Analysis
- max time kernel
91s - max time network
150s - 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, 04:42
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-fbr5daaggp
- SHA256 b1e5be9a4ea823145fbc20b91156b2abf0bfd0ee49c9a2647fdc1159c3987bdc
- MD5 df740aa277cdd5b6af69e73fc3ba3d8e
- SHA1 c3ec8dacb5939b35d548cbf4d4a0bca6904e9d88
- SHA512 7269c37f17925c381200762993fe2dd0e6f6be5cd15181af701ff010255eb580c2e0de41eb5713a33af1e99fd6dab38c411453d4b335159b1ff90cbba1a3a9bd
- SSDEEP 12288:2bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//pmaj:2Mrf7iaNVxow7MexdZ
- 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 5080 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\Adobe\ACROBA~1\Reader\ADOBEC~1.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\MICROS~1\VSTO\10.0\VSTOIN~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\Google\Update\1336~1.71\GOOGLE~1.EXE tmp.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.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~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE tmp.exe 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\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.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\Eula.exe tmp.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.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\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE tmp.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe tmp.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.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\msedge.exe tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~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\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.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\plug_ins\PI_BRO~1\32BITM~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\jucheck.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\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~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\Adobe\ACROBA~1\Reader\ACROBR~1.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\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~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\INTERN~1\ExtExport.exe tmp.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE tmp.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE tmp.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.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\COMMON~1\Java\JAVAUP~1\jaureg.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.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\COMMON~1\Java\JAVAUP~1\jusched.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\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~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\Adobe\ACROBA~1\Reader\ACROTE~1.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\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\MICROS~4.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\MOZILL~1\UNINST~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~3\PACKAG~1\{57A73~1\VC_RED~1.EXE tmp.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.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\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~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~2\wabmig.exe tmp.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe tmp.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.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\3.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 536 wrote to memory of 5080 536 tmp.exe 82 PID 536 wrote to memory of 5080 536 tmp.exe 82 PID 536 wrote to memory of 5080 536 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:536 -
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:5080
-
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 ca02408d2305c70859e74c2293db8ff1669c60f09e957dfa081307754daf27be
- MD5 ba5984d5fc22da47911086e9f63a3d21
- SHA1 9dce282d9429af7dbdbbb14eae6071a171d8e434
- SHA512 26949e868224aced8549633e82b218c42105282b9a74551228fd4042396c37d2064eafa7504394b339c2fa0c2ed55ee3a90cd8451c6c914995716ed4859a3727
- SSDEEP 12288:DQM9bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//Z:Dd9Mrf7iaNVxow7MeP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
- Size 514KB
- SHA256 ca02408d2305c70859e74c2293db8ff1669c60f09e957dfa081307754daf27be
- MD5 ba5984d5fc22da47911086e9f63a3d21
- SHA1 9dce282d9429af7dbdbbb14eae6071a171d8e434
- SHA512 26949e868224aced8549633e82b218c42105282b9a74551228fd4042396c37d2064eafa7504394b339c2fa0c2ed55ee3a90cd8451c6c914995716ed4859a3727
- SSDEEP 12288:DQM9bROJmafSPZDz7qElw2KxPo0q7qzC9b/uEvtHKYTsviIR8Cufe9ZqQwExr//Z:Dd9Mrf7iaNVxow7MeP
- MD5 SHA1 SHA512 SSDEEP