Analysis
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max time kernel
120s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
17-05-2022 07:53
Static task
static1
Behavioral task
behavioral1
Sample
920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe
Resource
win7-20220414-en
General
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Target
920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe
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Size
321KB
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MD5
198929adc74b1ba1e260c2b614e1ed80
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SHA1
2bc01b272b38257f357104ae6c2a7e70e59aabce
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SHA256
920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3
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SHA512
094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff
Malware Config
Extracted
amadey
3.08
185.215.113.35/d2VxjasuwS/index.php
Signatures
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suricata: ET MALWARE Amadey CnC Check-In
suricata: ET MALWARE Amadey CnC Check-In
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 62 368 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
ftewk.exeftewk.exeftewk.exepid process 3456 ftewk.exe 1344 ftewk.exe 4084 ftewk.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exeftewk.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation ftewk.exe -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exepid process 368 rundll32.exe 368 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-1-5-21-1809750270-3141839489-3074374771-1000\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 1552 4460 WerFault.exe 920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe 4056 1344 WerFault.exe ftewk.exe 4080 4084 WerFault.exe ftewk.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 368 rundll32.exe 368 rundll32.exe 368 rundll32.exe 368 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exeftewk.execmd.exedescription pid process target process PID 4460 wrote to memory of 3456 4460 920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe ftewk.exe PID 4460 wrote to memory of 3456 4460 920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe ftewk.exe PID 4460 wrote to memory of 3456 4460 920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe ftewk.exe PID 3456 wrote to memory of 1196 3456 ftewk.exe cmd.exe PID 3456 wrote to memory of 1196 3456 ftewk.exe cmd.exe PID 3456 wrote to memory of 1196 3456 ftewk.exe cmd.exe PID 3456 wrote to memory of 4688 3456 ftewk.exe schtasks.exe PID 3456 wrote to memory of 4688 3456 ftewk.exe schtasks.exe PID 3456 wrote to memory of 4688 3456 ftewk.exe schtasks.exe PID 1196 wrote to memory of 3476 1196 cmd.exe reg.exe PID 1196 wrote to memory of 3476 1196 cmd.exe reg.exe PID 1196 wrote to memory of 3476 1196 cmd.exe reg.exe PID 3456 wrote to memory of 368 3456 ftewk.exe rundll32.exe PID 3456 wrote to memory of 368 3456 ftewk.exe rundll32.exe PID 3456 wrote to memory of 368 3456 ftewk.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe"C:\Users\Admin\AppData\Local\Temp\920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe"C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\e014321378\3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\e014321378\4⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN ftewk.exe /TR "C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.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\9034267ed8b4ad\cred.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 4460 -s 12482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4460 -ip 44601⤵
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exeC:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 4922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1344 -ip 13441⤵
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exeC:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 4842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4084 -ip 40841⤵
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\e014321378\ftewk.exeFilesize
321KB
MD5198929adc74b1ba1e260c2b614e1ed80
SHA12bc01b272b38257f357104ae6c2a7e70e59aabce
SHA256920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3
SHA512094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exeFilesize
321KB
MD5198929adc74b1ba1e260c2b614e1ed80
SHA12bc01b272b38257f357104ae6c2a7e70e59aabce
SHA256920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3
SHA512094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exeFilesize
321KB
MD5198929adc74b1ba1e260c2b614e1ed80
SHA12bc01b272b38257f357104ae6c2a7e70e59aabce
SHA256920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3
SHA512094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff
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C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exeFilesize
321KB
MD5198929adc74b1ba1e260c2b614e1ed80
SHA12bc01b272b38257f357104ae6c2a7e70e59aabce
SHA256920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3
SHA512094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff
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C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dllFilesize
126KB
MD5d4ca12f7203548519be8455bd836274f
SHA17c8a18a80ba96c3944462f3a68e63b55da0e1bf4
SHA2567bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4
SHA512e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697
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C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dllFilesize
126KB
MD5d4ca12f7203548519be8455bd836274f
SHA17c8a18a80ba96c3944462f3a68e63b55da0e1bf4
SHA2567bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4
SHA512e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697
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C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dllFilesize
126KB
MD5d4ca12f7203548519be8455bd836274f
SHA17c8a18a80ba96c3944462f3a68e63b55da0e1bf4
SHA2567bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4
SHA512e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697
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memory/368-146-0x0000000000800000-0x0000000000824000-memory.dmpFilesize
144KB
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memory/368-142-0x0000000000000000-mapping.dmp
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memory/1196-136-0x0000000000000000-mapping.dmp
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memory/3456-133-0x0000000000000000-mapping.dmp
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memory/3456-139-0x0000000000503000-0x0000000000521000-memory.dmpFilesize
120KB
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memory/3456-140-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/3476-138-0x0000000000000000-mapping.dmp
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memory/4084-148-0x0000000000634000-0x0000000000651000-memory.dmpFilesize
116KB
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memory/4084-149-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/4460-130-0x0000000000602000-0x0000000000620000-memory.dmpFilesize
120KB
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memory/4460-132-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/4460-131-0x00000000006F0000-0x0000000000728000-memory.dmpFilesize
224KB
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memory/4688-137-0x0000000000000000-mapping.dmp