Analysis
-
max time kernel
140s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-11-2024 09:25
Static task
static1
Behavioral task
behavioral1
Sample
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
Resource
win10v2004-20241007-en
General
-
Target
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
-
Size
4.3MB
-
MD5
bf063d9fda89348906086c3b8ec1a6b4
-
SHA1
df24129fa947d9fb34901f629e04ffa17065f053
-
SHA256
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb
-
SHA512
fa7c707b1ab15280e618b72245e18f974ef20f5de88cc4af25354401ee27dc0c06ba90b1d8f50b0a8ee6ea92967cca98d8dc831e9ae7643199bb9cafe8456fa3
-
SSDEEP
24576:9jGt+gkE2fh4Coswkx2KdcPCl9AuDF5zUPGLG5SvAMZAMg9:9aUgkEaSPkx2KiPy9AuDzY
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
sysx32.exe_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exepid process 2124 sysx32.exe 2448 _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe -
Loads dropped DLL 8 IoCs
Processes:
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exeWerFault.exepid process 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe 2864 WerFault.exe 2864 WerFault.exe 2864 WerFault.exe 2864 WerFault.exe 2864 WerFault.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
sysx32.exedescription ioc process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
Processes:
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exesysx32.exedescription ioc process File created C:\Windows\SysWOW64\sysx32.exe 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
sysx32.exedescription ioc process File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.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.
Processes:
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exedescription pid process target process PID 392 wrote to memory of 2124 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe sysx32.exe PID 392 wrote to memory of 2124 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe sysx32.exe PID 392 wrote to memory of 2124 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe sysx32.exe PID 392 wrote to memory of 2124 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe sysx32.exe PID 392 wrote to memory of 2448 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe PID 392 wrote to memory of 2448 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe PID 392 wrote to memory of 2448 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe PID 392 wrote to memory of 2448 392 7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe PID 2448 wrote to memory of 2864 2448 _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe WerFault.exe PID 2448 wrote to memory of 2864 2448 _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe WerFault.exe PID 2448 wrote to memory of 2864 2448 _7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe"C:\Users\Admin\AppData\Local\Temp\7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:2124 -
C:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exeC:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2448 -s 5363⤵
- Loads dropped DLL
PID:2864
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\_7231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb.exe
Filesize4.3MB
MD54298bcad4a69e0be62f523e7ae11b423
SHA167d2a30b4d82b3ce2ff2dcf2e6c0a4e975f415c7
SHA25636c961b8ad83d5f3e50718facdc48db2edf0f85d4542b330fe06459c11997772
SHA512d2fba55f86c3487fb4523f1b3ba1776058bf835bd200a10512a4a773100733837997265e2cf7d67cca54935987049dbcc4896a7ca5467b76864295410873ca82
-
Filesize
4.3MB
MD5bf063d9fda89348906086c3b8ec1a6b4
SHA1df24129fa947d9fb34901f629e04ffa17065f053
SHA2567231914868efe6205dd1e12e58a17bad0c482468fce47c18c3ff16e39dba2cfb
SHA512fa7c707b1ab15280e618b72245e18f974ef20f5de88cc4af25354401ee27dc0c06ba90b1d8f50b0a8ee6ea92967cca98d8dc831e9ae7643199bb9cafe8456fa3