Analysis Overview
SHA256
ee0a206415cce60f8b3afb29d8c17f86fe1923cbdf69812be139a3012b2fa24b
Threat Level: Known bad
The file b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-17 19:58
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 19:58
Reported
2024-06-17 20:00
Platform
win7-20240220-en
Max time kernel
144s
Max time network
146s
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\ribbonexec.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C} | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-66-0b-70-30-99\WpadDecisionTime = b04e94c5f0c0da01 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f013f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C}\WpadDecisionTime = b04e94c5f0c0da01 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-66-0b-70-30-99\WpadDecision = "0" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C}\WpadDecision = "0" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-66-0b-70-30-99 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C}\36-66-0b-70-30-99 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-66-0b-70-30-99\WpadDecisionReason = "1" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC3EB598-80B5-4567-A834-A2A57EF8954C}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\ribbonexec.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe
--d7ea9177
C:\Windows\SysWOW64\ribbonexec.exe
"C:\Windows\SysWOW64\ribbonexec.exe"
C:\Windows\SysWOW64\ribbonexec.exe
--477010d9
Network
| Country | Destination | Domain | Proto |
| BG | 95.42.189.34:443 | tcp | |
| BG | 95.42.189.34:443 | tcp | |
| IN | 125.99.106.225:80 | tcp | |
| IN | 125.99.106.225:80 | tcp | |
| TN | 41.227.243.107:80 | tcp | |
| TN | 41.227.243.107:80 | tcp |
Files
memory/2960-0-0x00000000001B0000-0x00000000001C5000-memory.dmp
memory/2960-2-0x00000000001B0000-0x00000000001C5000-memory.dmp
memory/2960-3-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2200-4-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1804-5-0x0000000000400000-0x0000000000427000-memory.dmp
memory/2200-8-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2112-9-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2112-10-0x0000000000400000-0x0000000000427000-memory.dmp
memory/2112-11-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 19:58
Reported
2024-06-17 20:00
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
152s
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\History\History.IE5 | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\smallviewer.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\smallviewer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\smallviewer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallviewer.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2356 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe |
| PID 2356 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe |
| PID 2356 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe |
| PID 4776 wrote to memory of 3968 | N/A | C:\Windows\SysWOW64\smallviewer.exe | C:\Windows\SysWOW64\smallviewer.exe |
| PID 4776 wrote to memory of 3968 | N/A | C:\Windows\SysWOW64\smallviewer.exe | C:\Windows\SysWOW64\smallviewer.exe |
| PID 4776 wrote to memory of 3968 | N/A | C:\Windows\SysWOW64\smallviewer.exe | C:\Windows\SysWOW64\smallviewer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\b9c32274be42fd6ad161ab31f742bc28_JaffaCakes118.exe
--d7ea9177
C:\Windows\SysWOW64\smallviewer.exe
"C:\Windows\SysWOW64\smallviewer.exe"
C:\Windows\SysWOW64\smallviewer.exe
--3dab36ef
Network
| Country | Destination | Domain | Proto |
| 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 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| 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 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| BG | 95.42.189.34:443 | 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 | 107.12.20.2.in-addr.arpa | udp |
| IN | 125.99.106.225:80 | tcp | |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| TN | 41.227.243.107:80 | tcp | |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| AR | 190.18.153.249:80 | tcp | |
| MX | 189.150.218.69:8080 | tcp | |
| US | 8.8.8.8:53 | 28.173.189.20.in-addr.arpa | udp |
Files
memory/2356-0-0x0000000000590000-0x00000000005A5000-memory.dmp
memory/2356-4-0x0000000000590000-0x00000000005A5000-memory.dmp
memory/2356-3-0x0000000000400000-0x0000000000427000-memory.dmp
memory/2356-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2944-5-0x0000000000400000-0x0000000000427000-memory.dmp
memory/2944-6-0x0000000000400000-0x0000000000427000-memory.dmp
memory/4776-7-0x0000000000400000-0x0000000000427000-memory.dmp
memory/4776-9-0x0000000000400000-0x0000000000427000-memory.dmp
memory/2944-11-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3968-13-0x0000000000400000-0x0000000000427000-memory.dmp
memory/3968-14-0x0000000000400000-0x0000000000427000-memory.dmp
memory/3968-17-0x0000000000400000-0x0000000000427000-memory.dmp
memory/3968-18-0x0000000000400000-0x0000000000427000-memory.dmp