Analysis
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max time kernel
147s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2022, 21:16
Static task
static1
Behavioral task
behavioral1
Sample
a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
Resource
win10v2004-20220901-en
General
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Target
a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
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Size
1.0MB
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MD5
6416729fb978fc6643e59ccc3a2790ec
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SHA1
a79704ecc23a7468436eaaffb45a617126434ab7
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SHA256
a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8
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SHA512
4947c1e202d2124d0bc3a5e9112072d52a05b9453f20fb93a347c019e6a203e37a3faf516ab084730b3f33502a072c7112ee29c9c618438168721da2e8ce20d9
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SSDEEP
24576:MNs1cOV3lUb9oOwkcSPG0Zh4X+6tYBPEueryCDQ7tM:MNUNZswpgZhb6wCNQa
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\" %*" a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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 3932 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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\Adobe\ACROBA~1\Reader\ACROBR~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MI9C33~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~3.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~2.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~4.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MI391D~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MIA062~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3932 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe 3932 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1984 wrote to memory of 3932 1984 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe 84 PID 1984 wrote to memory of 3932 1984 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe 84 PID 1984 wrote to memory of 3932 1984 a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"C:\Users\Admin\AppData\Local\Temp\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.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:1984 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3932
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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\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
Filesize1011KB
MD515ce577f46bda1dfa2c8b10a8d0a02e5
SHA18fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb
SHA2561991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855
SHA512d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b
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C:\Users\Admin\AppData\Local\Temp\3582-490\a90ac552ec369851ec4579b4a603d2b4a11ad3432c41cfc74f071900e89dc2c8.exe
Filesize1011KB
MD515ce577f46bda1dfa2c8b10a8d0a02e5
SHA18fd1b1b2a48dbc55453bbd45e23b6a54d7afbefb
SHA2561991ad953d2ee4f310fb5bb8b2e682c0a777ffc394242da8d533255666ad6855
SHA512d78376fcf6b954afc2d8856d949365b5df5f146c4f48dab41eeb85e47e9987dc2c8c28aac2c79549b045022a14b7819ab42d33ca57f8a48d9800759083a4a36b