Analysis Overview
SHA256
2564d5cf90c410e244f0e48b2114c79a30dfd862574831d5f6a66a2f7dbc7494
Threat Level: Known bad
The file 98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
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
2024-06-05 12:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-05 12:27
Reported
2024-06-05 12:36
Platform
win7-20231129-en
Max time kernel
150s
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\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\printschunker.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\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\WpadDecisionTime = 405510dc44b7da01 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\96-17-9c-c4-2a-e2 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0051000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2\WpadDecisionTime = 405510dc44b7da01 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0051000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2\WpadDetectedUrl | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2\WpadDecision = "0" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2\WpadDecisionReason = "1" | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2\WpadDecisionTime = c022ff9f44b7da01 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-17-9c-c4-2a-e2 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F} | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\WpadDecisionTime = c022ff9f44b7da01 | C:\Windows\SysWOW64\printschunker.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DC5DC725-7EE4-4106-A354-37B58A2E741F}\WpadDecision = "0" | C:\Windows\SysWOW64\printschunker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\printschunker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\printschunker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\printschunker.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\printschunker.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe
--c4660c42
C:\Windows\SysWOW64\printschunker.exe
"C:\Windows\SysWOW64\printschunker.exe"
C:\Windows\SysWOW64\printschunker.exe
--4e948aaa
Network
| Country | Destination | Domain | Proto |
| US | 70.32.78.99:8080 | tcp | |
| US | 70.32.78.99:8080 | tcp | |
| PL | 213.189.36.51:8080 | tcp | |
| PL | 213.189.36.51:8080 | tcp | |
| US | 107.170.27.84:443 | tcp | |
| US | 107.170.27.84:443 | tcp | |
| GB | 85.234.143.94:8080 | tcp | |
| GB | 85.234.143.94:8080 | tcp |
Files
memory/1764-0-0x00000000005E0000-0x00000000005F7000-memory.dmp
memory/1764-5-0x00000000005C0000-0x00000000005D1000-memory.dmp
memory/2996-6-0x0000000000260000-0x0000000000277000-memory.dmp
memory/1448-11-0x0000000000370000-0x0000000000387000-memory.dmp
memory/1680-16-0x0000000000470000-0x0000000000487000-memory.dmp
memory/2996-21-0x0000000000400000-0x000000000042B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-05 12:27
Reported
2024-06-05 12:36
Platform
win10v2004-20240426-en
Max time kernel
5s
Max time network
164s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3972 wrote to memory of 4328 | N/A | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe |
| PID 3972 wrote to memory of 4328 | N/A | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe |
| PID 3972 wrote to memory of 4328 | N/A | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe |
| PID 4792 wrote to memory of 3288 | N/A | C:\Windows\SysWOW64\chunkernic.exe | C:\Windows\SysWOW64\chunkernic.exe |
| PID 4792 wrote to memory of 3288 | N/A | C:\Windows\SysWOW64\chunkernic.exe | C:\Windows\SysWOW64\chunkernic.exe |
| PID 4792 wrote to memory of 3288 | N/A | C:\Windows\SysWOW64\chunkernic.exe | C:\Windows\SysWOW64\chunkernic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\98292ead4d99d7ea433b0a0660ceb2f0_JaffaCakes118.exe
--c4660c42
C:\Windows\SysWOW64\chunkernic.exe
"C:\Windows\SysWOW64\chunkernic.exe"
C:\Windows\SysWOW64\chunkernic.exe
--9f42ed00
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 70.32.78.99:8080 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| PL | 213.189.36.51:8080 | tcp | |
| US | 107.170.27.84:443 | tcp | |
| GB | 85.234.143.94:8080 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| BO | 200.58.83.179:80 | tcp | |
| NL | 51.15.8.192:8080 | tcp | |
| US | 8.8.8.8:53 | 67.112.168.52.in-addr.arpa | udp |
Files
memory/3972-5-0x0000000002180000-0x0000000002191000-memory.dmp
memory/3972-0-0x00000000021A0000-0x00000000021B7000-memory.dmp
memory/4328-6-0x0000000002060000-0x0000000002077000-memory.dmp
memory/4792-12-0x0000000000FA0000-0x0000000000FB7000-memory.dmp
memory/4328-23-0x0000000000400000-0x000000000042B000-memory.dmp
memory/3288-18-0x00000000006B0000-0x00000000006C7000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\5ee9f8cddb3ff188c6a99dcf99203008_41e50f4a-4a76-42e1-a3df-51306e426307
| MD5 | aaec799e344163d0d188e0590697cb1e |
| SHA1 | 94aa3e9674f1335e1cdf6dc7b7c7cdbf5c97c65d |
| SHA256 | d627b40c75603106e24782fdb852c180722ae6d472bdb60367bf2708f28f5454 |
| SHA512 | 285e78b5ddc3049b2b167e0c785f410260eecdbb745489e3e5984e118c627e97b7499f8a937a4a6d5da4fe046fb220fc70fd5abc583083909fd005b1ee4f03b0 |