Analysis Overview
SHA256
980e3d4eb5581e7a4567e2fc6a7e1a99e4e78598e662c98e1d45fa29b26e1426
Threat Level: Known bad
The file c0162.zip was found to be: Known bad.
Malicious Activity Summary
Ammyyadmin family
AmmyyAdmin payload
FlawedAmmyy RAT
Blocklisted process makes network request
Checks computer location settings
Loads dropped DLL
Writes to the Master Boot Record (MBR)
Drops file in System32 directory
Modifies data under HKEY_USERS
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-30 06:16
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-30 06:16
Reported
2023-05-30 06:19
Platform
win7-20230220-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
FlawedAmmyy RAT
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3805946C7C58953EFFCBA8631AC290B5 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3805946C7C58953EFFCBA8631AC290B5 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 076da7c30860e6712351359ac459d85c64d6144067b1227be4f463a5ffc627268ba12ca58b36375e090cef84b8760748bd685f3cb23665059660b370ffba179b536e37cd | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212} | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-29-57-6a-d0-b3\WpadDecisionTime = 60d06c20cf92d901 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-29-57-6a-d0-b3\WpadDecision = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212}\WpadDecisionReason = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212}\WpadDecisionTime = 60d06c20cf92d901 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-29-57-6a-d0-b3\WpadDecisionReason = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212}\WpadNetworkName = "Network 3" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-29-57-6a-d0-b3 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212}\2a-29-57-6a-d0-b3 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7EEF5FEB-0C48-4CAB-BD6E-53B540014212}\WpadDecision = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLockMemoryPrivilege | N/A | C:\Windows\system32\rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1256 wrote to memory of 1076 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 1256 wrote to memory of 1076 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 1256 wrote to memory of 1076 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 1256 wrote to memory of 1076 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 1076 wrote to memory of 1600 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 1076 wrote to memory of 1600 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 1076 wrote to memory of 1600 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 1076 wrote to memory of 1600 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
C:\Windows\system32\rundll32.exe
rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | rl.ammyy.com | udp |
| NL | 188.42.129.148:80 | rl.ammyy.com | tcp |
| DE | 136.243.104.242:443 | tcp | |
| US | 8.8.8.8:53 | www.ammyy.com | udp |
| DE | 136.243.18.118:80 | www.ammyy.com | tcp |
| DE | 136.243.18.118:443 | www.ammyy.com | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| NL | 88.221.25.153:80 | apps.identrust.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| DE | 85.10.193.215:80 | tcp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | c88c1e9e9da3b6742360877a1d0128ba |
| SHA1 | dbf0b02cad1bacde5d0ccdcb5328e436f41e5c73 |
| SHA256 | 03558beaca6ee18dbb7b91c7640e9160df06b54264063ee0d25f1cd31197a292 |
| SHA512 | 60644dd5a75a4da37a4ba453d20d5d6fc80c20f442612cb6c1213aeeb9b6c3d0d0a40376b7a339eb79262bde43437c5b41107874f2f54ada0a56b1b8ae959bb8 |
C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 3ac860860707baaf32469fa7cc7c0192 |
| SHA1 | c33c2acdaba0e6fa41fd2f00f186804722477639 |
| SHA256 | d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904 |
| SHA512 | d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c |
C:\Windows\Temp\Tar3C0D.tmp
| MD5 | 4ff65ad929cd9a367680e0e5b1c08166 |
| SHA1 | c0af0d4396bd1f15c45f39d3b849ba444233b3a2 |
| SHA256 | c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6 |
| SHA512 | f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27 |
C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
| MD5 | 862417237c28719e3016ce206c62dc34 |
| SHA1 | cdaea1559a043709671395b59f2ed9b80d1fdce8 |
| SHA256 | b8c815e5b8ecdf809b9247eb339c56daca843f8c4fa13bc99339afd247f7c889 |
| SHA512 | b2706632eeb5878cd9b6d0b134ade0acc838e787a9911cdc9fb721a298ff9cb83f6ebe52455b2dae765e2ed8073c98cd81bfd7ec78dbd6257c6364707f970da6 |
C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
| MD5 | a266bb7dcc38a562631361bbf61dd11b |
| SHA1 | 3b1efd3a66ea28b16697394703a72ca340a05bd5 |
| SHA256 | df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e |
| SHA512 | 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc |
C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 9d21b1b48b42f66fcd3e5a3510a093a0 |
| SHA1 | 1149f535a80b8c588a7b7a9f08748f28a8647f12 |
| SHA256 | 27fb524d48430a942bdaf8dd7b2defb0d2cc91fe7cc20cf9da670b76bce1c2e2 |
| SHA512 | 913eb23ab68857eb21f7478f7c277f4eed57c08016097de7e24900cc07f6d188d0f5ac08b3e84965ac70cb83dafc7a4793cd4fbfb3bf75de32473b1a1858be95 |
