Analysis
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max time kernel
127s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2024 06:56
Behavioral task
behavioral1
Sample
2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
Resource
win7-20231215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
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Size
89KB
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MD5
a6bd87588e880f65273180ce92385fa1
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SHA1
2c28e8a0557deb38741dc0eb805754814c81b7de
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SHA256
e8013dbbfa2755e6cb962d3babb23c9d3f0f7ca615c887cd2cdbd9011cd5d44a
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SHA512
d91f946d5703d57b8cd72c7a92727e3f3182106ab644847b5f5b8db1b58ccc10f5a5168d3b8ca49beb61a384d3bca8a478596fbc8d55836955470517032cfcd2
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SSDEEP
1536:JxqjQ+P04wsmJCvTT2sd5sxaS318HxZATvnsblYO4/+:sr85CHRd5Kr318RZEvsbyOk+
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000002003c-12.dat family_neshta behavioral2/memory/3892-95-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3892-96-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3892-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
MAKOP ransomware payload 1 IoCs
resource yara_rule behavioral2/files/0x00090000000231f9-4.dat family_makop -
Makop
Ransomware family discovered by @VK_Intel in early 2020.
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe -
Executes dropped EXE 1 IoCs
pid Process 3452 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe -
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\" %*" 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.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\WOW_HE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~2.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{FB050~1\WINDOW~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~3.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MI9C33~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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\" %*" 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3892 wrote to memory of 3452 3892 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe 87 PID 3892 wrote to memory of 3452 3892 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe 87 PID 3892 wrote to memory of 3452 3892 2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Users\Admin\AppData\Local\Temp\3582-490\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe"2⤵
- Executes dropped EXE
PID:3452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.1MB
MD580cf51f8731fdcfe36c7143b57b2342d
SHA1434cb6a448059c2030a17b66bc2c8882045c33c4
SHA2564d154a904e5bcf8d58045a65b0c9fe4baf179a6f60ae417cf83c989b9c43ca3b
SHA512f254af7b81354ad4fc6dbb15940105a3316cf274e40366c3dfb1c0f10cded489be89fc6104b95e775a0642eb8bdec34081d88189b830552b87197210fc64463b
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C:\Users\Admin\AppData\Local\Temp\3582-490\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
Filesize49KB
MD502a575b9f4c0018b36c1ddf6eac3020c
SHA15135f093a792f6e36d36f353b845ceaa0419d380
SHA25681eaa2c5cbcb5997f6880834ce09ce80aedc68510f1b8cd61030ea925344b829
SHA51241291fb341857db845caec441131ae815b5a24d787f00e7dcdb2fdae86d674a4f1f4cfbb938ef0475ac51ed456697482bb13febdc92d9a3dfbbac59e01845f6b