Analysis
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max time kernel
163s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/10/2022, 17:58
Behavioral task
behavioral1
Sample
37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe
Resource
win10v2004-20220812-en
General
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Target
37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe
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Size
426KB
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MD5
58bc234211a3153453758c1f12e525a0
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SHA1
a8ed82dc5e574988b88eb75a88f7cd8eb0348954
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SHA256
37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9
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SHA512
2ece654eae3c5d2a3e51b5bb81c4100afa210eb1b2b5c968327e68199da01625e203e8a0b976a9b257f44e7849d77a764849e68b91c675d111174a27649ad548
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SSDEEP
12288:J6i2OorcO8dsBKDUwqZHDqLzvcUGITg//XVgQQ:J6iVorcOesBKDUwqZjqHUUGITc3Q
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\" %*" 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.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 936 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe -
Loads dropped DLL 2 IoCs
pid Process 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.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\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.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\" %*" 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1104 wrote to memory of 936 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe 27 PID 1104 wrote to memory of 936 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe 27 PID 1104 wrote to memory of 936 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe 27 PID 1104 wrote to memory of 936 1104 37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe"C:\Users\Admin\AppData\Local\Temp\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.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:1104 -
C:\Users\Admin\AppData\Local\Temp\3582-490\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe"2⤵
- Executes dropped EXE
PID:936
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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\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe
Filesize385KB
MD5ee50651e28162c424a59364778398630
SHA1c74ad79064edf2b0ef61ed2025bc928a7b3a6668
SHA256825828caa01909a8263b65db9127e8103eaa72db9f919dbc0f841d17b5ba7a9e
SHA512f72465183dbca793c8c895cb0387646cc12b6914c712ee0af5ea6d68a1146cec259593daef497abe022fbedabe659e966b10e43b651e4244da1673b3be19ebe6
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\37fa8757aceda33ae6d1b2fc9866756b013c01dbc4eb0897517bf6bf278426c9.exe
Filesize385KB
MD5ee50651e28162c424a59364778398630
SHA1c74ad79064edf2b0ef61ed2025bc928a7b3a6668
SHA256825828caa01909a8263b65db9127e8103eaa72db9f919dbc0f841d17b5ba7a9e
SHA512f72465183dbca793c8c895cb0387646cc12b6914c712ee0af5ea6d68a1146cec259593daef497abe022fbedabe659e966b10e43b651e4244da1673b3be19ebe6