Analysis
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max time kernel
115s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2022 00:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
251KB
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MD5
9200f1ce034123708f20d0ec5e3fe24c
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SHA1
2f155571b16a04df0586ccdad0aa9d0f88cabc63
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SHA256
4d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb
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SHA512
3ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820
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SSDEEP
6144:t+V0uXaO4xLJF81mJy9Il9C9lnLuUUtqFXg:t+V0uXaO4xlF81riCHLuU9e
Malware Config
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 87 3760 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 4964 rovwer.exe 4352 rovwer.exe 372 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
file.exerovwer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3760 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 3820 4844 WerFault.exe file.exe 1124 4352 WerFault.exe rovwer.exe 4824 372 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 3760 rundll32.exe 3760 rundll32.exe 3760 rundll32.exe 3760 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
file.exerovwer.exedescription pid process target process PID 4844 wrote to memory of 4964 4844 file.exe rovwer.exe PID 4844 wrote to memory of 4964 4844 file.exe rovwer.exe PID 4844 wrote to memory of 4964 4844 file.exe rovwer.exe PID 4964 wrote to memory of 360 4964 rovwer.exe schtasks.exe PID 4964 wrote to memory of 360 4964 rovwer.exe schtasks.exe PID 4964 wrote to memory of 360 4964 rovwer.exe schtasks.exe PID 4964 wrote to memory of 3760 4964 rovwer.exe rundll32.exe PID 4964 wrote to memory of 3760 4964 rovwer.exe rundll32.exe PID 4964 wrote to memory of 3760 4964 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
PID:4844 -
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:4964 -
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:360 -
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:3760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 11402⤵
- Program crash
PID:3820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4844 -ip 48441⤵PID:4960
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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:4352 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 2162⤵
- Program crash
PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4352 -ip 43521⤵PID:752
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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:372 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2162⤵
- Program crash
PID:4824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 372 -ip 3721⤵PID:5048
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
251KB
MD59200f1ce034123708f20d0ec5e3fe24c
SHA12f155571b16a04df0586ccdad0aa9d0f88cabc63
SHA2564d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb
SHA5123ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
251KB
MD59200f1ce034123708f20d0ec5e3fe24c
SHA12f155571b16a04df0586ccdad0aa9d0f88cabc63
SHA2564d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb
SHA5123ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
251KB
MD59200f1ce034123708f20d0ec5e3fe24c
SHA12f155571b16a04df0586ccdad0aa9d0f88cabc63
SHA2564d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb
SHA5123ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeFilesize
251KB
MD59200f1ce034123708f20d0ec5e3fe24c
SHA12f155571b16a04df0586ccdad0aa9d0f88cabc63
SHA2564d75f10d3bc192a274ec9a8b1109dbe14c8af8e00e5f060a7f85100a6d1ac4cb
SHA5123ef49149de93d9f19ee4b238ab42890dd71ed90ec2cd401ae68f0c72f586991288b236ccd2ebb6c835ae648e2745e33643006c967abf5afe38b72e9c7ca3f820
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5b8d80046e28849a320a3dcd868b73d7c
SHA1f15bc4a4c5189e7aa845213469c6def5afd68186
SHA256d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
SHA512b7f6d59ee55d2b579c2185560d2e660c1952f9214f3db3096b1358af3559fd985859aa3389be333c826f35b85cd63c6f65a03e65a7ad57c7834bb09abd1d853e
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C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dllFilesize
126KB
MD5b8d80046e28849a320a3dcd868b73d7c
SHA1f15bc4a4c5189e7aa845213469c6def5afd68186
SHA256d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
SHA512b7f6d59ee55d2b579c2185560d2e660c1952f9214f3db3096b1358af3559fd985859aa3389be333c826f35b85cd63c6f65a03e65a7ad57c7834bb09abd1d853e
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memory/360-140-0x0000000000000000-mapping.dmp
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memory/372-152-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/372-151-0x000000000075C000-0x000000000077B000-memory.dmpFilesize
124KB
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memory/3760-144-0x0000000000000000-mapping.dmp
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memory/4352-149-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4352-148-0x000000000089C000-0x00000000008BB000-memory.dmpFilesize
124KB
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memory/4844-132-0x0000000000739000-0x0000000000758000-memory.dmpFilesize
124KB
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memory/4844-139-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4844-138-0x0000000000739000-0x0000000000758000-memory.dmpFilesize
124KB
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memory/4844-133-0x0000000002300000-0x000000000233E000-memory.dmpFilesize
248KB
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memory/4844-134-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4964-143-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4964-142-0x0000000000400000-0x000000000059A000-memory.dmpFilesize
1.6MB
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memory/4964-135-0x0000000000000000-mapping.dmp
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memory/4964-141-0x00000000005C8000-0x00000000005E7000-memory.dmpFilesize
124KB