Analysis
-
max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/11/2024, 22:50
Static task
static1
Behavioral task
behavioral1
Sample
5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe
Resource
win10v2004-20241007-en
General
-
Target
5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe
-
Size
3.5MB
-
MD5
85c8afc09052a2fef24837d714678b60
-
SHA1
a8f08db718a77cb2cd18a1ce417b8a146b3c046e
-
SHA256
5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773
-
SHA512
5310d39be2fb51bf4e27d23e4d9658367052ad64b1072aacac3338837f2e6c4f8a736238e443c29e9f264ee39041f2e1b5c1de78d2405cd254d11c6e7d38eada
-
SSDEEP
49152:95d4Opr7wspHYHpLKkLJU9nU2foKhA4vSWidGHp+NDGQUzbpDOfjxAkrL:n6sp2LK3BDhtvS0Hpe4zbpaAKL
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 2820 sysx32.exe 2616 _5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe -
Loads dropped DLL 3 IoCs
pid Process 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysx32.exe 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\MergeMeasure.exe.tmp sysx32.exe File opened for modification C:\Program Files\MergeMeasure.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2736 wrote to memory of 2820 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 30 PID 2736 wrote to memory of 2820 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 30 PID 2736 wrote to memory of 2820 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 30 PID 2736 wrote to memory of 2820 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 30 PID 2736 wrote to memory of 2616 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 31 PID 2736 wrote to memory of 2616 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 31 PID 2736 wrote to memory of 2616 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 31 PID 2736 wrote to memory of 2616 2736 5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe"C:\Users\Admin\AppData\Local\Temp\5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.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:2736 -
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:2820
-
-
C:\Users\Admin\AppData\Local\Temp\_5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exeC:\Users\Admin\AppData\Local\Temp\_5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe2⤵
- Executes dropped EXE
PID:2616
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\_5c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773.exe
Filesize3.5MB
MD55d40d7aceab933668d2da3bd20cac1e4
SHA194b7d4f05caee8130d40bd8a65fcd3095a26cbd3
SHA256af75b2c2b654c02871a6ff88205701a3a81acecdc0faae58ee5ed8400b04c1f4
SHA5120eb2618005996a3076a0b0ce16c8c133431a10270c2e6e9c7994742bca0e36532f46b0b75bd9ac2a7f033858d98cd8592bdf91dc6d135a1946c743af1fa68d2c
-
Filesize
3.5MB
MD585c8afc09052a2fef24837d714678b60
SHA1a8f08db718a77cb2cd18a1ce417b8a146b3c046e
SHA2565c63ccf3b00ec3420ad6361272ed1ff6732708ae659de5b919678756fdfea773
SHA5125310d39be2fb51bf4e27d23e4d9658367052ad64b1072aacac3338837f2e6c4f8a736238e443c29e9f264ee39041f2e1b5c1de78d2405cd254d11c6e7d38eada