Analysis
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max time kernel
183s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2022, 17:58
Behavioral task
behavioral1
Sample
a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe
Resource
win10v2004-20220812-en
General
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Target
a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe
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Size
970KB
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MD5
6e1bf2aa439c7b5aa10e19e4c8157820
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SHA1
cbad049711bc1e4abb2f2255d7836ce496664dce
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SHA256
a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2
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SHA512
22a4abafef557a61d37434d5718acf99ae2cfa40e203ff1917097b1b7b848b28e0ffa1dca8b600a577748cd2622b07248193526a8cefb42d056f3a9248997f76
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SSDEEP
12288:6xTsYsTsVbMB+QtIrA0X5pUCXVIBkd0/Qw7:6yHgeB+Q+U0X5pbOBkd0/b
Malware Config
Signatures
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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\" %*" a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Executes dropped EXE 1 IoCs
pid Process 4840 a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe -
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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.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\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 3708 4840 WerFault.exe 81 -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 944 wrote to memory of 4840 944 a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe 81 PID 944 wrote to memory of 4840 944 a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe 81 PID 944 wrote to memory of 4840 944 a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe"C:\Users\Admin\AppData\Local\Temp\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe"1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe"2⤵
- Executes dropped EXE
PID:4840 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 8083⤵
- Program crash
PID:3708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4840 -ip 48401⤵PID:4104
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3582-490\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe
Filesize930KB
MD5273371bb81fe2b644a5b501a20c7a485
SHA1a87a66f9a69e5fa1ae5acd7787b67db1af589d2c
SHA2564136d6fb3b815dfacc27230eb5242121a3b0f4a75b881e359a94a81fa71e1516
SHA5126e7ab9bc5d10182397367b442d85d0c27b2f1f2786fc409ac3e02fbd2fc544f9060ffd621e2f3c80d952d02b840c2770b26770d1da43b109470f6ac407449d51
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C:\Users\Admin\AppData\Local\Temp\3582-490\a2df3791fce928acc910aa951a52e89ad3667f93cca9956ba9d3fa2b27c3d8d2.exe
Filesize930KB
MD5273371bb81fe2b644a5b501a20c7a485
SHA1a87a66f9a69e5fa1ae5acd7787b67db1af589d2c
SHA2564136d6fb3b815dfacc27230eb5242121a3b0f4a75b881e359a94a81fa71e1516
SHA5126e7ab9bc5d10182397367b442d85d0c27b2f1f2786fc409ac3e02fbd2fc544f9060ffd621e2f3c80d952d02b840c2770b26770d1da43b109470f6ac407449d51