Analysis
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max time kernel
112s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
237KB
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MD5
56ea74271bbecfd918a3fc9c8bbc4b78
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SHA1
481a10efd5171276b3680d4c5fdee480b9ff4571
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SHA256
0e8c52d547666ed8fcb291fa742fbf2f5ec0b8a5f59ec009ad9781c9d2a2c0f4
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SHA512
1ac13ffdc21eeb464f5e6e2fd2cb6b7ea3cf869142e2634622fe3d1ea5935f26f412b2feaa08a9fc6c85e04285970d2d37f306f7faf25a3ed77e8ebf36545cc1
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SSDEEP
3072:0+2N06qhEjfT8d5DW7ilAaBeQtAYA3IBDWyBQj8ydRQUWlUFenKomY:RXEjfToWuHtBA3IkBj7PWlUKKfY
Malware Config
Extracted
amadey
3.50
193.56.146.194/h49vlBP/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 37 5036 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 4156 rovwer.exe 2524 rovwer.exe 456 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
file.exerovwer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 5036 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 424 3840 WerFault.exe file.exe 4212 2524 WerFault.exe rovwer.exe 3656 456 WerFault.exe rovwer.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 5036 rundll32.exe 5036 rundll32.exe 5036 rundll32.exe 5036 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 3840 wrote to memory of 4156 3840 file.exe rovwer.exe PID 3840 wrote to memory of 4156 3840 file.exe rovwer.exe PID 3840 wrote to memory of 4156 3840 file.exe rovwer.exe PID 4156 wrote to memory of 4604 4156 rovwer.exe schtasks.exe PID 4156 wrote to memory of 4604 4156 rovwer.exe schtasks.exe PID 4156 wrote to memory of 4604 4156 rovwer.exe schtasks.exe PID 4156 wrote to memory of 5036 4156 rovwer.exe rundll32.exe PID 4156 wrote to memory of 5036 4156 rovwer.exe rundll32.exe PID 4156 wrote to memory of 5036 4156 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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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
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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
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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)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3840 -ip 38401⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2524 -ip 25241⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 456 -ip 4561⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
237KB
MD556ea74271bbecfd918a3fc9c8bbc4b78
SHA1481a10efd5171276b3680d4c5fdee480b9ff4571
SHA2560e8c52d547666ed8fcb291fa742fbf2f5ec0b8a5f59ec009ad9781c9d2a2c0f4
SHA5121ac13ffdc21eeb464f5e6e2fd2cb6b7ea3cf869142e2634622fe3d1ea5935f26f412b2feaa08a9fc6c85e04285970d2d37f306f7faf25a3ed77e8ebf36545cc1
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
237KB
MD556ea74271bbecfd918a3fc9c8bbc4b78
SHA1481a10efd5171276b3680d4c5fdee480b9ff4571
SHA2560e8c52d547666ed8fcb291fa742fbf2f5ec0b8a5f59ec009ad9781c9d2a2c0f4
SHA5121ac13ffdc21eeb464f5e6e2fd2cb6b7ea3cf869142e2634622fe3d1ea5935f26f412b2feaa08a9fc6c85e04285970d2d37f306f7faf25a3ed77e8ebf36545cc1
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
237KB
MD556ea74271bbecfd918a3fc9c8bbc4b78
SHA1481a10efd5171276b3680d4c5fdee480b9ff4571
SHA2560e8c52d547666ed8fcb291fa742fbf2f5ec0b8a5f59ec009ad9781c9d2a2c0f4
SHA5121ac13ffdc21eeb464f5e6e2fd2cb6b7ea3cf869142e2634622fe3d1ea5935f26f412b2feaa08a9fc6c85e04285970d2d37f306f7faf25a3ed77e8ebf36545cc1
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
237KB
MD556ea74271bbecfd918a3fc9c8bbc4b78
SHA1481a10efd5171276b3680d4c5fdee480b9ff4571
SHA2560e8c52d547666ed8fcb291fa742fbf2f5ec0b8a5f59ec009ad9781c9d2a2c0f4
SHA5121ac13ffdc21eeb464f5e6e2fd2cb6b7ea3cf869142e2634622fe3d1ea5935f26f412b2feaa08a9fc6c85e04285970d2d37f306f7faf25a3ed77e8ebf36545cc1
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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memory/456-153-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/456-152-0x0000000000890000-0x00000000008AF000-memory.dmpFilesize
124KB
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memory/2524-147-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/2524-146-0x00000000008B0000-0x00000000008CF000-memory.dmpFilesize
124KB
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memory/3840-139-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/3840-132-0x000000000084D000-0x000000000086C000-memory.dmpFilesize
124KB
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memory/3840-138-0x000000000084D000-0x000000000086C000-memory.dmpFilesize
124KB
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memory/3840-134-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/3840-133-0x0000000002450000-0x000000000248E000-memory.dmpFilesize
248KB
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memory/4156-143-0x0000000000A4C000-0x0000000000A6B000-memory.dmpFilesize
124KB
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memory/4156-144-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/4156-142-0x0000000000400000-0x000000000071D000-memory.dmpFilesize
3.1MB
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memory/4156-141-0x0000000000A4C000-0x0000000000A6B000-memory.dmpFilesize
124KB
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memory/4156-135-0x0000000000000000-mapping.dmp
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memory/4604-140-0x0000000000000000-mapping.dmp
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memory/5036-148-0x0000000000000000-mapping.dmp