Analysis Overview
SHA256
cbfb877bb10d53dc56d3f22797fcc113db119f11709025e9ee6d813c42152bb3
Threat Level: Known bad
The file dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
FlawedAmmyy RAT
AmmyyAdmin payload
Ammyyadmin family
Checks computer location settings
Drops file in System32 directory
System Location Discovery: System Language Discovery
Unsigned PE
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-11 17:47
Signatures
AmmyyAdmin payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Ammyyadmin family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-11 17:47
Reported
2024-09-11 17:50
Platform
win7-20240903-en
Max time kernel
150s
Max time network
140s
Command Line
Signatures
FlawedAmmyy RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.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\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d567366087c6658524c1752538784a2843a5bb36b | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 616adf41cd040eeb5f5c889205a60b08fcbcbc98a4806bb5eed9ee59357953e478cdfff5854e0754feab79243463b42e92904cea97e3020875f7d1d6338268c2483edd60b9a0b0ad2241ff | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 804 wrote to memory of 2056 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
| PID 804 wrote to memory of 2056 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
| PID 804 wrote to memory of 2056 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
| PID 804 wrote to memory of 2056 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe"
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 |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 5c37c03f1e741cd4dd29a9005611431a |
| SHA1 | 9bab8900ea0b4f38125929fc8ba56ecbed2a7eca |
| SHA256 | 042da24183b04eaae4cdefff1186cb0b67f6c39b9fadd01f777314522e311d2c |
| SHA512 | d51b89b7f88a86fc6c4bb04fc29ec503e66d60739ab929555325fb79348d0b12de7c5726bafa94b6af78b7c35c185e8e0a6c8db2696c55fef5fc4cc31576c009 |
C:\ProgramData\AMMYY\hr
| MD5 | 6d5b8fe2cd21668753eecb9fee219de4 |
| SHA1 | a193fa50faf9162bddb7b1c69ad0cd40baf7ec24 |
| SHA256 | 076e26ae9b0781b317e84076472adc0640135bdeb6d6a09de63cdad4184a8020 |
| SHA512 | 77184f3b85657b9846c39bd4fc20f1f22af4ab1951af48f44874db393763d12d99b261053354e1410bd3859afcfd47e44936abc82bf6f8a5bbe33dc34dba8925 |
C:\ProgramData\AMMYY\hr3
| MD5 | 62247fce46dfdb79f5cb9f462b528be2 |
| SHA1 | 169b3cda88a7849b59be0751edd39c612c38bb8c |
| SHA256 | 6679fdc9ad8f0daf435d5c6cdd71396979092e68a729e5ba91381426d0194c6c |
| SHA512 | f163d318c586cd8cff234e089e127ef84e9d170432a29a3bb93e7e34f0eddd5ccebe1781eb992dcf8c66f1be2d17d3a5535ef963f8e7366904f641f5aaba3a4c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-11 17:47
Reported
2024-09-11 17:50
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
FlawedAmmyy RAT
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\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.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\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.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\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Ammyy | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d567366087c6658524c175253235395843a5bb36b | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 7118e990e3c3c91663ef988a495e2d03fa6ac9801fe805efe701b50817497370376c099527b1f435a49f356530a3d0e07da4530a2b1b683529a58c4ddf20f8371de76a27fdc18761fe3b18 | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3728 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
| PID 3728 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
| PID 3728 wrote to memory of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe" -service -lunch
C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dae5ff04f3bf0be753a4c2b5013cc861_JaffaCakes118.exe"
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| 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 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.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 |
| IE | 52.111.236.23:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\ProgramData\AMMYY\settings3.bin
| MD5 | 5c37c03f1e741cd4dd29a9005611431a |
| SHA1 | 9bab8900ea0b4f38125929fc8ba56ecbed2a7eca |
| SHA256 | 042da24183b04eaae4cdefff1186cb0b67f6c39b9fadd01f777314522e311d2c |
| SHA512 | d51b89b7f88a86fc6c4bb04fc29ec503e66d60739ab929555325fb79348d0b12de7c5726bafa94b6af78b7c35c185e8e0a6c8db2696c55fef5fc4cc31576c009 |
C:\ProgramData\AMMYY\hr
| MD5 | 0ecc9b00a66f55938014cadb444d8e36 |
| SHA1 | 31043cd684fe3c484ec5a2a755ac7884bcba8e79 |
| SHA256 | 2b8a6e43551e5a2bd692d4018652601c18672627af21d192870c62f613f840dd |
| SHA512 | 1b3c96c205c07680c4724c6b154a783e5cf36f2d8c6e57c3e5d5c1a8418d8609658832eec13a279fa4765752d335da45bc9a6011f0839ebcd849b5e53eddbb20 |
C:\ProgramData\AMMYY\hr3
| MD5 | 4e19fe12d31ed0cd6c3b78ad7a34236f |
| SHA1 | 3ba85f4bfa39ae7c4c683884bc62d61c117ad4a2 |
| SHA256 | 7dfba5a07b76911cae128d9ac0c1b6bf98929c0b2d58a52248815ce88acb8643 |
| SHA512 | 6e967c52579b0f8c43281643da28a095e51ee32e3e49896e08a0ef58a09a1a3a9c2142a86a75cd282b11e74b399fa8276c152a8071ee9eab790fafb9fff9ff3e |