Analysis
- max time kernel
90s - max time network
49s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
13/10/2022, 12:33
Behavioral task
behavioral1
Sample
40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe
Resource
win7-20220812-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe
Resource
win10v2004-20220812-en
10 signatures
150 seconds
General
- Target 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe
- Size 473KB
- Sample221013-prd25aeag4
- SHA256 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb
- MD5 6239e87effa81d7f2b8ed583f05f4900
- SHA1 f70ffb89173d4ec8979bd9de84d7dfd1788f90eb
- SHA512 bb450cf6ca9a72e1bbb79fca50302692c14958bcbc3b5f565520a1a843d606b269a25bade50d5ca2583154fcf75510b1175357d07700b87a596c7d8be2381127
- SSDEEP 6144:k9CnmsB/nR6ofbs28D2lgVu6RG581BDZ7eYViHg6Ok8dju21vPH021vPH3:TnnKofbsxDcEu6E8XZ7nimlu0PU0PX
- 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\" %*" 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.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 768 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe - Loads dropped DLL 2 IoCs
pid Process 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.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\INTERN~1\ielowutil.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.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\" %*" 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1632 wrote to memory of 768 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe 28 PID 1632 wrote to memory of 768 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe 28 PID 1632 wrote to memory of 768 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe 28 PID 1632 wrote to memory of 768 1632 40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe"C:\Users\Admin\AppData\Local\Temp\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.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
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\3582-490\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe"2⤵
- Executes dropped EXE
PID:768
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe
- Size 433KB
- SHA256 0db371e26adfb7e0fdb84e6e1bdef909c3b1ab5a0f4fcb3d32c2e6c26f65a1d9
- MD5 03c1854b460a357c4df5eb94eb79bd56
- SHA1 8321dd026469e4b2b5acf60ed64fb5331c9ea6cc
- SHA512 5766f61e10dc5f301683c6c9b9a17f6e68405dbc711c4fce2172e50d9f79da56930990df0b34b4eda72103e0e8a073a7190c5c8befddc005bcd7836efb77d756
- SSDEEP 6144:H21vPHknmsB/nR6ofbs28D2lgVu6RG581BDZ7eYViHg6Ok8dju21vPH3:H0PEnnKofbsxDcEu6E8XZ7nimlu0PX
- MD5 SHA1 SHA512 SSDEEP
- Path \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
- Size 252KB
- SHA256 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
- MD5 9e2b9928c89a9d0da1d3e8f4bd96afa7
- SHA1 ec66cda99f44b62470c6930e5afda061579cde35
- SHA512 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
- SSDEEP 6144:gMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaU:gMTi0uhMqe9ts2zWTpMmCG7W
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\3582-490\40fcf9cc27520d330163771a390715589fc1bcba124a4be187b66d084051a3eb.exe
- Size 433KB
- SHA256 0db371e26adfb7e0fdb84e6e1bdef909c3b1ab5a0f4fcb3d32c2e6c26f65a1d9
- MD5 03c1854b460a357c4df5eb94eb79bd56
- SHA1 8321dd026469e4b2b5acf60ed64fb5331c9ea6cc
- SHA512 5766f61e10dc5f301683c6c9b9a17f6e68405dbc711c4fce2172e50d9f79da56930990df0b34b4eda72103e0e8a073a7190c5c8befddc005bcd7836efb77d756
- SSDEEP 6144:H21vPHknmsB/nR6ofbs28D2lgVu6RG581BDZ7eYViHg6Ok8dju21vPH3:H0PEnnKofbsxDcEu6E8XZ7nimlu0PX
- MD5 SHA1 SHA512 SSDEEP