Analysis
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max time kernel
92s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 17:07
Behavioral task
behavioral1
Sample
1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe
Resource
win7-20231215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe
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Size
89KB
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MD5
c37df2fb1a7554b26d25eff2336d819a
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SHA1
c0aca92e933ac1d61d68e3ed75c844734674e8dd
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SHA256
1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395
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SHA512
bcb18378db582e8b61131edba46aacf4ff314113de928304f2b3fbaeeff4ca90659fd968d6d2b1f6f2e9fb840ebc9e629dde17bd39c26d592e2825f2f5a19319
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SSDEEP
1536:JxqjQ+P04wsmJCWiDY4sxuxas1318HxZATvnsblYOW/:sr85CBYpIz1318RZEvsbyOg
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020048-12.dat family_neshta behavioral2/memory/2620-95-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2620-96-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/2620-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
MAKOP ransomware payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023218-4.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.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\" %*" 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.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~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MI391D~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~4.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MIA062~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\PACKAG~1\{17316~1\WINDOW~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~2.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.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\" %*" 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2620 wrote to memory of 5100 2620 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe 86 PID 2620 wrote to memory of 5100 2620 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe 86 PID 2620 wrote to memory of 5100 2620 1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe"C:\Users\Admin\AppData\Local\Temp\1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.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:2620 -
C:\Users\Admin\AppData\Local\Temp\3582-490\1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe"2⤵
- Executes dropped EXE
PID:5100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.4MB
MD58ffc3bdf4a1903d9e28b99d1643fc9c7
SHA1919ba8594db0ae245a8abd80f9f3698826fc6fe5
SHA2568268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
SHA5120b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
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C:\Users\Admin\AppData\Local\Temp\3582-490\1f6e98e617ae9025b833ab220d205216938751881c1399bca1e67835b11d4395.exe
Filesize49KB
MD5b8d9f0b16c5ac6c716c703d3898eb8f0
SHA165546730f2100591ade4f83b5f90d8a83cd84998
SHA256252465c176b85d4c80f79220bffbcf52693237ca12216a128d65568bef110952
SHA512aa50c11118d0a302e621e9c04e68a03330b91500e5f0cf3db681668fa920c5499ec45c39f8877d71078f97004fa68a68eefbd2d1af33c4eeb631494b1ab5c358