Analysis
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max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 19:09
Behavioral task
behavioral1
Sample
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe
Resource
win10v2004-20240226-en
General
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Target
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe
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Size
896KB
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MD5
202b69e64a8fea82db90b2414ae5431a
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SHA1
8bef0e70ec1a52dd7662e5ad93e0757284b5b0d0
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SHA256
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926
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SHA512
ee290ee57dcc786e1ffc56088aa6236c90ef550fc8756eb1efd0f8a30fd11b0ff717fccae0415e02cafaca9796bc1bcef1beb976df74b6b9c915461b14797879
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SSDEEP
24576:VJcRRv42YJv+YkdNY/BTBSSyhGJMx+NtbzDzN3WEzP8INpiKfg:URvGrl13d8Cpix
Malware Config
Signatures
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Detect Neshta payload 11 IoCs
Processes:
resource yara_rule C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe family_neshta behavioral2/memory/4748-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-100-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-106-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-108-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-109-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-110-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-111-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-112-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4748-113-0x0000000000400000-0x000000000041B000-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.
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe -
Executes dropped EXE 1 IoCs
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exepid process 780 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.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
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription ioc process File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~4.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~3.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{FB050~1\WINDOW~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MI9C33~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MI391D~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~2.EXE 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe -
Drops file in Windows directory 1 IoCs
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription ioc process File opened for modification C:\Windows\svchost.com 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.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
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exedescription pid process target process PID 4748 wrote to memory of 780 4748 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe PID 4748 wrote to memory of 780 4748 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe PID 4748 wrote to memory of 780 4748 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe 1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe"C:\Users\Admin\AppData\Local\Temp\1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.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:4748 -
C:\Users\Admin\AppData\Local\Temp\3582-490\1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe"2⤵
- Executes dropped EXE
PID:780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.4MB
MD58ffc3bdf4a1903d9e28b99d1643fc9c7
SHA1919ba8594db0ae245a8abd80f9f3698826fc6fe5
SHA2568268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
SHA5120b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
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C:\Users\Admin\AppData\Local\Temp\3582-490\1a11391b88600023a6482145104f94c0a86e5cd9d7426e942f263234f3b37926.exe
Filesize856KB
MD5d11e97536dfa2778f1c10517cb3bf17b
SHA111f25093932ee4f8f7d1a4075b4410b522ca179d
SHA256af3ae671ad68dcc2c51b5a2238afc55b73d7bbae3b096872bef35b8ca28de05b
SHA512f035a804c14dc2f6b24063870c3bc137c4980a5e504814c26c05a6777afedd4fb53b74b499aa9f291089f8941ae637c931f25173d5177687d5e95538ecd6ac1b