MD5
a507cbaa0161cd7360b5140f2e3421c3
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SHA1
6d5dd32898f86afb249d9e4233887c2d220e73cc
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SHA256
ab48d5404ce98ac3ae56c449fe661c0acf73fa4fd2182a2f39e61c02052092fe
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SHA512
d3fd9dedd8deca889ce1c407fe144e713f61ea6b5b5a7dc0c86f14c3c4c87310ebcb07562c997481c84c2ea6c09f6e48da2b1b28ca9ffdae2b437c9a010b3176
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SSDEEP
12288:2QgTT/g4DuZHpUL41mwVen6GP7v97qyzcj+4j:29k4Dm1mwVdOJX6+O
Malware Config
Signatures
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Detect Neshta payload 14 IoCs
resource yara_rule behavioral2/memory/3492-8-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-13-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-14-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/files/0x000700000001f060-17.dat family_neshta behavioral2/memory/3492-29-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-81-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-85-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-86-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-88-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-91-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-92-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-93-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-94-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3492-103-0x0000000000400000-0x000000000041B000-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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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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 4932 a507cbaa0161cd7360b5140f2e3421c3_JC.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\" %*" a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Reads user/profile data of web browsers 2 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 a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13177~1.11\MICROS~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a507cbaa0161cd7360b5140f2e3421c3_JC.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4932 a507cbaa0161cd7360b5140f2e3421c3_JC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3492 wrote to memory of 4932 3492 a507cbaa0161cd7360b5140f2e3421c3_JC.exe 86 PID 3492 wrote to memory of 4932 3492 a507cbaa0161cd7360b5140f2e3421c3_JC.exe 86 PID 3492 wrote to memory of 4932 3492 a507cbaa0161cd7360b5140f2e3421c3_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a507cbaa0161cd7360b5140f2e3421c3_JC.exe"C:\Users\Admin\AppData\Local\Temp\a507cbaa0161cd7360b5140f2e3421c3_JC.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a507cbaa0161cd7360b5140f2e3421c3_JC.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a507cbaa0161cd7360b5140f2e3421c3_JC.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.4MB
MD58ffc3bdf4a1903d9e28b99d1643fc9c7
SHA1919ba8594db0ae245a8abd80f9f3698826fc6fe5
SHA2568268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
SHA5120b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
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Filesize
552KB
MD56c3fc532e62dd200fde7ed4270da9a82
SHA12d9feef911ef4fcba13c4e755fb7a00a031f1ae0
SHA2568f4447b0dbd915db524a9e21418120509307c980e04b717eff189a6643920bbc
SHA512266cbec59e668b7c2afefaa5b4471ffe1560aa9ab8eb38eafdd19b342cc67860b9c4e123ecb20426e8af84d317cacdd450f11d111d0eaf2ae695817f35b5c48e
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Filesize
552KB
MD56c3fc532e62dd200fde7ed4270da9a82
SHA12d9feef911ef4fcba13c4e755fb7a00a031f1ae0
SHA2568f4447b0dbd915db524a9e21418120509307c980e04b717eff189a6643920bbc
SHA512266cbec59e668b7c2afefaa5b4471ffe1560aa9ab8eb38eafdd19b342cc67860b9c4e123ecb20426e8af84d317cacdd450f11d111d0eaf2ae695817f35b5c48e