Analysis Overview
SHA256
9635c10648c4dccb9c9de1260429441a6936fcbd0f7eb16c4c149adc5888a32f
Threat Level: Known bad
The file c8bd995346f61308e200199c7e041b3c_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 use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 11:34
Signatures
CryptOne packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-29 11:34
Reported
2024-08-29 11:37
Platform
win7-20240729-en
Max time kernel
147s
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\smallhotspot.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\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.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\smallhotspot.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0024000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-dc-e0-a5-73-4f | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-dc-e0-a5-73-4f\WpadDecisionTime = b019ff8507fada01 | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE}\ee-dc-e0-a5-73-4f | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE} | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE}\WpadDecisionTime = b019ff8507fada01 | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE}\WpadDecision = "0" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{95C0AB2A-80FC-44A5-B6CE-6BEE348EA0EE}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-dc-e0-a5-73-4f\WpadDecisionReason = "1" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-dc-e0-a5-73-4f\WpadDecision = "0" | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\smallhotspot.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe
--1a5a73cf
C:\Windows\SysWOW64\smallhotspot.exe
"C:\Windows\SysWOW64\smallhotspot.exe"
C:\Windows\SysWOW64\smallhotspot.exe
--3db04bda
Network
| Country | Destination | Domain | Proto |
| AR | 152.168.82.167:80 | tcp | |
| AR | 152.168.82.167:80 | tcp | |
| ZA | 197.91.152.93:80 | tcp | |
| ZA | 197.91.152.93:80 | tcp | |
| RU | 77.82.85.35:8080 | tcp | |
| RU | 77.82.85.35:8080 | tcp |
Files
memory/2876-0-0x0000000000220000-0x0000000000231000-memory.dmp
memory/2876-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2876-3-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2876-2-0x0000000000220000-0x0000000000231000-memory.dmp
memory/1820-4-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1820-5-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-6-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1820-7-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1820-8-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2088-9-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2088-10-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 11:34
Reported
2024-08-29 11:37
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
154s
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\relatedwhole.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\relatedwhole.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:\Windows\SysWOW64\relatedwhole.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\relatedwhole.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\relatedwhole.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedwhole.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4228 wrote to memory of 4912 | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe |
| PID 4228 wrote to memory of 4912 | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe |
| PID 4228 wrote to memory of 4912 | N/A | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe |
| PID 3916 wrote to memory of 3848 | N/A | C:\Windows\SysWOW64\relatedwhole.exe | C:\Windows\SysWOW64\relatedwhole.exe |
| PID 3916 wrote to memory of 3848 | N/A | C:\Windows\SysWOW64\relatedwhole.exe | C:\Windows\SysWOW64\relatedwhole.exe |
| PID 3916 wrote to memory of 3848 | N/A | C:\Windows\SysWOW64\relatedwhole.exe | C:\Windows\SysWOW64\relatedwhole.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c8bd995346f61308e200199c7e041b3c_JaffaCakes118.exe
--1a5a73cf
C:\Windows\SysWOW64\relatedwhole.exe
"C:\Windows\SysWOW64\relatedwhole.exe"
C:\Windows\SysWOW64\relatedwhole.exe
--45cf80fe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| AR | 152.168.82.167:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| ZA | 197.91.152.93:80 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| RU | 77.82.85.35:8080 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 66.228.45.129:8080 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 65.49.60.163:443 | tcp | |
| US | 45.33.35.103:8080 | tcp | |
| DE | 5.9.128.163:8080 | tcp |
Files
memory/4228-0-0x0000000002160000-0x0000000002171000-memory.dmp
memory/4228-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4228-3-0x0000000002160000-0x0000000002171000-memory.dmp
memory/4912-4-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4912-5-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3916-6-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3916-7-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4912-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3848-11-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3848-12-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3848-14-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3848-15-0x0000000000400000-0x000000000041E000-memory.dmp