Analysis Overview
SHA256
38a389ae3b625c324dd44b8707169407bf5a39a3310841da29db13f30a3a41ec
Threat Level: Known bad
The file d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
CryptOne packer
Drops file in System32 directory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-08 05:21
Signatures
CryptOne packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-08 05:20
Reported
2024-09-08 05:23
Platform
win7-20240704-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\wfpsingle.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A}\WpadDecision = "0" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-84-80-90-f2-bd | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-84-80-90-f2-bd\WpadDecisionReason = "1" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A} | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A}\WpadDecisionTime = 909eebf8ae01db01 | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-84-80-90-f2-bd\WpadDecisionTime = 909eebf8ae01db01 | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f018a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7BFCE0B-1293-4EFE-9844-29826F954C0A}\0a-84-80-90-f2-bd | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-84-80-90-f2-bd\WpadDecision = "0" | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wfpsingle.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
--3028d603
C:\Windows\SysWOW64\wfpsingle.exe
"C:\Windows\SysWOW64\wfpsingle.exe"
C:\Windows\SysWOW64\wfpsingle.exe
--7e9a8a5f
Network
| Country | Destination | Domain | Proto |
| MX | 201.97.58.156:8443 | tcp | |
| MX | 201.97.58.156:8443 | tcp | |
| MX | 189.230.171.255:990 | tcp | |
| MX | 189.230.171.255:990 | tcp | |
| US | 72.161.250.4:80 | tcp | |
| US | 72.161.250.4:80 | tcp |
Files
memory/1700-0-0x0000000000220000-0x000000000023B000-memory.dmp
memory/1700-1-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1700-4-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1700-3-0x0000000000220000-0x000000000023B000-memory.dmp
memory/1960-5-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2544-6-0x0000000000400000-0x0000000000459000-memory.dmp
memory/1960-7-0x0000000000400000-0x0000000000459000-memory.dmp
memory/1960-10-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2520-11-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2520-12-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2520-13-0x0000000000400000-0x000000000041D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-08 05:20
Reported
2024-09-08 05:23
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
153s
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\avgculture.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\avgculture.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\avgculture.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\avgculture.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\avgculture.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\avgculture.exe | N/A |
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\avgculture.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\avgculture.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\avgculture.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\avgculture.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4260 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe |
| PID 4260 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe |
| PID 4260 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe |
| PID 1536 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\avgculture.exe | C:\Windows\SysWOW64\avgculture.exe |
| PID 1536 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\avgculture.exe | C:\Windows\SysWOW64\avgculture.exe |
| PID 1536 wrote to memory of 4884 | N/A | C:\Windows\SysWOW64\avgculture.exe | C:\Windows\SysWOW64\avgculture.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
--3028d603
C:\Windows\SysWOW64\avgculture.exe
"C:\Windows\SysWOW64\avgculture.exe"
C:\Windows\SysWOW64\avgculture.exe
--ed713c4e
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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| MX | 201.97.58.156:8443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 72.161.250.4:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| QA | 37.210.168.251:80 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| AR | 181.23.229.192:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 185.94.252.3:443 | tcp |
Files
memory/4260-0-0x0000000000600000-0x000000000061B000-memory.dmp
memory/4260-1-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4260-4-0x0000000000600000-0x000000000061B000-memory.dmp
memory/3760-5-0x0000000000400000-0x0000000000459000-memory.dmp
memory/3760-6-0x0000000000400000-0x0000000000459000-memory.dmp
memory/1536-7-0x0000000000400000-0x0000000000459000-memory.dmp
memory/1536-8-0x0000000000400000-0x0000000000459000-memory.dmp
memory/3760-13-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4884-14-0x0000000000400000-0x0000000000459000-memory.dmp
memory/4884-15-0x0000000000400000-0x0000000000459000-memory.dmp
memory/4884-16-0x0000000000400000-0x0000000000459000-memory.dmp
memory/4884-18-0x0000000000400000-0x0000000000459000-memory.dmp