Analysis Overview
SHA256
494e74c88fed50337a524e4e3c395fbf0cf1443691ef9ba11d22199c72add384
Threat Level: Known bad
The file 314162b42775491f40e45f230a66a951_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Remcos
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of UnmapMainImage
Creates scheduled task(s)
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-10 22:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 22:03
Reported
2024-05-10 22:06
Platform
win7-20240419-en
Max time kernel
146s
Max time network
123s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN "AdobeReader" /TR "\"C:\ProgramData\AdobeReader.exe\""
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /run /tn "AdobeReader"
C:\Windows\system32\taskeng.exe
taskeng.exe {E1B534F9-C63A-47FE-A3F4-4FE4FBE5F329} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
C:\ProgramData\AdobeReader.exe
C:\ProgramData\AdobeReader.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
Files
memory/1148-2-0x0000000077D30000-0x0000000077E06000-memory.dmp
C:\ProgramData\AdobeReader.exe
| MD5 | a943181e6d69c99c1428d7a4b2474b7d |
| SHA1 | e47deac6de97b97aa7298e80d426fefd777ea5cd |
| SHA256 | 73f7a66e9f030f01b9171a8e0776320de453043ce0bd47bb9c53c79d5473849f |
| SHA512 | 5a1470e35295d2906e8b4e9f67ee754a3874375fa58c8ddf1a464758c2936dade45f56bac94d89037ee499554646d69c59924bf49e4d43af3fc14fad33326af0 |
memory/2724-8-0x0000000000400000-0x000000000041B000-memory.dmp
C:\Users\Admin\AppData\Roaming\remcos\logs.dat
| MD5 | d5d1ecca3c017616b424cd03876ad92b |
| SHA1 | b5ec611d43c6130ca457c93e4b2e0fdc12d4ad22 |
| SHA256 | f9f554cac5faddf711a4bda33f6a383ba78e840939b5af654fce6a77ac39f3d7 |
| SHA512 | f40e549d413d42e2de8afff22b9d1a79188b4575dd5ab00a83c43ec90feef6a22f4f6f5494ac1842bc0f40408083961c17d75913ed2c3e8ffe7949bb0a826e5c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 22:03
Reported
2024-05-10 22:06
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
| N/A | N/A | C:\ProgramData\AdobeReader.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4992 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4992 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4992 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4992 wrote to memory of 4856 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4992 wrote to memory of 4856 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4992 wrote to memory of 4856 | N/A | C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\314162b42775491f40e45f230a66a951_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN "AdobeReader" /TR "\"C:\ProgramData\AdobeReader.exe\""
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /run /tn "AdobeReader"
C:\ProgramData\AdobeReader.exe
C:\ProgramData\AdobeReader.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 155.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | popupcalls.ddns.net | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4992-2-0x0000000076EB1000-0x0000000076FD1000-memory.dmp
C:\ProgramData\AdobeReader.exe
| MD5 | a943181e6d69c99c1428d7a4b2474b7d |
| SHA1 | e47deac6de97b97aa7298e80d426fefd777ea5cd |
| SHA256 | 73f7a66e9f030f01b9171a8e0776320de453043ce0bd47bb9c53c79d5473849f |
| SHA512 | 5a1470e35295d2906e8b4e9f67ee754a3874375fa58c8ddf1a464758c2936dade45f56bac94d89037ee499554646d69c59924bf49e4d43af3fc14fad33326af0 |
memory/3492-9-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3492-12-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3492-13-0x0000000000400000-0x0000000000575000-memory.dmp
memory/3492-18-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3492-19-0x0000000000400000-0x0000000000575000-memory.dmp
C:\Users\Admin\AppData\Roaming\remcos\logs.dat
| MD5 | 83b97265e21f56d5bd10048724ff6dae |
| SHA1 | b94b9d9cc60b564568f90c84a1a50307150ca03e |
| SHA256 | 96ba7f3c99208dcc85e8336c459b1562caa5b270064442686ee59576084d905c |
| SHA512 | 77e309fe0e561e69b4ae82eb5ded158ea26a36afce800063cbd8ae1c4cf857eeac87568168a6a61d78aca514c6aed1ba26d8f1efd93e80fd3564361faac9cb5f |