Analysis Overview
SHA256
9abca527a4f1a59ce0c88f0ce0b68b02a784aab563f3023e7fc338757668cc63
Threat Level: Known bad
The file 99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-06 01:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 01:42
Reported
2024-06-06 02:07
Platform
win7-20240221-en
Max time kernel
144s
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\loopanumber.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\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0113000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-93-be-37-99-e0\WpadDecision = "0" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-93-be-37-99-e0\WpadDecisionReason = "1" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74}\WpadDecisionTime = 50fa3805b6b7da01 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-93-be-37-99-e0 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74}\4a-93-be-37-99-e0 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-93-be-37-99-e0\WpadDecisionTime = 50fa3805b6b7da01 | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74} | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9577840E-7D39-4866-97CC-859C98EB9E74}\WpadDecision = "0" | C:\Windows\SysWOW64\loopanumber.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\loopanumber.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\loopanumber.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe
--658f6038
C:\Windows\SysWOW64\loopanumber.exe
"C:\Windows\SysWOW64\loopanumber.exe"
C:\Windows\SysWOW64\loopanumber.exe
--ca0ba5dc
Network
| Country | Destination | Domain | Proto |
| US | 142.93.88.16:443 | 142.93.88.16 | tcp |
| BE | 31.12.67.62:7080 | tcp | |
| BE | 31.12.67.62:7080 | tcp | |
| HU | 91.83.93.103:7080 | tcp | |
| HU | 91.83.93.103:7080 | tcp | |
| US | 104.131.208.175:8080 | tcp | |
| US | 104.131.208.175:8080 | tcp |
Files
memory/1800-0-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 01:42
Reported
2024-06-06 02:07
Platform
win10v2004-20240426-en
Max time kernel
135s
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\INetCookies | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\svcguidtenant.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\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3484 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe |
| PID 3484 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe |
| PID 3484 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe |
| PID 2420 wrote to memory of 2664 | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | C:\Windows\SysWOW64\svcguidtenant.exe |
| PID 2420 wrote to memory of 2664 | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | C:\Windows\SysWOW64\svcguidtenant.exe |
| PID 2420 wrote to memory of 2664 | N/A | C:\Windows\SysWOW64\svcguidtenant.exe | C:\Windows\SysWOW64\svcguidtenant.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\99bc695dc4bc6fa0762b654487976cf6_JaffaCakes118.exe
--658f6038
C:\Windows\SysWOW64\svcguidtenant.exe
"C:\Windows\SysWOW64\svcguidtenant.exe"
C:\Windows\SysWOW64\svcguidtenant.exe
--2cdb0e09
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 142.93.88.16:443 | 142.93.88.16 | tcp |
| US | 8.8.8.8:53 | 16.88.93.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| BE | 31.12.67.62:7080 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| HU | 91.83.93.103:7080 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 104.131.208.175:8080 | tcp | |
| IN | 45.123.3.54:443 | tcp | |
| FR | 95.128.43.213:8080 | tcp |
Files
memory/4524-0-0x0000000000400000-0x0000000000414000-memory.dmp