C:\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
C:\ProgramData\AMMYY\aa_nts.msg
| MD5 | 3f05819f995b4dafa1b5d55ce8d1f411 |
| SHA1 | 404449b79a16bfc4f64f2fd55cd73d5d27a85d71 |
| SHA256 | 7e0bf0cbd06a087500a9c3b50254df3a8a2c2980921ab6a62ab1121941c80fc0 |
| SHA512 | 34abb7df8b3a68e1649ff0d2762576a4d4e65da548e74b1aa65c2b82c1b89f90d053ecddac67c614ca6084dc5b2cb552949250fb70f49b536f1bcb0057717026 |
memory/1600-173-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/1600-190-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/1600-203-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/1600-215-0x0000000064200000-0x00000000642EE000-memory.dmp
C:\ProgramData\AMMYY\aa_nts.log
| MD5 | 57b9cfa818d691abe6bde182563eb278 |
| SHA1 | 338989fd25f55b9e7594aff8567210fcf44e97f7 |
| SHA256 | 7dde12c84e6f60afaeaca595238094cf0e94525644f2c6ad92986fcc36693ba0 |
| SHA512 | 09f1bf517bfe923f20614668037fff8c655878b240dcdff5a0d653410240a59d0c943fa3078e28e70a0217ef1096841cdc021f3c3467fbd7cfbff5828831a85b |
memory/1600-227-0x0000000064200000-0x00000000642EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-30 06:16
Reported
2023-05-30 06:19
Platform
win10v2004-20230220-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
FlawedAmmyy RAT
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3805946C7C58953EFFCBA8631AC290B5 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3805946C7C58953EFFCBA8631AC290B5 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Ammyy | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 8a1a42294be8e0f5e41b0207754b3c1faf0690679889308d4c701c55a962fe830efe878a2e9281a94ef17ee9d1d634080ff99dcf03f8d36e5128f41c2c3777aa3c86f15f | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLockMemoryPrivilege | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3060 wrote to memory of 3204 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 3060 wrote to memory of 3204 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 3060 wrote to memory of 3204 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 3204 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\SYSTEM32\rundll32.exe |
| PID 3204 wrote to memory of 3260 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\SYSTEM32\rundll32.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
C:\Windows\SYSTEM32\rundll32.exe
rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run
Network
| Country | Destination | Domain | Proto |
| US | 117.18.237.29:80 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | rl.ammyy.com | udp |
| NL | 188.42.129.148:80 | rl.ammyy.com | tcp |
| DE | 136.243.104.242:443 | tcp | |
| US | 8.8.8.8:53 | 148.129.42.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 242.104.243.136.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.ammyy.com | udp |
| DE | 136.243.18.118:80 | www.ammyy.com | tcp |
| DE | 136.243.18.118:443 | www.ammyy.com | tcp |
| US | 8.8.8.8:53 | 118.18.243.136.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.55.52.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.175.53.84.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 13.89.178.26:443 | tcp | |
| NL | 95.101.78.106:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 73.254.224.20.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 204.79.197.203:80 | api.msn.com | tcp |
| DE | 85.10.193.215:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 215.193.10.85.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 4c462159d7bef2d9a4096f146d551b58 |
| SHA1 | 9b9b092e0b3bcc7b50da2bac7bc9695036e09801 |
| SHA256 | f49e6805556377193a6f7e6a152ef67221f1f6db3bc7fa526aaf1428e3840ff3 |
| SHA512 | d9b71c1e6f95cac12cc0fca36d4d074c9f02b597ea88d6d7a370dcee4f6d6ceac5e713390eda2835fdba4de8413e0d55750863a3722bf0ed798e6ac4a59f0fc8 |
C:\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
C:\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
C:\ProgramData\AMMYY\aa_nts.msg
| MD5 | 3f05819f995b4dafa1b5d55ce8d1f411 |
| SHA1 | 404449b79a16bfc4f64f2fd55cd73d5d27a85d71 |
| SHA256 | 7e0bf0cbd06a087500a9c3b50254df3a8a2c2980921ab6a62ab1121941c80fc0 |
| SHA512 | 34abb7df8b3a68e1649ff0d2762576a4d4e65da548e74b1aa65c2b82c1b89f90d053ecddac67c614ca6084dc5b2cb552949250fb70f49b536f1bcb0057717026 |
memory/3260-150-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-169-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-183-0x0000000064200000-0x00000000642EE000-memory.dmp
C:\ProgramData\AMMYY\aa_nts.log
| MD5 | 5564daf0d656dbf4330f3acd6110c9a3 |
| SHA1 | 5f48aff026bcec71b635884e7d60dd329b6722b1 |
| SHA256 | fd333420b028fbc1d1e972b4494320097a27538af041c0ffeb1c87557a6a31a2 |
| SHA512 | 0ab43ca0da98e10c1ac83c0c8c9744b7bede9bfcc65be9d449e71ae788c89a642bf30742cc8e7d2f127feb0a062c12abeaa9c00a8b9846abbb4bfc49aa046b7f |
memory/3260-199-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-214-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-226-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-242-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/3260-257-0x0000000064200000-0x00000000642EE000-memory.dmp