Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 18:38
Behavioral task
behavioral1
Sample
2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe
Resource
win7-20240221-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe
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Size
89KB
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MD5
b2170fe582b4031cfa6871aa005350ea
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SHA1
41381436bd2f7c049cf56316ab9b523e6e5e480c
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SHA256
ed76a964fbb871aa0c8b851461b2438c05a062bc2aced6fac72adb95066fe21b
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SHA512
9cbf499cc74d523bf3f9a33b9edbf0c430dc73a0dad0672cb752342614be137c65fd1e07cdba6ae6ccd474169746e7d21cc5d38b8dd445ef9f846ca6bd065511
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SSDEEP
1536:JxqjQ+P04wsmJCfJeYRLGlxaqE318HxZATvnsblYO6VC/:sr85Cf/RL+a318RZEvsbyOkC/
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 5 IoCs
resource yara_rule behavioral2/files/0x00060000000202b8-12.dat family_neshta behavioral2/memory/4536-103-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4536-104-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4536-105-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4536-107-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
MAKOP ransomware payload 1 IoCs
resource yara_rule behavioral2/files/0x000800000002349f-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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe -
Executes dropped EXE 1 IoCs
pid Process 4492 2024-05-27_b2170fe582b4031cfa6871aa005350ea_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\" %*" 2024-05-27_b2170fe582b4031cfa6871aa005350ea_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\arh.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~3.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MI391D~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MI9C33~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13185~1.29\MICROS~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.29\MICROS~4.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 2024-05-27_b2170fe582b4031cfa6871aa005350ea_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\" %*" 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4536 wrote to memory of 4492 4536 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe 82 PID 4536 wrote to memory of 4492 4536 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe 82 PID 4536 wrote to memory of 4492 4536 2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_b2170fe582b4031cfa6871aa005350ea_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:4536 -
C:\Users\Admin\AppData\Local\Temp\3582-490\2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe"2⤵
- Executes dropped EXE
PID:4492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Temp\3582-490\2024-05-27_b2170fe582b4031cfa6871aa005350ea_makop_neshta.exe
Filesize49KB
MD506093c6a648a6b7eeb8504999fc98733
SHA1f5a71578d13d57ba1fc2a34bf5ceb55109843e18
SHA256994fd55de0c9a0d2c9011155d76adfe71b4a6f3c5a0bb802269a204e959f61b7
SHA512d29caa1acec43d32e634fe37261ea607ead92223211cc90ceb7c0f1ef27932c7300399ad34b900578258aa49e6f53e47464a68d8147843419ffa9742667450e0