Analysis Overview
SHA256
b22aa813b223ea1300d79472b45d28bec5eef803fd86598c3f9d2ce2aae30a74
Threat Level: Known bad
The file 3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Remcos
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Loads dropped DLL
Checks BIOS information in registry
Identifies Wine through registry keys
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-12 17:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-12 17:08
Reported
2024-05-12 17:11
Platform
win7-20240508-en
Max time kernel
142s
Max time network
140s
Command Line
Signatures
Remcos
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\msos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Msos\\msos.exe\"" | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\msos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Msos\\msos.exe\"" | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\Msos\msos.exe"
C:\Users\Admin\AppData\Roaming\Msos\msos.exe
C:\Users\Admin\AppData\Roaming\Msos\msos.exe
Network
| Country | Destination | Domain | Proto |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp |
Files
memory/3016-0-0x0000000000400000-0x000000000070C000-memory.dmp
memory/3016-1-0x0000000077180000-0x0000000077182000-memory.dmp
memory/3016-4-0x0000000000401000-0x000000000040A000-memory.dmp
memory/3016-5-0x0000000000400000-0x000000000070C000-memory.dmp
memory/3016-9-0x0000000000400000-0x000000000070C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.vbs
| MD5 | ffc5481bf624ad66edb74a4c5beaf486 |
| SHA1 | d0a108d67daca4147752bb8a383a3d046a8ec9c2 |
| SHA256 | a461e3a4eb06fb7a885e2e9f6e0faee3692018365a1645cda2d2209cb6a5bddf |
| SHA512 | c5c17dde61dfc80eb0e7a31fd30d143b7e8bc8b42d1c2848e27e7a5861c8c98d5441e7ebc1b8b90779ebf59f09b4f76e8b81da0a802b2d206a7b961e39f61b02 |
\Users\Admin\AppData\Roaming\Msos\msos.exe
| MD5 | 3b324a37f139d7d4ef82cee02bfb7ab9 |
| SHA1 | ed92348bc52b3235909935d6d5a72b005c81ae7c |
| SHA256 | b22aa813b223ea1300d79472b45d28bec5eef803fd86598c3f9d2ce2aae30a74 |
| SHA512 | 1787616b44b57118b51844bb1a8e31d5aeee5a4a84df1e9436c5acce055406e046ce82ae1f9aa38ee89da79a7ec59538d4ecf9aa78cda3ada37b9a9cff3fb1a3 |
memory/2748-14-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-17-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-20-0x0000000000400000-0x000000000070C000-memory.dmp
C:\Users\Admin\AppData\Roaming\Msos\logs.dat
| MD5 | 622bb19f6f05dcd070f0d3acd4bf7c80 |
| SHA1 | c27eab67689919053885076b69868c645e1bb964 |
| SHA256 | 66740b36b460b815b865fb147b8a0c407aab47fe6dc9b5f7f7ec66389add1c6d |
| SHA512 | 37c685e943da27c447f4c2b57ab4482d4a0dd9b274c4f89b1de45aee4faaa3992f18e5ec712100a8bec2ab073a91e95e0a0366a3fbfbf163215718a514862267 |
memory/2748-25-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-27-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-31-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-34-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-39-0x0000000000400000-0x000000000070C000-memory.dmp
memory/2748-42-0x0000000000400000-0x000000000070C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-12 17:08
Reported
2024-05-12 17:11
Platform
win10v2004-20240426-en
Max time kernel
144s
Max time network
153s
Command Line
Signatures
Remcos
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Wine | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Msos\\msos.exe\"" | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msos = "\"C:\\Users\\Admin\\AppData\\Roaming\\Msos\\msos.exe\"" | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Msos\msos.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b324a37f139d7d4ef82cee02bfb7ab9_JaffaCakes118.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\Msos\msos.exe"
C:\Users\Admin\AppData\Roaming\Msos\msos.exe
C:\Users\Admin\AppData\Roaming\Msos\msos.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| NL | 23.62.61.88:443 | 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 |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| GB | 194.40.242.22:3404 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| GB | 194.40.242.22:3404 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.53.16.96.in-addr.arpa | udp |
| GB | 194.40.242.22:3404 | tcp | |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| GB | 194.40.242.22:3404 | tcp | |
| US | 52.111.227.11:443 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp | |
| GB | 194.40.242.22:3404 | tcp |
Files
memory/4988-0-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4988-1-0x0000000077B84000-0x0000000077B86000-memory.dmp
memory/4988-4-0x0000000000401000-0x000000000040A000-memory.dmp
memory/4988-5-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4988-9-0x0000000000400000-0x000000000070C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.vbs
| MD5 | ffc5481bf624ad66edb74a4c5beaf486 |
| SHA1 | d0a108d67daca4147752bb8a383a3d046a8ec9c2 |
| SHA256 | a461e3a4eb06fb7a885e2e9f6e0faee3692018365a1645cda2d2209cb6a5bddf |
| SHA512 | c5c17dde61dfc80eb0e7a31fd30d143b7e8bc8b42d1c2848e27e7a5861c8c98d5441e7ebc1b8b90779ebf59f09b4f76e8b81da0a802b2d206a7b961e39f61b02 |
memory/4580-13-0x0000000000400000-0x000000000070C000-memory.dmp
C:\Users\Admin\AppData\Roaming\Msos\msos.exe
| MD5 | 3b324a37f139d7d4ef82cee02bfb7ab9 |
| SHA1 | ed92348bc52b3235909935d6d5a72b005c81ae7c |
| SHA256 | b22aa813b223ea1300d79472b45d28bec5eef803fd86598c3f9d2ce2aae30a74 |
| SHA512 | 1787616b44b57118b51844bb1a8e31d5aeee5a4a84df1e9436c5acce055406e046ce82ae1f9aa38ee89da79a7ec59538d4ecf9aa78cda3ada37b9a9cff3fb1a3 |
memory/4580-15-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-16-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-17-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-18-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-21-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-25-0x0000000000400000-0x000000000070C000-memory.dmp
C:\Users\Admin\AppData\Roaming\Msos\logs.dat
| MD5 | a476edc0b121846e54554e6a27f82e90 |
| SHA1 | cb86562a9dda84706a58ba38245eb6419c161116 |
| SHA256 | f0deb144ecbb7ae090690b3fe5183aa24b39c1f596ea5758a5ae0eda4d180cfe |
| SHA512 | efad89d495e80cf0ff0b6602033a2998c17a1db08d8ed47f1d12eaeb45e831892bf5aac463062d98fa1e95689ccb186ceaf1d9155fb59f1864a337df14233ae4 |
memory/4580-27-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-33-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-35-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-38-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-43-0x0000000000400000-0x000000000070C000-memory.dmp
memory/4580-47-0x0000000000400000-0x000000000070C000-memory.dmp