Analysis
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max time kernel
109s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 06:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
204KB
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MD5
6db9f90e35fc9822ba519c3d5f73b097
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SHA1
97efadb6bae1b771ac02e9e478146b9da6eec90f
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SHA256
4e0e4e5c89829d6b4bcf56a9b46fd26a14a42f735a826842845171b6b6b08390
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SHA512
a1834d53c7dff4eb1359929cc02e51ba2fd5d31a5a4c980a0e4ee2aa651662a237fd71b25115ea5912575a387ffac7cd761e4f07acee2d5c0169a18b3cddc77f
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SSDEEP
3072:SZXUPARbZ+Qyl65FwpdNwztZRxI9Bkt7sc8BKR3xBId1dsq5tEmXqSsD2DAs:Q5RbAGINuxkkFscFhsQq5tEG9Y2x
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 43 2440 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 1512 rovwer.exe 2744 rovwer.exe 2344 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 2440 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 3848 3224 WerFault.exe file.exe 4152 2744 WerFault.exe rovwer.exe 1804 2344 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 2440 rundll32.exe 2440 rundll32.exe 2440 rundll32.exe 2440 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 3224 wrote to memory of 1512 3224 file.exe rovwer.exe PID 3224 wrote to memory of 1512 3224 file.exe rovwer.exe PID 3224 wrote to memory of 1512 3224 file.exe rovwer.exe PID 1512 wrote to memory of 2136 1512 rovwer.exe schtasks.exe PID 1512 wrote to memory of 2136 1512 rovwer.exe schtasks.exe PID 1512 wrote to memory of 2136 1512 rovwer.exe schtasks.exe PID 1512 wrote to memory of 2440 1512 rovwer.exe rundll32.exe PID 1512 wrote to memory of 2440 1512 rovwer.exe rundll32.exe PID 1512 wrote to memory of 2440 1512 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 3224 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3224 -ip 32241⤵
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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 2744 -s 4282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2744 -ip 27441⤵
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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 2344 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2344 -ip 23441⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
204KB
MD56db9f90e35fc9822ba519c3d5f73b097
SHA197efadb6bae1b771ac02e9e478146b9da6eec90f
SHA2564e0e4e5c89829d6b4bcf56a9b46fd26a14a42f735a826842845171b6b6b08390
SHA512a1834d53c7dff4eb1359929cc02e51ba2fd5d31a5a4c980a0e4ee2aa651662a237fd71b25115ea5912575a387ffac7cd761e4f07acee2d5c0169a18b3cddc77f
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
204KB
MD56db9f90e35fc9822ba519c3d5f73b097
SHA197efadb6bae1b771ac02e9e478146b9da6eec90f
SHA2564e0e4e5c89829d6b4bcf56a9b46fd26a14a42f735a826842845171b6b6b08390
SHA512a1834d53c7dff4eb1359929cc02e51ba2fd5d31a5a4c980a0e4ee2aa651662a237fd71b25115ea5912575a387ffac7cd761e4f07acee2d5c0169a18b3cddc77f
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
204KB
MD56db9f90e35fc9822ba519c3d5f73b097
SHA197efadb6bae1b771ac02e9e478146b9da6eec90f
SHA2564e0e4e5c89829d6b4bcf56a9b46fd26a14a42f735a826842845171b6b6b08390
SHA512a1834d53c7dff4eb1359929cc02e51ba2fd5d31a5a4c980a0e4ee2aa651662a237fd71b25115ea5912575a387ffac7cd761e4f07acee2d5c0169a18b3cddc77f
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
204KB
MD56db9f90e35fc9822ba519c3d5f73b097
SHA197efadb6bae1b771ac02e9e478146b9da6eec90f
SHA2564e0e4e5c89829d6b4bcf56a9b46fd26a14a42f735a826842845171b6b6b08390
SHA512a1834d53c7dff4eb1359929cc02e51ba2fd5d31a5a4c980a0e4ee2aa651662a237fd71b25115ea5912575a387ffac7cd761e4f07acee2d5c0169a18b3cddc77f
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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/1512-142-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1512-135-0x0000000000000000-mapping.dmp
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memory/1512-140-0x0000000000C2C000-0x0000000000C4B000-memory.dmpFilesize
124KB
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memory/1512-143-0x0000000000C2C000-0x0000000000C4B000-memory.dmpFilesize
124KB
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memory/1512-144-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/2136-141-0x0000000000000000-mapping.dmp
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memory/2344-153-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/2344-152-0x0000000000DE0000-0x0000000000DFF000-memory.dmpFilesize
124KB
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memory/2440-148-0x0000000000000000-mapping.dmp
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memory/2744-146-0x0000000000B70000-0x0000000000B8F000-memory.dmpFilesize
124KB
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memory/2744-147-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/3224-132-0x0000000000B2D000-0x0000000000B4C000-memory.dmpFilesize
124KB
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memory/3224-134-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/3224-133-0x0000000000C60000-0x0000000000C9E000-memory.dmpFilesize
248KB
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memory/3224-138-0x0000000000B2D000-0x0000000000B4C000-memory.dmpFilesize
124KB
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memory/3224-139-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB