Analysis Overview
SHA256
b7e698cb78f12461551004444c1dfaee41855bbbc48b1de4bb8120c30cf92d59
Threat Level: Known bad
The file aca0085ca35935b713aca011c2c66a31_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 02:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 02:41
Reported
2024-06-15 02:44
Platform
win7-20240508-en
Max time kernel
144s
Max time network
148s
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\portalsmall.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\Wpad\de-80-0a-d1-54-46\WpadDecisionTime = 006edca6cdbeda01 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-80-0a-d1-54-46\WpadDecision = "0" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA}\WpadDecision = "0" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-80-0a-d1-54-46 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-80-0a-d1-54-46\WpadDecisionReason = "1" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA}\WpadDecisionTime = 006edca6cdbeda01 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA}\de-80-0a-d1-54-46 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0091000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D1E6AAB7-D2FE-46B4-B8C7-DF3894AF7DEA} | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\portalsmall.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\portalsmall.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\portalsmall.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe
--adf7df9e
C:\Windows\SysWOW64\portalsmall.exe
"C:\Windows\SysWOW64\portalsmall.exe"
C:\Windows\SysWOW64\portalsmall.exe
--cbd17991
Network
| Country | Destination | Domain | Proto |
| MX | 187.188.166.192:80 | tcp | |
| MX | 187.188.166.192:80 | tcp | |
| GB | 88.215.2.29:80 | tcp | |
| GB | 88.215.2.29:80 | tcp | |
| MX | 187.137.162.145:443 | tcp | |
| MX | 187.137.162.145:443 | tcp |
Files
memory/1812-0-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 02:41
Reported
2024-06-15 02:44
Platform
win10v2004-20240611-en
Max time kernel
127s
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\INetCache\Content.IE5 | C:\Windows\SysWOW64\langsexec.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\langsexec.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\langsexec.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\langsexec.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\langsexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\langsexec.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\langsexec.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\langsexec.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2860 wrote to memory of 372 | N/A | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe |
| PID 2860 wrote to memory of 372 | N/A | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe |
| PID 2860 wrote to memory of 372 | N/A | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe |
| PID 5100 wrote to memory of 3652 | N/A | C:\Windows\SysWOW64\langsexec.exe | C:\Windows\SysWOW64\langsexec.exe |
| PID 5100 wrote to memory of 3652 | N/A | C:\Windows\SysWOW64\langsexec.exe | C:\Windows\SysWOW64\langsexec.exe |
| PID 5100 wrote to memory of 3652 | N/A | C:\Windows\SysWOW64\langsexec.exe | C:\Windows\SysWOW64\langsexec.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\aca0085ca35935b713aca011c2c66a31_JaffaCakes118.exe
--adf7df9e
C:\Windows\SysWOW64\langsexec.exe
"C:\Windows\SysWOW64\langsexec.exe"
C:\Windows\SysWOW64\langsexec.exe
--ef2153cc
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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| MX | 187.188.166.192:80 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| GB | 88.215.2.29:80 | tcp | |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| MX | 187.137.162.145:443 | tcp | |
| US | 65.49.60.163:443 | tcp | |
| US | 45.33.35.103:8080 | tcp | |
| AU | 43.229.62.186:8080 | tcp |
Files
memory/372-0-0x0000000000400000-0x0000000000414000-memory.dmp