Analysis
- max time kernel
107s - max time network
111s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
25/08/2024, 07:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
665ad90352bff89abeb4908dbc8dcb20N.exe
Resource
win7-20240704-en
4 signatures
120 seconds
General
- Target 665ad90352bff89abeb4908dbc8dcb20N.exe
- Size 24KB
- Sample240825-hvw9jsshml
- SHA256 7708857c0396801c4d7d2a95898fbbd3e11f5c988bde742072314d64e97a7a5e
- MD5 665ad90352bff89abeb4908dbc8dcb20
- SHA1 b7d0102afc734abb2d277b6f7e75fa8b185521f4
- SHA512 3fac7d214f8d4479478ddd058f92db559567205cab030a40ebee06b025a254a9ee4b7510a4fe9517f48b0e6990e3eab4b2eaa55dc1fd9bca61773c87f59c8e52
- SSDEEP 384:ErzPe3ulXCpNoApPFOkHaGeXpz+rx6ytN37DPvSqlkGz+J7NCB5GOdkoK80TSvUb:ErzqwCpNvFP5eX90v7zvHqn453dIb/4M
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2288 rmass.exe -
resource yara_rule behavioral2/memory/2288-4-0x0000000000400000-0x0000000000411000-memory.dmp upx behavioral2/files/0x000900000002346c-3.dat upx - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rmass.exe 665ad90352bff89abeb4908dbc8dcb20N.exe File created C:\Windows\SysWOW64\rmass.exe 665ad90352bff89abeb4908dbc8dcb20N.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 665ad90352bff89abeb4908dbc8dcb20N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\665ad90352bff89abeb4908dbc8dcb20N.exe"C:\Users\Admin\AppData\Local\Temp\665ad90352bff89abeb4908dbc8dcb20N.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4564 -
C:\Windows\SysWOW64\rmass.exe"C:\Windows\SysWOW64\rmass.exe"2⤵
- Executes dropped EXE
PID:2288
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\rmass.exe
- Size 21KB
- SHA256 3dfbcdf9baa80be6714841b916d9eb1da9e1b420d817d2b19507df428555ce0f
- MD5 e196729200117612f28125021667d639
- SHA1 a5e07b70b15cbd06d494ddc18374972da631ed33
- SHA512 c432c6fce28c0ce8fded0fecf6f346226db6428b67694d42d152eba3a8b1df645052ecbecb7e980f7e77d59ff1a41b0099194da51cbbdbcfc244071cb32d6ae1
- SSDEEP 384:UBWoC5GDr6wc/w3HgM6vDUTAXBGCVf4WVlFvXwf64:rRkiLw3HsDSARGG/gZ
- MD5 SHA1 SHA512 SSDEEP