Analysis
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max time kernel
167s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 02:26
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
205KB
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MD5
2f5fa03167d16c17cea78afa580fa44d
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SHA1
f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
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SHA256
b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
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SHA512
67e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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SSDEEP
3072:x0R5BQE2WoC65ueDdgRqfxsMVLUeuhZbbbtkS3+txdQb11/:xs12WvexFxZhluhhbaK1
Malware Config
Extracted
amadey
3.50
193.56.146.194/h49vlBP/index.php
Signatures
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Detect Amadey credential stealer module 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module behavioral2/memory/1356-152-0x0000000000710000-0x0000000000734000-memory.dmp amadey_cred_module 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 1356 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
Processes:
rovwer.exerovwer.exerovwer.exerovwer.exepid process 4308 rovwer.exe 1404 rovwer.exe 2352 rovwer.exe 3472 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exepid process 1356 rundll32.exe 1356 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-1-5-21-2295526160-1155304984-640977766-1000\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 4 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 736 3940 WerFault.exe file.exe 4604 1404 WerFault.exe rovwer.exe 1176 2352 WerFault.exe rovwer.exe 3892 3472 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 1356 rundll32.exe 1356 rundll32.exe 1356 rundll32.exe 1356 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 3940 wrote to memory of 4308 3940 file.exe rovwer.exe PID 3940 wrote to memory of 4308 3940 file.exe rovwer.exe PID 3940 wrote to memory of 4308 3940 file.exe rovwer.exe PID 4308 wrote to memory of 3708 4308 rovwer.exe schtasks.exe PID 4308 wrote to memory of 3708 4308 rovwer.exe schtasks.exe PID 4308 wrote to memory of 3708 4308 rovwer.exe schtasks.exe PID 4308 wrote to memory of 1356 4308 rovwer.exe rundll32.exe PID 4308 wrote to memory of 1356 4308 rovwer.exe rundll32.exe PID 4308 wrote to memory of 1356 4308 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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 3940 -s 9082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3940 -ip 39401⤵
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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 1404 -s 4322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1404 -ip 14041⤵
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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 2352 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2352 -ip 23521⤵
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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 3472 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3472 -ip 34721⤵
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
205KB
MD52f5fa03167d16c17cea78afa580fa44d
SHA1f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
SHA256b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
SHA51267e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD52f5fa03167d16c17cea78afa580fa44d
SHA1f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
SHA256b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
SHA51267e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD52f5fa03167d16c17cea78afa580fa44d
SHA1f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
SHA256b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
SHA51267e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD52f5fa03167d16c17cea78afa580fa44d
SHA1f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
SHA256b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
SHA51267e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
205KB
MD52f5fa03167d16c17cea78afa580fa44d
SHA1f6f8078a89fae2d88d9419facb1eb8cd32d0e6d3
SHA256b8043d4ce6e629b96bb08bcef7bc8e1db65dd43b99b82ebe18a6b913246c2f44
SHA51267e8b292912f417dbfb95f74e222d2804d130b609c01c3028f902e04e4a55989bbcc2deef4a3ebda0b525154044e1e3154b72c9ae1440459f17b0bc6f832c873
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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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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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memory/1356-152-0x0000000000710000-0x0000000000734000-memory.dmpFilesize
144KB
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memory/1356-148-0x0000000000000000-mapping.dmp
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memory/1404-144-0x0000000000BF0000-0x0000000000C0F000-memory.dmpFilesize
124KB
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memory/1404-145-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/2352-156-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/2352-155-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/2352-154-0x0000000000E70000-0x0000000000E8F000-memory.dmpFilesize
124KB
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memory/3472-158-0x0000000000C00000-0x0000000000C1F000-memory.dmpFilesize
124KB
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memory/3472-159-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/3708-138-0x0000000000000000-mapping.dmp
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memory/3940-142-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/3940-141-0x0000000000D0D000-0x0000000000D2C000-memory.dmpFilesize
124KB
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memory/3940-132-0x0000000000D0D000-0x0000000000D2C000-memory.dmpFilesize
124KB
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memory/3940-134-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/3940-133-0x0000000000C80000-0x0000000000CBE000-memory.dmpFilesize
248KB
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memory/4308-139-0x0000000000C8C000-0x0000000000CAB000-memory.dmpFilesize
124KB
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memory/4308-147-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/4308-146-0x0000000000C8C000-0x0000000000CAB000-memory.dmpFilesize
124KB
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memory/4308-140-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/4308-135-0x0000000000000000-mapping.dmp