Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 19:26
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
226KB
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MD5
3ae59c9fbf0731755809b226e9b7e2d9
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SHA1
2ba32e4c084b8ca8902973bafb23454629428a17
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SHA256
f1516efa055fad665ba217da4ffa803cc84925f6663b4a6eb5a0d17a5906e36c
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SHA512
8146faee25e04d5a37461b2625b93ff4452e47977f8213259decabcce272f5bd4ee0b6e1e46184a14a394fa5fc4fabcd178893d395ad78bb76fdc0c23b28e3e2
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SSDEEP
3072:jq0twEKbBPN6cTS5f8a4HG0eMQO3NAOVixvjtvo4p5jcSbjz77bCKZhfcL:n/K9PNTHa4HGzMZedxG4pxjz77/GL
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 2860 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 2316 rovwer.exe 3944 rovwer.exe 2224 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
rovwer.exefile.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation rovwer.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2860 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-1-5-21-2629973501-4017243118-3254762364-1000\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 5040 2220 WerFault.exe file.exe 4936 3944 WerFault.exe rovwer.exe 4908 2224 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 2860 rundll32.exe 2860 rundll32.exe 2860 rundll32.exe 2860 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 2220 wrote to memory of 2316 2220 file.exe rovwer.exe PID 2220 wrote to memory of 2316 2220 file.exe rovwer.exe PID 2220 wrote to memory of 2316 2220 file.exe rovwer.exe PID 2316 wrote to memory of 1736 2316 rovwer.exe schtasks.exe PID 2316 wrote to memory of 1736 2316 rovwer.exe schtasks.exe PID 2316 wrote to memory of 1736 2316 rovwer.exe schtasks.exe PID 2316 wrote to memory of 2860 2316 rovwer.exe rundll32.exe PID 2316 wrote to memory of 2860 2316 rovwer.exe rundll32.exe PID 2316 wrote to memory of 2860 2316 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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 2220 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2220 -ip 22201⤵
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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 3944 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3944 -ip 39441⤵
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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 2224 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2224 -ip 22241⤵
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
226KB
MD53ae59c9fbf0731755809b226e9b7e2d9
SHA12ba32e4c084b8ca8902973bafb23454629428a17
SHA256f1516efa055fad665ba217da4ffa803cc84925f6663b4a6eb5a0d17a5906e36c
SHA5128146faee25e04d5a37461b2625b93ff4452e47977f8213259decabcce272f5bd4ee0b6e1e46184a14a394fa5fc4fabcd178893d395ad78bb76fdc0c23b28e3e2
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
226KB
MD53ae59c9fbf0731755809b226e9b7e2d9
SHA12ba32e4c084b8ca8902973bafb23454629428a17
SHA256f1516efa055fad665ba217da4ffa803cc84925f6663b4a6eb5a0d17a5906e36c
SHA5128146faee25e04d5a37461b2625b93ff4452e47977f8213259decabcce272f5bd4ee0b6e1e46184a14a394fa5fc4fabcd178893d395ad78bb76fdc0c23b28e3e2
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
226KB
MD53ae59c9fbf0731755809b226e9b7e2d9
SHA12ba32e4c084b8ca8902973bafb23454629428a17
SHA256f1516efa055fad665ba217da4ffa803cc84925f6663b4a6eb5a0d17a5906e36c
SHA5128146faee25e04d5a37461b2625b93ff4452e47977f8213259decabcce272f5bd4ee0b6e1e46184a14a394fa5fc4fabcd178893d395ad78bb76fdc0c23b28e3e2
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
226KB
MD53ae59c9fbf0731755809b226e9b7e2d9
SHA12ba32e4c084b8ca8902973bafb23454629428a17
SHA256f1516efa055fad665ba217da4ffa803cc84925f6663b4a6eb5a0d17a5906e36c
SHA5128146faee25e04d5a37461b2625b93ff4452e47977f8213259decabcce272f5bd4ee0b6e1e46184a14a394fa5fc4fabcd178893d395ad78bb76fdc0c23b28e3e2
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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/1736-141-0x0000000000000000-mapping.dmp
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memory/2220-142-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/2220-140-0x000000000085D000-0x000000000087C000-memory.dmpFilesize
124KB
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memory/2220-132-0x000000000085D000-0x000000000087C000-memory.dmpFilesize
124KB
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memory/2220-133-0x00000000007E0000-0x000000000081E000-memory.dmpFilesize
248KB
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memory/2220-134-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/2224-153-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/2224-152-0x00000000007E0000-0x00000000007FF000-memory.dmpFilesize
124KB
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memory/2316-135-0x0000000000000000-mapping.dmp
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memory/2316-138-0x00000000008BC000-0x00000000008DB000-memory.dmpFilesize
124KB
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memory/2316-144-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/2316-143-0x00000000008BC000-0x00000000008DB000-memory.dmpFilesize
124KB
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memory/2316-139-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/2860-148-0x0000000000000000-mapping.dmp
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memory/3944-147-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/3944-146-0x0000000000930000-0x000000000094F000-memory.dmpFilesize
124KB