Analysis Overview
SHA256
efa1fccd69461c3ae5553242b593b5ec123339757287c45280a24f685cfe041e
Threat Level: Known bad
The file a7bfd722b2c69c4c7a77b5e34b4acb06_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
AmmyyAdmin payload
Flawedammyy family
Ammyyadmin family
FlawedAmmyy RAT
Blocklisted process makes network request
Checks computer location settings
Loads dropped DLL
Drops file in System32 directory
System Location Discovery: System Language Discovery
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-27 11:59
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-27 11:59
Reported
2024-11-27 12:02
Platform
win7-20240903-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
FlawedAmmyy RAT
Flawedammyy family
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-1-5-21-1846800975-3917212583-2893086201-1000\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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| 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\MetaData\34B6AF881B9D738561FC099B83DF3A01 | 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\34B6AF881B9D738561FC099B83DF3A01 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| 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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | 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\Microsoft\SystemCertificates\My | 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 |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0161000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0}\WpadDecisionReason = "1" | 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 |
| 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\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot | 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 |
| 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\Microsoft\SystemCertificates\trust | 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 |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = c394313d759f67da5b2bf123a5cdd68dac8ffefffdae1a1c1c2bc96a60b9139ac839b1ba25fc4568216c54ffa8b4170fed247f976af111f1c2aa7df3431d34bb9485729f1ce54cfc8e6359 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0} | 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\SystemCertificates\SmartCardRoot\Certificates | 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 |
| 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\SystemCertificates\SmartCardRoot\CTLs | 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\Microsoft\SystemCertificates\trust\CRLs | 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\SystemCertificates\SmartCardRoot\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 |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0}\WpadNetworkName = "Network 3" | 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\Policies\Microsoft\SystemCertificates\CA\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\ee-cd-01-69-32-c0\WpadDecision = "0" | 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 | 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\Microsoft\SystemCertificates\Disallowed\CRLs | 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 |
| 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\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | 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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates | 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\Root\CRLs | 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\Microsoft\SystemCertificates\CA\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 |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0}\WpadDecisionTime = 80163adfc340db01 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0}\ee-cd-01-69-32-c0 | 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\Microsoft\SystemCertificates\Disallowed\Certificates | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9205829A-97FD-488E-91DA-E1EE3B122FA0}\WpadDecision = "0" | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-cd-01-69-32-c0\WpadDecisionTime = 80163adfc340db01 | 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 |
| 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\CA | 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 |
| 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\SystemCertificates\Root\Certificates | 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\CA\CRLs | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\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 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-cd-01-69-32-c0 | 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\Windows\CurrentVersion\Internet Settings\ZoneMap\ | 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 |
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 |
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 2352 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 2352 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 2352 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 2352 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 2128 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 2128 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 2128 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\system32\rundll32.exe |
| PID 2128 wrote to memory of 2824 | 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 | 136.243.104.235:443 | 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 | r11.o.lencr.org | udp |
| GB | 88.221.135.98:80 | r11.o.lencr.org | tcp |
