Analysis
- max time kernel
139s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
22/11/2022, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
20 signatures
150 seconds
General
- Target file.exe
- Size 354KB
- Sample221122-jlyxfsed78
- SHA256 30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
- MD5 b271a60290bfa0d0c6c2be665584956e
- SHA1 9ba7f474c0a3be0565c5c291c8d9121ae5e57557
- SHA512 2d2bd61463490bd681b2302dc59d0962c4fce2eb302e9bf8c594c36b03d7ee209423dc7471674047cef190788447b7ac0dc5bdca20be605b985c1c69051e53b9
- SSDEEP 6144:hglOGQOZIYMdVeC4iY3euVssMDmshnkf8+CwbG:l7pdcCfXuV16zc8wG
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
193.56.146.194/h49vlBP/index.php
Signatures
- Executes dropped EXE 3 IoCs
pid Process 1496 rovwer.exe 2800 rovwer.exe 4720 rovwer.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation rovwer.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
pid pid_target Process procid_target 1360 928 WerFault.exe 82 804 2800 WerFault.exe 94 4568 4720 WerFault.exe 98 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4912 schtasks.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 928 wrote to memory of 1496 928 file.exe 83 PID 928 wrote to memory of 1496 928 file.exe 83 PID 928 wrote to memory of 1496 928 file.exe 83 PID 1496 wrote to memory of 4912 1496 rovwer.exe 86 PID 1496 wrote to memory of 4912 1496 rovwer.exe 86 PID 1496 wrote to memory of 4912 1496 rovwer.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F3⤵
- Creates scheduled task(s)
PID:4912
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 9042⤵
- Program crash
PID:1360
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 928 -ip 9281⤵PID:1824
-
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:2800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 4282⤵
- Program crash
PID:804
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2800 -ip 28001⤵PID:2968
-
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:4720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 4282⤵
- Program crash
PID:4568
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4720 -ip 47201⤵PID:4228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 354KB
- SHA256 30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
- MD5 b271a60290bfa0d0c6c2be665584956e
- SHA1 9ba7f474c0a3be0565c5c291c8d9121ae5e57557
- SHA512 2d2bd61463490bd681b2302dc59d0962c4fce2eb302e9bf8c594c36b03d7ee209423dc7471674047cef190788447b7ac0dc5bdca20be605b985c1c69051e53b9
- SSDEEP 6144:hglOGQOZIYMdVeC4iY3euVssMDmshnkf8+CwbG:l7pdcCfXuV16zc8wG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 354KB
- SHA256 30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
- MD5 b271a60290bfa0d0c6c2be665584956e
- SHA1 9ba7f474c0a3be0565c5c291c8d9121ae5e57557
- SHA512 2d2bd61463490bd681b2302dc59d0962c4fce2eb302e9bf8c594c36b03d7ee209423dc7471674047cef190788447b7ac0dc5bdca20be605b985c1c69051e53b9
- SSDEEP 6144:hglOGQOZIYMdVeC4iY3euVssMDmshnkf8+CwbG:l7pdcCfXuV16zc8wG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 354KB
- SHA256 30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
- MD5 b271a60290bfa0d0c6c2be665584956e
- SHA1 9ba7f474c0a3be0565c5c291c8d9121ae5e57557
- SHA512 2d2bd61463490bd681b2302dc59d0962c4fce2eb302e9bf8c594c36b03d7ee209423dc7471674047cef190788447b7ac0dc5bdca20be605b985c1c69051e53b9
- SSDEEP 6144:hglOGQOZIYMdVeC4iY3euVssMDmshnkf8+CwbG:l7pdcCfXuV16zc8wG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
- Size 354KB
- SHA256 30b39abec09a0975936b022b05e4a8b6e2fe34cb52c533a1fdfb2f9832152b74
- MD5 b271a60290bfa0d0c6c2be665584956e
- SHA1 9ba7f474c0a3be0565c5c291c8d9121ae5e57557
- SHA512 2d2bd61463490bd681b2302dc59d0962c4fce2eb302e9bf8c594c36b03d7ee209423dc7471674047cef190788447b7ac0dc5bdca20be605b985c1c69051e53b9
- SSDEEP 6144:hglOGQOZIYMdVeC4iY3euVssMDmshnkf8+CwbG:l7pdcCfXuV16zc8wG
- MD5 SHA1 SHA512 SSDEEP