Analysis
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max time kernel
155s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 05:05
Static task
static1
Behavioral task
behavioral1
Sample
52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe
Resource
win10v2004-20221111-en
General
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Target
52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe
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Size
203KB
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MD5
d6a9dd3aee97b972e6e7dbddf3c0a56e
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SHA1
f60044d11436459f732dab4998911af5c2d6e806
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SHA256
52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed
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SHA512
605fb353f97b23afe53305a799ae93c8d18b7c583a6ff8cc48b436510ba7e3298d086c362d5bbdb1739431ae3515876cd0ca5c849808e9bbaee4ea6edafe4172
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SSDEEP
3072:lVkZ9BXXQI8I+5kbKILqwFxa7vaZJ3AcpwVvnGpjaDU4cT7ynsv:291QI8QXDFhJyJyIcTk
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 44 1708 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 4452 rovwer.exe 3456 rovwer.exe 992 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
rovwer.exe52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation rovwer.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1708 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-1-5-21-2386679933-1492765628-3466841596-1000\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 1980 440 WerFault.exe 52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe 2912 3456 WerFault.exe rovwer.exe 4272 992 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 1708 rundll32.exe 1708 rundll32.exe 1708 rundll32.exe 1708 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exerovwer.exedescription pid process target process PID 440 wrote to memory of 4452 440 52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe rovwer.exe PID 440 wrote to memory of 4452 440 52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe rovwer.exe PID 440 wrote to memory of 4452 440 52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe rovwer.exe PID 4452 wrote to memory of 1180 4452 rovwer.exe schtasks.exe PID 4452 wrote to memory of 1180 4452 rovwer.exe schtasks.exe PID 4452 wrote to memory of 1180 4452 rovwer.exe schtasks.exe PID 4452 wrote to memory of 1708 4452 rovwer.exe rundll32.exe PID 4452 wrote to memory of 1708 4452 rovwer.exe rundll32.exe PID 4452 wrote to memory of 1708 4452 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe"C:\Users\Admin\AppData\Local\Temp\52ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:440 -
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:4452 -
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:1180 -
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
PID:1708 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 440 -s 11402⤵
- Program crash
PID:1980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 440 -ip 4401⤵PID:4476
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:3456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 4202⤵
- Program crash
PID:2912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3456 -ip 34561⤵PID:1916
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 4362⤵
- Program crash
PID:4272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 992 -ip 9921⤵PID:4200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
203KB
MD5d6a9dd3aee97b972e6e7dbddf3c0a56e
SHA1f60044d11436459f732dab4998911af5c2d6e806
SHA25652ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed
SHA512605fb353f97b23afe53305a799ae93c8d18b7c583a6ff8cc48b436510ba7e3298d086c362d5bbdb1739431ae3515876cd0ca5c849808e9bbaee4ea6edafe4172
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
203KB
MD5d6a9dd3aee97b972e6e7dbddf3c0a56e
SHA1f60044d11436459f732dab4998911af5c2d6e806
SHA25652ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed
SHA512605fb353f97b23afe53305a799ae93c8d18b7c583a6ff8cc48b436510ba7e3298d086c362d5bbdb1739431ae3515876cd0ca5c849808e9bbaee4ea6edafe4172
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
203KB
MD5d6a9dd3aee97b972e6e7dbddf3c0a56e
SHA1f60044d11436459f732dab4998911af5c2d6e806
SHA25652ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed
SHA512605fb353f97b23afe53305a799ae93c8d18b7c583a6ff8cc48b436510ba7e3298d086c362d5bbdb1739431ae3515876cd0ca5c849808e9bbaee4ea6edafe4172
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
203KB
MD5d6a9dd3aee97b972e6e7dbddf3c0a56e
SHA1f60044d11436459f732dab4998911af5c2d6e806
SHA25652ab17e6baae53d7a40550a25026254632489408293f88189bba8e39d6b28aed
SHA512605fb353f97b23afe53305a799ae93c8d18b7c583a6ff8cc48b436510ba7e3298d086c362d5bbdb1739431ae3515876cd0ca5c849808e9bbaee4ea6edafe4172
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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/440-132-0x00000000006CD000-0x00000000006EC000-memory.dmpFilesize
124KB
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memory/440-136-0x0000000000610000-0x000000000064E000-memory.dmpFilesize
248KB
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memory/440-137-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/440-140-0x00000000006CD000-0x00000000006EC000-memory.dmpFilesize
124KB
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memory/992-150-0x0000000000510000-0x000000000052F000-memory.dmpFilesize
124KB
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memory/992-151-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1180-141-0x0000000000000000-mapping.dmp
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memory/1708-143-0x0000000000000000-mapping.dmp
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memory/3456-147-0x00000000007BF000-0x00000000007DE000-memory.dmpFilesize
124KB
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memory/3456-148-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/4452-142-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/4452-139-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/4452-138-0x00000000005BC000-0x00000000005DB000-memory.dmpFilesize
124KB
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memory/4452-133-0x0000000000000000-mapping.dmp