Analysis Overview
SHA256
9ab651c11036df65785bcd01fe6ecb68a9b0beb56579b76c350dbd3f6960f0ae
Threat Level: Known bad
The file 5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Remcos
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-19 23:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 23:16
Reported
2024-05-19 23:18
Platform
win10v2004-20240508-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\crrcs.exe | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\Microsoft\crrcs.exe | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
C:\Windows\SysWOW64\PING.EXE
PING 127.0.0.1 -n 2
C:\Windows\SysWOW64\Microsoft\crrcs.exe
"C:\Windows\SysWOW64\Microsoft\crrcs.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4256,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3924 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| 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 | 14.160.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 96.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 108.116.69.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
Files
memory/5100-0-0x0000000000570000-0x00000000005EB000-memory.dmp
memory/5100-1-0x0000000076F42000-0x0000000076F43000-memory.dmp
memory/5100-2-0x0000000000401000-0x000000000041A000-memory.dmp
memory/5100-8-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5100-10-0x0000000000401000-0x000000000041A000-memory.dmp
memory/5100-9-0x0000000000570000-0x00000000005EB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.bat
| MD5 | 163f2af0d421cff56e30d04e89363fe7 |
| SHA1 | 5116aa1cad828ecd3e0819c15523839901fa6eac |
| SHA256 | 2f9c8881dd083f02446f616ce3fbbcb008bb92b21cfd5dc85652a38d297eebf5 |
| SHA512 | 303ca46c8319393f7257088328da0bcd4b5a66de64fb15fd0e306dccf4985d8179d73c346d44c574807436aedd7da8cabb0c24494876fb5c151dd62d174bc8fb |
C:\Windows\SysWOW64\Microsoft\crrcs.exe
| MD5 | 5bfc4a0b0e7484ff63f2eb66b45186b7 |
| SHA1 | 804f350c5034fc13fcc3d49e72de98799e301fb2 |
| SHA256 | 9ab651c11036df65785bcd01fe6ecb68a9b0beb56579b76c350dbd3f6960f0ae |
| SHA512 | 084dcda591290c89d1fec84c7868d65522d193524cbbc15d61bec710f617535bf77386ea5a6c3c1b366cce216dd7310d84271847775497533648d04b8ae00620 |
memory/4164-15-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-16-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-17-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-20-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-21-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-22-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-23-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-24-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-25-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-26-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-27-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-28-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-29-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-30-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-31-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-32-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4164-33-0x0000000000400000-0x000000000049C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-19 23:16
Reported
2024-05-19 23:18
Platform
win7-20240220-en
Max time kernel
146s
Max time network
121s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\crrcs.exe = "\"C:\\Windows\\SysWOW64\\Microsoft\\crrcs.exe\"" | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\crrcs.exe | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\Microsoft\crrcs.exe | C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\crrcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5bfc4a0b0e7484ff63f2eb66b45186b7_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
C:\Windows\SysWOW64\PING.EXE
PING 127.0.0.1 -n 2
C:\Windows\SysWOW64\Microsoft\crrcs.exe
"C:\Windows\SysWOW64\Microsoft\crrcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1.habladourf.top | udp |
Files
memory/2784-0-0x0000000000220000-0x000000000029B000-memory.dmp
memory/2784-1-0x0000000077D7F000-0x0000000077D80000-memory.dmp
memory/2784-2-0x0000000000401000-0x000000000041A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.bat
| MD5 | 163f2af0d421cff56e30d04e89363fe7 |
| SHA1 | 5116aa1cad828ecd3e0819c15523839901fa6eac |
| SHA256 | 2f9c8881dd083f02446f616ce3fbbcb008bb92b21cfd5dc85652a38d297eebf5 |
| SHA512 | 303ca46c8319393f7257088328da0bcd4b5a66de64fb15fd0e306dccf4985d8179d73c346d44c574807436aedd7da8cabb0c24494876fb5c151dd62d174bc8fb |
memory/2784-13-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2784-14-0x0000000000220000-0x000000000029B000-memory.dmp
memory/2784-15-0x0000000000401000-0x000000000041A000-memory.dmp
C:\Windows\SysWOW64\Microsoft\crrcs.exe
| MD5 | 5bfc4a0b0e7484ff63f2eb66b45186b7 |
| SHA1 | 804f350c5034fc13fcc3d49e72de98799e301fb2 |
| SHA256 | 9ab651c11036df65785bcd01fe6ecb68a9b0beb56579b76c350dbd3f6960f0ae |
| SHA512 | 084dcda591290c89d1fec84c7868d65522d193524cbbc15d61bec710f617535bf77386ea5a6c3c1b366cce216dd7310d84271847775497533648d04b8ae00620 |
memory/2608-21-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-22-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-23-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-26-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-27-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-28-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-29-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-30-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-31-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-32-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-33-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-34-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-35-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-36-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-37-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-38-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2608-39-0x0000000000400000-0x000000000049C000-memory.dmp