Analysis Overview
SHA256
761107a1e9e685c4bbce78c45111db8c0279bf530b123f5370620bcc6aa0b2bf
Threat Level: Known bad
The file 656750f875112414a75fb4bf32a3353a_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 00:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 00:46
Reported
2024-05-22 00:49
Platform
win7-20240215-en
Max time kernel
129s
Max time network
139s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\refdbg.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecision = "0" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\ea-a9-87-57-0d-80 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecisionTime = 40cdb28ae1abda01 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecision = "0" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3} | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecisionTime = 40cdb28ae1abda01 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80 | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecisionReason = "1" | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\refdbg.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0058000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\refdbg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\refdbg.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"
C:\Windows\SysWOW64\refdbg.exe
"C:\Windows\SysWOW64\refdbg.exe"
C:\Windows\SysWOW64\refdbg.exe
"C:\Windows\SysWOW64\refdbg.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 67.68.235.25:50000 | tcp | |
| CA | 67.68.235.25:50000 | tcp | |
| MX | 187.192.180.144:995 | tcp | |
| MX | 187.192.180.144:995 | tcp | |
| EC | 190.154.42.106:8080 | tcp | |
| EC | 190.154.42.106:8080 | tcp |
Files
memory/2924-0-0x00000000000B0000-0x00000000000C7000-memory.dmp
memory/2924-6-0x0000000000130000-0x0000000000140000-memory.dmp
memory/2924-5-0x0000000000110000-0x0000000000127000-memory.dmp
memory/2924-1-0x0000000000110000-0x0000000000127000-memory.dmp
memory/2852-7-0x0000000000120000-0x0000000000137000-memory.dmp
memory/2852-12-0x0000000000140000-0x0000000000157000-memory.dmp
memory/2852-8-0x0000000000140000-0x0000000000157000-memory.dmp
memory/2852-13-0x0000000000160000-0x0000000000170000-memory.dmp
memory/2924-14-0x00000000000B0000-0x00000000000C7000-memory.dmp
memory/1232-15-0x0000000000160000-0x0000000000177000-memory.dmp
memory/1232-19-0x0000000000160000-0x0000000000177000-memory.dmp
memory/1232-20-0x0000000000140000-0x0000000000150000-memory.dmp
memory/2568-21-0x0000000000170000-0x0000000000187000-memory.dmp
memory/2568-22-0x0000000000190000-0x00000000001A7000-memory.dmp
memory/2568-26-0x0000000000190000-0x00000000001A7000-memory.dmp
memory/2568-27-0x0000000000100000-0x0000000000110000-memory.dmp
memory/1232-28-0x0000000000120000-0x0000000000137000-memory.dmp
memory/2852-29-0x0000000000830000-0x0000000000879000-memory.dmp
memory/2852-30-0x0000000000120000-0x0000000000137000-memory.dmp
memory/2568-31-0x0000000000170000-0x0000000000187000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 00:46
Reported
2024-05-22 00:49
Platform
win10v2004-20240508-en
Max time kernel
139s
Max time network
147s
Command Line
Signatures
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4784 wrote to memory of 440 | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe |
| PID 4784 wrote to memory of 440 | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe |
| PID 4784 wrote to memory of 440 | N/A | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe |
| PID 3244 wrote to memory of 1832 | N/A | C:\Windows\SysWOW64\nicinitial.exe | C:\Windows\SysWOW64\nicinitial.exe |
| PID 3244 wrote to memory of 1832 | N/A | C:\Windows\SysWOW64\nicinitial.exe | C:\Windows\SysWOW64\nicinitial.exe |
| PID 3244 wrote to memory of 1832 | N/A | C:\Windows\SysWOW64\nicinitial.exe | C:\Windows\SysWOW64\nicinitial.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"
C:\Windows\SysWOW64\nicinitial.exe
"C:\Windows\SysWOW64\nicinitial.exe"
C:\Windows\SysWOW64\nicinitial.exe
"C:\Windows\SysWOW64\nicinitial.exe"
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 | 28.118.140.52.in-addr.arpa | udp |
| CA | 67.68.235.25:50000 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| EC | 190.154.42.106:8080 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| MX | 189.157.20.25:8443 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| AU | 110.142.247.110:80 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.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 | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| MX | 189.207.27.120:80 | tcp | |
| US | 162.251.81.235:4143 | tcp |
Files
memory/4784-0-0x00000000010C0000-0x00000000010D7000-memory.dmp
memory/4784-1-0x0000000001100000-0x0000000001117000-memory.dmp
memory/4784-5-0x0000000001100000-0x0000000001117000-memory.dmp
memory/4784-6-0x0000000000FB0000-0x0000000000FC0000-memory.dmp
memory/440-13-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/440-12-0x0000000002BB0000-0x0000000002BC7000-memory.dmp
memory/440-11-0x0000000002CF0000-0x0000000002D07000-memory.dmp
memory/440-7-0x0000000002CF0000-0x0000000002D07000-memory.dmp
memory/4784-14-0x00000000010C0000-0x00000000010D7000-memory.dmp
memory/3244-19-0x0000000001150000-0x0000000001167000-memory.dmp
memory/3244-15-0x0000000001150000-0x0000000001167000-memory.dmp
memory/3244-21-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/3244-20-0x0000000001110000-0x0000000001127000-memory.dmp
memory/1832-22-0x0000000000EE0000-0x0000000000EF7000-memory.dmp
memory/1832-27-0x0000000000F20000-0x0000000000F37000-memory.dmp
memory/1832-23-0x0000000000F20000-0x0000000000F37000-memory.dmp
memory/1832-28-0x0000000000F40000-0x0000000000F50000-memory.dmp
memory/3244-29-0x0000000001110000-0x0000000001127000-memory.dmp
memory/440-31-0x0000000002BB0000-0x0000000002BC7000-memory.dmp
memory/440-30-0x0000000000B00000-0x0000000000B49000-memory.dmp
memory/1832-32-0x0000000000EE0000-0x0000000000EF7000-memory.dmp