Analysis Overview
SHA256
a3a993c23a06d2bacbe059fff674ec44672b09ed32e3bc2b69513f4d3b077081
Threat Level: Known bad
The file 64853fffc1026b825bc5ea19dee5cc41_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-21 19:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-21 19:41
Reported
2024-05-21 19:44
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
158s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1384 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1384 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1384 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 3756 wrote to memory of 1336 | N/A | C:\Windows\SysWOW64\oobecabinet.exe | C:\Windows\SysWOW64\oobecabinet.exe |
| PID 3756 wrote to memory of 1336 | N/A | C:\Windows\SysWOW64\oobecabinet.exe | C:\Windows\SysWOW64\oobecabinet.exe |
| PID 3756 wrote to memory of 1336 | N/A | C:\Windows\SysWOW64\oobecabinet.exe | C:\Windows\SysWOW64\oobecabinet.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Windows\SysWOW64\oobecabinet.exe
"C:\Windows\SysWOW64\oobecabinet.exe"
C:\Windows\SysWOW64\oobecabinet.exe
"C:\Windows\SysWOW64\oobecabinet.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 --mojo-platform-channel-handle=3808 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.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 |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| IE | 213.79.36.67:80 | tcp | |
| US | 24.90.102.247:443 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| MX | 189.250.174.245:7080 | tcp | |
| US | 199.38.204.218:80 | tcp | |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| US | 67.251.11.28:443 | tcp |
Files
memory/1384-1-0x0000000000A90000-0x0000000000AA6000-memory.dmp
memory/1384-2-0x0000000000AB0000-0x0000000000AC6000-memory.dmp
memory/1384-6-0x0000000000AB0000-0x0000000000AC6000-memory.dmp
memory/1384-7-0x00000000006A0000-0x00000000006B0000-memory.dmp
memory/2436-9-0x0000000000A40000-0x0000000000A56000-memory.dmp
memory/2436-14-0x0000000000A60000-0x0000000000A76000-memory.dmp
memory/2436-10-0x0000000000A60000-0x0000000000A76000-memory.dmp
memory/2436-15-0x0000000000A80000-0x0000000000A90000-memory.dmp
memory/1384-16-0x0000000000A90000-0x0000000000AA6000-memory.dmp
memory/3756-18-0x0000000000600000-0x0000000000616000-memory.dmp
memory/3756-23-0x0000000000640000-0x0000000000656000-memory.dmp
memory/3756-24-0x0000000000620000-0x0000000000630000-memory.dmp
memory/3756-19-0x0000000000640000-0x0000000000656000-memory.dmp
memory/1336-30-0x0000000001230000-0x0000000001246000-memory.dmp
memory/1336-26-0x0000000001230000-0x0000000001246000-memory.dmp
memory/3756-31-0x0000000000600000-0x0000000000616000-memory.dmp
memory/2436-32-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2436-33-0x0000000000A40000-0x0000000000A56000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-21 19:41
Reported
2024-05-21 19:43
Platform
win7-20240220-en
Max time kernel
133s
Max time network
142s
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\mutemfidl.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\Connections | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96} | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96}\WpadDecision = "0" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-d5-5b-c8-96-7e\WpadDecisionReason = "1" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-d5-5b-c8-96-7e\WpadDecisionTime = 507e0fe8b6abda01 | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f013a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96}\WpadDecisionTime = 507e0fe8b6abda01 | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-d5-5b-c8-96-7e | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7109D19-33EB-4414-85B6-F15CABCADD96}\0a-d5-5b-c8-96-7e | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-d5-5b-c8-96-7e\WpadDecision = "0" | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mutemfidl.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1660 wrote to memory of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1660 wrote to memory of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1660 wrote to memory of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1660 wrote to memory of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 2632 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\mutemfidl.exe | C:\Windows\SysWOW64\mutemfidl.exe |
| PID 2632 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\mutemfidl.exe | C:\Windows\SysWOW64\mutemfidl.exe |
| PID 2632 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\mutemfidl.exe | C:\Windows\SysWOW64\mutemfidl.exe |
| PID 2632 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\mutemfidl.exe | C:\Windows\SysWOW64\mutemfidl.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Windows\SysWOW64\mutemfidl.exe
"C:\Windows\SysWOW64\mutemfidl.exe"
C:\Windows\SysWOW64\mutemfidl.exe
"C:\Windows\SysWOW64\mutemfidl.exe"
Network
| Country | Destination | Domain | Proto |
| IE | 213.79.36.67:80 | tcp | |
| IE | 213.79.36.67:80 | tcp | |
| US | 24.90.102.247:443 | tcp | |
| US | 24.90.102.247:443 | tcp | |
| MX | 189.250.174.245:7080 | tcp | |
| MX | 189.250.174.245:7080 | tcp |
Files
memory/1660-5-0x0000000002710000-0x0000000002726000-memory.dmp
memory/1660-1-0x0000000002710000-0x0000000002726000-memory.dmp
memory/1660-6-0x00000000026F0000-0x0000000002706000-memory.dmp
memory/1660-7-0x0000000000510000-0x0000000000520000-memory.dmp
memory/2756-15-0x0000000000360000-0x0000000000370000-memory.dmp
memory/2756-14-0x0000000000610000-0x0000000000626000-memory.dmp
memory/2756-13-0x00000000025E0000-0x00000000025F6000-memory.dmp
memory/2756-9-0x00000000025E0000-0x00000000025F6000-memory.dmp
memory/1660-16-0x00000000026F0000-0x0000000002706000-memory.dmp
memory/2632-18-0x0000000000490000-0x00000000004A6000-memory.dmp
memory/2632-23-0x00000000004B0000-0x00000000004C6000-memory.dmp
memory/2632-19-0x00000000004B0000-0x00000000004C6000-memory.dmp
memory/2632-24-0x00000000004D0000-0x00000000004E0000-memory.dmp
memory/2556-32-0x0000000000240000-0x0000000000250000-memory.dmp
memory/2556-31-0x00000000004B0000-0x00000000004C6000-memory.dmp
memory/2556-30-0x00000000004D0000-0x00000000004E6000-memory.dmp
memory/2556-26-0x00000000004D0000-0x00000000004E6000-memory.dmp
memory/2632-33-0x0000000000490000-0x00000000004A6000-memory.dmp
memory/2756-34-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2756-35-0x0000000000610000-0x0000000000626000-memory.dmp
memory/2556-36-0x00000000004B0000-0x00000000004C6000-memory.dmp