Analysis
- max time kernel
91s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
17/10/2022, 04:45
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target tmp.exe
- Size 555KB
- Sample221017-fdjwsaafg4
- SHA256 1014e19ed387f6fb4508e963ca2c35777551ae16a03471a0a15ac30bb0d2a521
- MD5 30a1ae80a5a4f3de9bafadcabb2c5671
- SHA1 58806c79563a4706ff8018a29ca4a85cfcf65c76
- SHA512 6583d6a3c85584919809f4e40763a717c4a22aa2386bcdca0ae646f656fef7480a193b1551310075ef50f57865018db0c20869e55c6e667eff54ca5b28ec6c44
- SSDEEP 12288:2bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//pmai:2Mrf7iaNVxow7vebdZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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\" %*" tmp.exe - Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- Executes dropped EXE 1 IoCs
pid Process 1088 tmp.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 tmp.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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\NOTIFI~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE tmp.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe tmp.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe tmp.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE tmp.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe tmp.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe tmp.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE tmp.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe tmp.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe tmp.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE tmp.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe tmp.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe tmp.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com tmp.exe File created C:\Windows\Boot\33.bat tmp.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" tmp.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3064 wrote to memory of 1088 3064 tmp.exe 82 PID 3064 wrote to memory of 1088 3064 tmp.exe 82 PID 3064 wrote to memory of 1088 3064 tmp.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.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:3064 -
C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1088
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
- Size 514KB
- SHA256 3135dbf1a85f32fd3282c7db44674cfefa84777b65fa172d1d53499c767912b2
- MD5 73f65ef310f04a5f8b9ba90524899a8c
- SHA1 77f616aa67eac5f87c669165a7b7b818d89b6797
- SHA512 8ad853900f0e4f9ded39b6c46252a42b14e18d7eb8c3bf5f887374f863262c37a5726f4222cd432e59a5524549515e3530c2ec350fe6292b55d17f0933316be6
- SSDEEP 12288:DQM9bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//8:Dd9Mrf7iaNVxow7ve9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
- Size 514KB
- SHA256 3135dbf1a85f32fd3282c7db44674cfefa84777b65fa172d1d53499c767912b2
- MD5 73f65ef310f04a5f8b9ba90524899a8c
- SHA1 77f616aa67eac5f87c669165a7b7b818d89b6797
- SHA512 8ad853900f0e4f9ded39b6c46252a42b14e18d7eb8c3bf5f887374f863262c37a5726f4222cd432e59a5524549515e3530c2ec350fe6292b55d17f0933316be6
- SSDEEP 12288:DQM9bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//8:Dd9Mrf7iaNVxow7ve9
- MD5 SHA1 SHA512 SSDEEP