Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 03:23
Behavioral task
behavioral1
Sample
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe
Resource
win10v2004-20241007-en
General
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Target
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe
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Size
616KB
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MD5
a83e6809836d453aa4be9a7fec5ef750
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SHA1
820d02e62f20eea1fcb8d02c1c62c291da23f3c5
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SHA256
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5c
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SHA512
d399711069adb2e41a67dffdf7970e3bf8d1a8e98442497a054c007af16361842dc18ade1539e952e40f6cab0b20f9555e8ffdd74e0a2abf41fb7f9f4b5634f7
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SSDEEP
12288:rAVnIi3ROwIRuHnOyP0DILbb+zLncNmEqAQOH2mOvbuio1DC:roIihOwIAHnOyP0DILbbGLcNmEqKHliX
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
Processes:
resource yara_rule behavioral1/files/0x0001000000010314-10.dat family_neshta behavioral1/memory/2316-83-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2316-85-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Executes dropped EXE 1 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exepid Process 2136 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Loads dropped DLL 2 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exepid Process 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Reads user/profile data of web browsers 3 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:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription ioc Process File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Drops file in Windows directory 1 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription ioc Process File opened for modification C:\Windows\svchost.com a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Modifies registry class 1 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exedescription pid Process procid_target PID 2316 wrote to memory of 2136 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe 28 PID 2316 wrote to memory of 2136 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe 28 PID 2316 wrote to memory of 2136 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe 28 PID 2316 wrote to memory of 2136 2316 a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe"C:\Users\Admin\AppData\Local\Temp\a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe"2⤵
- Executes dropped EXE
PID:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\a1c70736a44f98fd3c1216dcfca8645dee56aee6e1c46cd8fdcc3b1e01cdba5cN.exe
Filesize575KB
MD5ed2bf66439a4eae91b276587599e3c16
SHA1cdfc99167f5e8521c93b69559856296b82332357
SHA256ca1cec40bb1dec35dca91b7aa7f11f316f25591f75edd7b5860b9d1efaf5c321
SHA512241775b3a79254b1965a2c9b5abc42b201313fa85e980c9e1d616dad6629b05c93ef8c996df3121cfd032e414aab8be8fbc86e0ba2d5c4c9267fc934c5fee656