Analysis
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max time kernel
64s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
21-11-2022 11:22
Static task
static1
Behavioral task
behavioral1
Sample
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe
Resource
win10v2004-20220812-en
General
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Target
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe
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Size
264KB
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MD5
30c103a128df62ca59a787716b770900
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SHA1
8d006ccb8798304cad93f67b805346c52350b0c9
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SHA256
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606
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SHA512
c811f38b48b4624142ad8e53bbbcaeb01b4bd9a0bc89f9c4b48fa7341f1d67475d483115db6353612c1fd75fa9071f9f2575f5ca3b2b58612e313634b3954bdd
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SSDEEP
6144:PuaekInuIHERjFJaW7/mf5FwIBkfGPfPZ:8uIHE7J9G52UkfGPnZ
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.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:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exepid process 1352 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe -
Loads dropped DLL 3 IoCs
Processes:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exepid process 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.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:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exedescription ioc process File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe -
Drops file in Windows directory 1 IoCs
Processes:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exedescription ioc process File opened for modification C:\Windows\svchost.com b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.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
Processes:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exedescription pid process target process PID 1428 wrote to memory of 1352 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe PID 1428 wrote to memory of 1352 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe PID 1428 wrote to memory of 1352 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe PID 1428 wrote to memory of 1352 1428 b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe"C:\Users\Admin\AppData\Local\Temp\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe"1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- 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\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exe"2⤵
- Executes dropped EXE
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\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exeFilesize
223KB
MD525902a9fa8a7b274bd7b2b0062c5e3ad
SHA11db9b2d73863797c919656a31aedc67f4dda0956
SHA256bbce2991761b720853e09584c9f59a4145c81d10fd61b28a776cc09cd3bb99c4
SHA51247648b3f1082559b0475998e987578924003de60a7a9619cc61af4d2e6857642cfd7b68ab15099ebbfd89c7462f122136945b81cceb69ff73edd49a53a893725
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\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXEFilesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exeFilesize
223KB
MD525902a9fa8a7b274bd7b2b0062c5e3ad
SHA11db9b2d73863797c919656a31aedc67f4dda0956
SHA256bbce2991761b720853e09584c9f59a4145c81d10fd61b28a776cc09cd3bb99c4
SHA51247648b3f1082559b0475998e987578924003de60a7a9619cc61af4d2e6857642cfd7b68ab15099ebbfd89c7462f122136945b81cceb69ff73edd49a53a893725
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\Users\Admin\AppData\Local\Temp\3582-490\b1a7101ef80aa6c387dea80962e76810e6ac64d740d7f763a52d7e7304da3606.exeFilesize
223KB
MD525902a9fa8a7b274bd7b2b0062c5e3ad
SHA11db9b2d73863797c919656a31aedc67f4dda0956
SHA256bbce2991761b720853e09584c9f59a4145c81d10fd61b28a776cc09cd3bb99c4
SHA51247648b3f1082559b0475998e987578924003de60a7a9619cc61af4d2e6857642cfd7b68ab15099ebbfd89c7462f122136945b81cceb69ff73edd49a53a893725
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memory/1352-57-0x0000000000000000-mapping.dmp
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memory/1352-61-0x0000000000400000-0x00000000004D2000-memory.dmpFilesize
840KB
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memory/1352-63-0x0000000000400000-0x00000000004D2000-memory.dmpFilesize
840KB
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memory/1428-54-0x0000000075F51000-0x0000000075F53000-memory.dmpFilesize
8KB
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memory/1428-60-0x0000000002620000-0x00000000026F2000-memory.dmpFilesize
840KB
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memory/1428-64-0x0000000002620000-0x00000000026F2000-memory.dmpFilesize
840KB