Analysis Overview
SHA256
3c8030b45d07bafb36023df5de15f6a02a461f1ed73dbe7eb4e678bad20e718f
Threat Level: Known bad
The file 26fec1e25a99f0cee5e40a4cac55ea00_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
2024-05-08 22:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-08 22:18
Reported
2024-05-08 22:20
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
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\horzdynamic.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6} | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecisionReason = "1" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\7e-87-0e-97-9c-0b | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecisionTime = 00462aae95a1da01 | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecision = "0" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecisionTime = 00462aae95a1da01 | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDetectedUrl | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecision = "0" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\horzdynamic.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"
C:\Windows\SysWOW64\horzdynamic.exe
"C:\Windows\SysWOW64\horzdynamic.exe"
C:\Windows\SysWOW64\horzdynamic.exe
"C:\Windows\SysWOW64\horzdynamic.exe"
Network
| Country | Destination | Domain | Proto |
| TR | 88.248.51.109:80 | tcp | |
| TR | 88.248.51.109:80 | tcp | |
| US | 72.216.21.186:443 | tcp | |
| US | 72.216.21.186:443 | tcp | |
| US | 108.2.108.124:80 | tcp | |
| US | 108.2.108.124:80 | tcp | |
| IN | 103.69.91.106:443 | tcp |
Files
memory/1676-5-0x0000000000400000-0x0000000000481000-memory.dmp
memory/2236-10-0x0000000000660000-0x0000000000677000-memory.dmp
memory/2236-6-0x0000000000660000-0x0000000000677000-memory.dmp
memory/1676-4-0x00000000002A0000-0x00000000002B7000-memory.dmp
memory/1676-0-0x00000000002A0000-0x00000000002B7000-memory.dmp
memory/2584-11-0x0000000000490000-0x00000000004A7000-memory.dmp
memory/2584-15-0x0000000000490000-0x00000000004A7000-memory.dmp
memory/2648-20-0x00000000003E0000-0x00000000003F7000-memory.dmp
memory/2648-16-0x00000000003E0000-0x00000000003F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-08 22:18
Reported
2024-05-08 22:20
Platform
win10v2004-20240508-en
Max time kernel
146s
Max time network
151s
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\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4624 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe |
| PID 4624 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe |
| PID 4624 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe |
| PID 3336 wrote to memory of 1884 | N/A | C:\Windows\SysWOW64\aerounity.exe | C:\Windows\SysWOW64\aerounity.exe |
| PID 3336 wrote to memory of 1884 | N/A | C:\Windows\SysWOW64\aerounity.exe | C:\Windows\SysWOW64\aerounity.exe |
| PID 3336 wrote to memory of 1884 | N/A | C:\Windows\SysWOW64\aerounity.exe | C:\Windows\SysWOW64\aerounity.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"
C:\Windows\SysWOW64\aerounity.exe
"C:\Windows\SysWOW64\aerounity.exe"
C:\Windows\SysWOW64\aerounity.exe
"C:\Windows\SysWOW64\aerounity.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=4408,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:8
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 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| TR | 88.248.51.109:80 | tcp | |
| US | 72.216.21.186:443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 108.2.108.124:80 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| IN | 103.69.91.106:443 | tcp | |
| US | 96.89.6.21:443 | tcp | |
| US | 67.55.249.84:80 | tcp | |
| US | 71.32.75.57:80 | tcp |
Files
memory/4624-4-0x0000000002220000-0x0000000002237000-memory.dmp
memory/4624-0-0x0000000002220000-0x0000000002237000-memory.dmp
memory/4624-6-0x0000000002240000-0x0000000002250000-memory.dmp
memory/4624-5-0x0000000002200000-0x0000000002217000-memory.dmp
memory/1892-7-0x0000000000620000-0x0000000000637000-memory.dmp
memory/1892-8-0x0000000000640000-0x0000000000657000-memory.dmp
memory/1892-12-0x0000000000640000-0x0000000000657000-memory.dmp
memory/1892-13-0x0000000000660000-0x0000000000670000-memory.dmp
memory/3336-20-0x0000000000590000-0x00000000005A0000-memory.dmp
memory/3336-19-0x0000000000550000-0x0000000000567000-memory.dmp
memory/3336-18-0x0000000000570000-0x0000000000587000-memory.dmp
memory/3336-14-0x0000000000570000-0x0000000000587000-memory.dmp
memory/1884-25-0x0000000000580000-0x0000000000597000-memory.dmp
memory/1884-21-0x0000000000580000-0x0000000000597000-memory.dmp
memory/3336-26-0x0000000000550000-0x0000000000567000-memory.dmp
memory/1892-27-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1892-28-0x0000000000620000-0x0000000000637000-memory.dmp