Analysis
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max time kernel
184s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 02:39
Static task
static1
Behavioral task
behavioral1
Sample
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe
Resource
win10v2004-20220812-en
General
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Target
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe
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Size
1.2MB
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MD5
778ba1fa75c485d94d343facff0c9f95
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SHA1
a4284cccd85c4b707fb00f6607d89b2b0a288f40
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SHA256
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3
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SHA512
b547ac4d2d5a874ff1d04dc4aa6046bc7107216cb6f135a85c3b0d9520aa06ab17415f1d7ed120c5627cdb8fc438fdd6fae113a50d5feca1d5af87ec31e5c745
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SSDEEP
12288:MlcZK8qBwbfrvUI+qj2poXJ8t/sGXAm903IYLH6voaJtz:9K8qwf7Utk2poXJ8tEGXAm94PLHAtJ9
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.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
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exepid process 528 c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.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:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription ioc process File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe -
Drops file in Windows directory 1 IoCs
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription ioc process File opened for modification C:\Windows\svchost.com c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.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
Processes:
WerFault.exepid pid_target process target process 4824 528 WerFault.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe -
Modifies registry class 1 IoCs
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exedescription pid process target process PID 2228 wrote to memory of 528 2228 c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe PID 2228 wrote to memory of 528 2228 c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe"C:\Users\Admin\AppData\Local\Temp\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.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
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C:\Users\Admin\AppData\Local\Temp\3582-490\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exe"2⤵
- Executes dropped EXE
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 528 -s 5443⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 528 -ip 5281⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3582-490\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exeFilesize
1.1MB
MD5c326862e222ac7998e1f5491ca510e87
SHA18a636e13336fac3068b98bc5562a182bd5823b31
SHA2562a5e1b3efcaf807b9fce94c655eb88f8f6d2c7ff3bd11c5e30ee821ff0c9b236
SHA5125db82bbfabae527c74b062d7fbb4041b283ebbf2d7c26ac8e801992478e31b423bfd4358f31e0005200bff462b4922e6e306bad23a1dc84401960805b625829d
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C:\Users\Admin\AppData\Local\Temp\3582-490\c1fdd300b01a24052da454295afed738f00d6aa28d2383bd9af4ff03736851c3.exeFilesize
1.1MB
MD5c326862e222ac7998e1f5491ca510e87
SHA18a636e13336fac3068b98bc5562a182bd5823b31
SHA2562a5e1b3efcaf807b9fce94c655eb88f8f6d2c7ff3bd11c5e30ee821ff0c9b236
SHA5125db82bbfabae527c74b062d7fbb4041b283ebbf2d7c26ac8e801992478e31b423bfd4358f31e0005200bff462b4922e6e306bad23a1dc84401960805b625829d
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memory/528-132-0x0000000000000000-mapping.dmp