Analysis
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max time kernel
148s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2022 23:57
Static task
static1
Behavioral task
behavioral1
Sample
1dfe203a69c118ab68bd5e6485a0701d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1dfe203a69c118ab68bd5e6485a0701d.exe
Resource
win10v2004-20220812-en
General
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Target
1dfe203a69c118ab68bd5e6485a0701d.exe
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Size
252KB
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MD5
1dfe203a69c118ab68bd5e6485a0701d
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SHA1
f1045e2a9705e51e25c37def7914a0ebbaafd327
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SHA256
4028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
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SHA512
783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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SSDEEP
6144:tJ4Elz6e7oLXgJnUjhkQ7JPKbo41U1y2gqk:tJ4Elz6e7oLgJnUjvQbo4ysTz
Malware Config
Signatures
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Detect Amadey credential stealer module 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll amadey_cred_module C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 63 2864 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
Processes:
rovwer.exerovwer.exerovwer.exerovwer.exepid process 2304 rovwer.exe 4528 rovwer.exe 1528 rovwer.exe 5104 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1dfe203a69c118ab68bd5e6485a0701d.exerovwer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 1dfe203a69c118ab68bd5e6485a0701d.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2864 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 4668 2280 WerFault.exe 1dfe203a69c118ab68bd5e6485a0701d.exe 1772 4528 WerFault.exe rovwer.exe 5032 1528 WerFault.exe rovwer.exe 4736 5104 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 2864 rundll32.exe 2864 rundll32.exe 2864 rundll32.exe 2864 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1dfe203a69c118ab68bd5e6485a0701d.exerovwer.exedescription pid process target process PID 2280 wrote to memory of 2304 2280 1dfe203a69c118ab68bd5e6485a0701d.exe rovwer.exe PID 2280 wrote to memory of 2304 2280 1dfe203a69c118ab68bd5e6485a0701d.exe rovwer.exe PID 2280 wrote to memory of 2304 2280 1dfe203a69c118ab68bd5e6485a0701d.exe rovwer.exe PID 2304 wrote to memory of 2576 2304 rovwer.exe schtasks.exe PID 2304 wrote to memory of 2576 2304 rovwer.exe schtasks.exe PID 2304 wrote to memory of 2576 2304 rovwer.exe schtasks.exe PID 2304 wrote to memory of 2864 2304 rovwer.exe rundll32.exe PID 2304 wrote to memory of 2864 2304 rovwer.exe rundll32.exe PID 2304 wrote to memory of 2864 2304 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\1dfe203a69c118ab68bd5e6485a0701d.exe"C:\Users\Admin\AppData\Local\Temp\1dfe203a69c118ab68bd5e6485a0701d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\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\e94c2b28f2\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\80b59841e5c623\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 2280 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2280 -ip 22801⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4528 -ip 45281⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1528 -ip 15281⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 5104 -ip 51041⤵
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\e94c2b28f2\rovwer.exeFilesize
252KB
MD51dfe203a69c118ab68bd5e6485a0701d
SHA1f1045e2a9705e51e25c37def7914a0ebbaafd327
SHA2564028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
SHA512783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeFilesize
252KB
MD51dfe203a69c118ab68bd5e6485a0701d
SHA1f1045e2a9705e51e25c37def7914a0ebbaafd327
SHA2564028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
SHA512783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeFilesize
252KB
MD51dfe203a69c118ab68bd5e6485a0701d
SHA1f1045e2a9705e51e25c37def7914a0ebbaafd327
SHA2564028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
SHA512783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeFilesize
252KB
MD51dfe203a69c118ab68bd5e6485a0701d
SHA1f1045e2a9705e51e25c37def7914a0ebbaafd327
SHA2564028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
SHA512783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeFilesize
252KB
MD51dfe203a69c118ab68bd5e6485a0701d
SHA1f1045e2a9705e51e25c37def7914a0ebbaafd327
SHA2564028f6322698f9a78eee0de8e2118b9d1c0aa5939196efd594d116bbf6ff3f62
SHA512783b7bd5ebbdc49f0e220683b61b3b30b745ebd03aa5f2f51b655d79b52ac928382ce4afc5cd37d2346a3b6248f57e62663a35ee057bf8b285b343b3a93a57cb
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C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dllFilesize
126KB
MD5522adad0782501491314a78c7f32006b
SHA1e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA256351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
SHA5125f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7
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C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dllFilesize
126KB
MD5522adad0782501491314a78c7f32006b
SHA1e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA256351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
SHA5125f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7
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memory/1528-152-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/1528-151-0x000000000079C000-0x00000000007BB000-memory.dmpFilesize
124KB
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memory/2280-139-0x00000000007D8000-0x00000000007F7000-memory.dmpFilesize
124KB
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memory/2280-140-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/2280-134-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/2280-132-0x00000000007D8000-0x00000000007F7000-memory.dmpFilesize
124KB
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memory/2280-133-0x00000000022D0000-0x000000000230E000-memory.dmpFilesize
248KB
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memory/2304-141-0x0000000000848000-0x0000000000867000-memory.dmpFilesize
124KB
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memory/2304-143-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/2304-142-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/2304-135-0x0000000000000000-mapping.dmp
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memory/2576-138-0x0000000000000000-mapping.dmp
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memory/2864-147-0x0000000000000000-mapping.dmp
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memory/4528-146-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4528-145-0x000000000088C000-0x00000000008AB000-memory.dmpFilesize
124KB
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memory/5104-154-0x000000000061C000-0x000000000063B000-memory.dmpFilesize
124KB
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memory/5104-155-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB