Analysis Overview
SHA256
8a69ebc7ed429210e3f599c809699cd3204ab237ed7a766859822690a1381455
Threat Level: Known bad
The file 79bac4334dc123c612ec36d003ab60f8_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-27 16:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-27 16:24
Reported
2024-05-27 16:27
Platform
win7-20240221-en
Max time kernel
136s
Max time network
150s
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\publishmailbox.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionTime = 70147d6f52b0da01 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionReason = "1" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionTime = 304561a952b0da01 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecision = "0" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecision = "0" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDetectedUrl | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B} | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\06-06-a1-c9-6d-1e | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionTime = 304561a952b0da01 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionTime = 70147d6f52b0da01 | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\publishmailbox.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe
--f6049c8e
C:\Windows\SysWOW64\publishmailbox.exe
"C:\Windows\SysWOW64\publishmailbox.exe"
C:\Windows\SysWOW64\publishmailbox.exe
--22acc977
Network
| Country | Destination | Domain | Proto |
| US | 66.209.97.122:8080 | tcp | |
| US | 66.209.97.122:8080 | tcp | |
| US | 174.77.190.137:8080 | tcp | |
| US | 174.77.190.137:8080 | tcp | |
| US | 104.137.176.186:80 | tcp | |
| US | 104.137.176.186:80 | tcp | |
| DE | 165.227.156.155:443 | 165.227.156.155 | tcp |
| US | 167.99.105.223:7080 | tcp |
Files
memory/1708-0-0x00000000003C0000-0x00000000003D7000-memory.dmp
memory/3032-5-0x0000000000240000-0x0000000000257000-memory.dmp
memory/3064-10-0x0000000000390000-0x00000000003A7000-memory.dmp
memory/3032-15-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2580-16-0x00000000005F0000-0x0000000000607000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-27 16:24
Reported
2024-05-27 16:27
Platform
win10v2004-20240426-en
Max time kernel
142s
Max time network
150s
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\INetCache\Content.IE5 | C:\Windows\SysWOW64\componsensor.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\componsensor.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\componsensor.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\componsensor.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\componsensor.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\componsensor.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\componsensor.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\componsensor.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2588 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe |
| PID 2588 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe |
| PID 2588 wrote to memory of 3380 | N/A | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe |
| PID 3712 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\componsensor.exe | C:\Windows\SysWOW64\componsensor.exe |
| PID 3712 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\componsensor.exe | C:\Windows\SysWOW64\componsensor.exe |
| PID 3712 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\componsensor.exe | C:\Windows\SysWOW64\componsensor.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe
--f6049c8e
C:\Windows\SysWOW64\componsensor.exe
"C:\Windows\SysWOW64\componsensor.exe"
C:\Windows\SysWOW64\componsensor.exe
--562a88da
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 66.209.97.122:8080 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 174.77.190.137:8080 | tcp | |
| US | 104.137.176.186:80 | tcp | |
| DE | 165.227.156.155:443 | 165.227.156.155 | tcp |
| US | 8.8.8.8:53 | 155.156.227.165.in-addr.arpa | udp |
| US | 167.99.105.223:7080 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 67.225.179.64:8080 | tcp | |
| FR | 176.31.200.130:8080 | tcp |
Files
memory/2588-0-0x0000000002250000-0x0000000002267000-memory.dmp
memory/3380-5-0x0000000001FB0000-0x0000000001FC7000-memory.dmp
memory/3712-10-0x0000000000D70000-0x0000000000D87000-memory.dmp
memory/3380-15-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2488-16-0x0000000000D50000-0x0000000000D67000-memory.dmp