| DE | 85.10.193.220:80 | tcp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | ac7221c691ef0a93dbbb5bee6efcb7ec |
| SHA1 | 54f197fef16badefb4bf0d7339f6bd1099e505da |
| SHA256 | b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f |
| SHA512 | 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b |
C:\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
C:\ProgramData\AMMYY\aa_nts.msg
| MD5 | 0ab38d88f71092c69f4dd2ebee87f81d |
| SHA1 | 3afa9ecd2a0e95b344a5ac5b2719dce0b9f8f6a9 |
| SHA256 | 87248c17211589f790fc8db8bb15d246deacd1e254e96199e86ca2958e77a307 |
| SHA512 | 1d87efe84241c6eeffa142f5978eea9a86bf74729ec3fc60f964c98a76b8293216f3f70cbb3b9d3d4e0dd1903400bdc55e39910cde0c2293e568c07d8bcd7c8e |
memory/2824-20-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-43-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-59-0x0000000064200000-0x00000000642EE000-memory.dmp
C:\ProgramData\AMMYY\aa_nts.log
| MD5 | de7d8f1c982e02004a6b05b130033d25 |
| SHA1 | c14ce28108a5f0d819ca0b0f0865fdba28d505d7 |
| SHA256 | 8dd1db8fcf1538b72b3276e6184839ceb0686ee72aa12c18932c6f46ba0ab1f0 |
| SHA512 | dfbf00f8f283e86f3689918802738333c5a55adeac3bd47262c35fefd76ef2eea1ec5f4e208d9c18d8a13e95a4c5d003cb39cb44a638fe9141794d326553bd06 |
memory/2824-73-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-88-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-101-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-116-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/2824-130-0x0000000064200000-0x00000000642EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-27 11:59
Reported
2024-11-27 12:02
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
154s
Command Line
Signatures
FlawedAmmyy RAT
Flawedammyy family
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-1-5-21-1045960512-3948844814-3059691613-1000\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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| 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\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\34B6AF881B9D738561FC099B83DF3A01 | 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 | 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\34B6AF881B9D738561FC099B83DF3A01 | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | 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 | 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 (data) | \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 643f976e5d8dd6480a77fdf497e6c7a1cee2d200703d38b2c183e753fc51bc495dad9fa96ea4e6bf806e373b47083ff912342559cbcbb924b284e091be22bf1eb4a064e10bc2c69137537b | 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\UNCAsIntranet = "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 | 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\IntranetName = "1" | 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\Ammyy\Admin | 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 3644 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 3644 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 3644 wrote to memory of 5016 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe |
| PID 5016 wrote to memory of 4172 | N/A | C:\Users\Admin\AppData\Local\Temp\AA_v3.exe | C:\Windows\SYSTEM32\rundll32.exe |
| PID 5016 wrote to memory of 4172 | 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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 136.243.104.235:443 | tcp | |
| US | 8.8.8.8:53 | 148.129.42.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 235.104.243.136.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 | r11.o.lencr.org | udp |
| GB | 88.221.135.106:80 | r11.o.lencr.org | tcp |
| US | 8.8.8.8:53 | 118.18.243.136.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| DE | 85.10.193.220:80 | tcp | |
| US | 8.8.8.8:53 | 220.193.10.85.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | ac7221c691ef0a93dbbb5bee6efcb7ec |
| SHA1 | 54f197fef16badefb4bf0d7339f6bd1099e505da |
| SHA256 | b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f |
| SHA512 | 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b |
C:\ProgramData\AMMYY\aa_nts.dll
| MD5 | 480a66902e6e7cdafaa6711e8697ff8c |
| SHA1 | 6ac730962e7c1dba9e2ecc5733a506544f3c8d11 |
| SHA256 | 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5 |
| SHA512 | 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5 |
C:\ProgramData\AMMYY\aa_nts.msg
| MD5 | 0ab38d88f71092c69f4dd2ebee87f81d |
| SHA1 | 3afa9ecd2a0e95b344a5ac5b2719dce0b9f8f6a9 |
| SHA256 | 87248c17211589f790fc8db8bb15d246deacd1e254e96199e86ca2958e77a307 |
| SHA512 | 1d87efe84241c6eeffa142f5978eea9a86bf74729ec3fc60f964c98a76b8293216f3f70cbb3b9d3d4e0dd1903400bdc55e39910cde0c2293e568c07d8bcd7c8e |
memory/4172-17-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-39-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-57-0x0000000064200000-0x00000000642EE000-memory.dmp
C:\ProgramData\AMMYY\aa_nts.log
| MD5 | e21eb5d54f43d993a95df1c7b778514f |
| SHA1 | 0a5f33b12ae432c54756570bf4c63d84d3eb5962 |
| SHA256 | 071040a51ae71240c14bc3036e03c04ed10c6d301c458bd26a9d7473b4b235dd |
| SHA512 | 510a5030c37078980ff48d1ffc8f6a2f1147f62f88a610706f12c68b40139e416527d9af009e07e7c739cd7de58d1531514cbd94ca51c122728975fe03727704 |
memory/4172-74-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-90-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-107-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-123-0x0000000064200000-0x00000000642EE000-memory.dmp
memory/4172-140-0x0000000064200000-0x00000000642EE000-memory.dmp