Analysis
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max time kernel
106s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 12:32
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
244KB
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MD5
e516ddcfdd8c967ad2581668722af31e
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SHA1
1588f5298a8bbea3050a8effdfdf2b189345df1d
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SHA256
4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad
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SHA512
c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e
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SSDEEP
6144:+liLwJMYm/OJ2IrfyOPL21ctM6i3mXtT9:+li5z/hoPPkV6i3ot
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 33 4616 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 2236 rovwer.exe 4316 rovwer.exe 3316 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation rovwer.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4616 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 3620 3116 WerFault.exe file.exe 3168 4316 WerFault.exe rovwer.exe 4144 3316 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 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 3116 wrote to memory of 2236 3116 file.exe rovwer.exe PID 3116 wrote to memory of 2236 3116 file.exe rovwer.exe PID 3116 wrote to memory of 2236 3116 file.exe rovwer.exe PID 2236 wrote to memory of 2264 2236 rovwer.exe schtasks.exe PID 2236 wrote to memory of 2264 2236 rovwer.exe schtasks.exe PID 2236 wrote to memory of 2264 2236 rovwer.exe schtasks.exe PID 2236 wrote to memory of 4616 2236 rovwer.exe rundll32.exe PID 2236 wrote to memory of 4616 2236 rovwer.exe rundll32.exe PID 2236 wrote to memory of 4616 2236 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
PID:3116 -
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:2236 -
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:2264 -
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:4616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 11442⤵
- Program crash
PID:3620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3116 -ip 31161⤵PID:2504
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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:4316 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 4162⤵
- Program crash
PID:3168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4316 -ip 43161⤵PID:3456
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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:3316 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 4162⤵
- Program crash
PID:4144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3316 -ip 33161⤵PID:4732
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
244KB
MD5e516ddcfdd8c967ad2581668722af31e
SHA11588f5298a8bbea3050a8effdfdf2b189345df1d
SHA2564886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad
SHA512c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
244KB
MD5e516ddcfdd8c967ad2581668722af31e
SHA11588f5298a8bbea3050a8effdfdf2b189345df1d
SHA2564886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad
SHA512c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
244KB
MD5e516ddcfdd8c967ad2581668722af31e
SHA11588f5298a8bbea3050a8effdfdf2b189345df1d
SHA2564886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad
SHA512c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
244KB
MD5e516ddcfdd8c967ad2581668722af31e
SHA11588f5298a8bbea3050a8effdfdf2b189345df1d
SHA2564886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad
SHA512c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e
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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/2236-142-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/2236-144-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/2236-141-0x00000000008CC000-0x00000000008EB000-memory.dmpFilesize
124KB
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memory/2236-135-0x0000000000000000-mapping.dmp
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memory/2236-143-0x00000000008CC000-0x00000000008EB000-memory.dmpFilesize
124KB
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memory/2264-140-0x0000000000000000-mapping.dmp
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memory/3116-138-0x00000000007DD000-0x00000000007FC000-memory.dmpFilesize
124KB
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memory/3116-139-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/3116-132-0x00000000007DD000-0x00000000007FC000-memory.dmpFilesize
124KB
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memory/3116-134-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/3116-133-0x00000000023A0000-0x00000000023DE000-memory.dmpFilesize
248KB
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memory/3316-152-0x0000000000860000-0x000000000087F000-memory.dmpFilesize
124KB
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memory/3316-153-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/4316-146-0x0000000000A10000-0x0000000000A2F000-memory.dmpFilesize
124KB
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memory/4316-147-0x0000000000400000-0x000000000065B000-memory.dmpFilesize
2.4MB
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memory/4616-148-0x0000000000000000-mapping.dmp