Analysis Overview
SHA256
03ae00f9fec44e8a68cf1fa1ef776935c4a82646489ffa868c271e5546dab58f
Threat Level: Known bad
The file 664c1f524fdf0e1c9c50776c8bb7473d_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
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 06:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 06:21
Reported
2024-05-22 06:23
Platform
win7-20240221-en
Max time kernel
132s
Max time network
142s
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\earconshader.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990} | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-dc-20-01-45-ff\WpadDecisionTime = c0f2e45110acda01 | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-dc-20-01-45-ff\WpadDecision = "0" | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-dc-20-01-45-ff | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990}\WpadDecisionTime = c0f2e45110acda01 | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990}\4e-dc-20-01-45-ff | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-dc-20-01-45-ff\WpadDecisionReason = "1" | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00fa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94DF80E4-0488-4721-A1B6-02772A79C990}\WpadDecision = "0" | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\earconshader.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\earconshader.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\earconshader.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\earconshader.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\earconshader.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\earconshader.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\earconshader.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe"
C:\Windows\SysWOW64\earconshader.exe
"C:\Windows\SysWOW64\earconshader.exe"
C:\Windows\SysWOW64\earconshader.exe
"C:\Windows\SysWOW64\earconshader.exe"
Network
| Country | Destination | Domain | Proto |
| JP | 133.242.164.31:7080 | tcp | |
| JP | 133.242.164.31:7080 | tcp | |
| KR | 115.71.233.127:443 | tcp | |
| KR | 115.71.233.127:443 | tcp | |
| JP | 153.121.36.202:7080 | tcp | |
| JP | 153.121.36.202:7080 | tcp |
Files
memory/2848-6-0x0000000000240000-0x0000000000250000-memory.dmp
memory/2848-5-0x0000000000350000-0x000000000036A000-memory.dmp
memory/2848-4-0x0000000000370000-0x000000000038A000-memory.dmp
memory/2848-0-0x0000000000370000-0x000000000038A000-memory.dmp
memory/2880-7-0x0000000000300000-0x000000000031A000-memory.dmp
memory/2880-11-0x0000000000300000-0x000000000031A000-memory.dmp
memory/2880-13-0x0000000000270000-0x0000000000280000-memory.dmp
memory/2880-12-0x00000000002E0000-0x00000000002FA000-memory.dmp
memory/2744-14-0x00000000003E0000-0x00000000003FA000-memory.dmp
memory/2744-18-0x00000000003E0000-0x00000000003FA000-memory.dmp
memory/2744-20-0x0000000000330000-0x0000000000340000-memory.dmp
memory/2744-19-0x00000000003C0000-0x00000000003DA000-memory.dmp
memory/2908-25-0x00000000003D0000-0x00000000003EA000-memory.dmp
memory/2908-21-0x00000000003D0000-0x00000000003EA000-memory.dmp
memory/2880-26-0x0000000000400000-0x0000000000475000-memory.dmp
memory/2880-27-0x00000000002E0000-0x00000000002FA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 06:21
Reported
2024-05-22 06:23
Platform
win10v2004-20240508-en
Max time kernel
144s
Max time network
149s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4116 wrote to memory of 1004 | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe |
| PID 4116 wrote to memory of 1004 | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe |
| PID 4116 wrote to memory of 1004 | N/A | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe |
| PID 1948 wrote to memory of 2564 | N/A | C:\Windows\SysWOW64\subsvsc.exe | C:\Windows\SysWOW64\subsvsc.exe |
| PID 1948 wrote to memory of 2564 | N/A | C:\Windows\SysWOW64\subsvsc.exe | C:\Windows\SysWOW64\subsvsc.exe |
| PID 1948 wrote to memory of 2564 | N/A | C:\Windows\SysWOW64\subsvsc.exe | C:\Windows\SysWOW64\subsvsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\664c1f524fdf0e1c9c50776c8bb7473d_JaffaCakes118.exe"
C:\Windows\SysWOW64\subsvsc.exe
"C:\Windows\SysWOW64\subsvsc.exe"
C:\Windows\SysWOW64\subsvsc.exe
"C:\Windows\SysWOW64\subsvsc.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| JP | 133.242.164.31:7080 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| KR | 115.71.233.127:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| JP | 153.121.36.202:7080 | tcp | |
| US | 8.8.8.8:53 | 107.211.222.173.in-addr.arpa | udp |
| US | 50.31.0.160:8080 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 45.63.17.206:8080 | tcp | |
| US | 208.78.100.202:8080 | tcp | |
| FR | 62.75.191.231:8080 | tcp |
Files
memory/4116-0-0x0000000000A70000-0x0000000000A8A000-memory.dmp
memory/4116-4-0x0000000000A70000-0x0000000000A8A000-memory.dmp
memory/4116-6-0x0000000000A90000-0x0000000000AA0000-memory.dmp
memory/4116-5-0x0000000000650000-0x000000000066A000-memory.dmp
memory/1004-11-0x0000000000880000-0x000000000089A000-memory.dmp
memory/1004-7-0x0000000000880000-0x000000000089A000-memory.dmp
memory/1004-12-0x0000000000860000-0x000000000087A000-memory.dmp
memory/1004-13-0x0000000000650000-0x0000000000660000-memory.dmp
memory/1948-14-0x0000000000DC0000-0x0000000000DDA000-memory.dmp
memory/1948-18-0x0000000000DC0000-0x0000000000DDA000-memory.dmp
memory/1948-20-0x00000000004C0000-0x00000000004D0000-memory.dmp
memory/1948-19-0x0000000000AC0000-0x0000000000ADA000-memory.dmp
memory/2564-21-0x0000000000830000-0x000000000084A000-memory.dmp
memory/2564-25-0x0000000000830000-0x000000000084A000-memory.dmp
memory/1948-26-0x0000000000AC0000-0x0000000000ADA000-memory.dmp
memory/1004-27-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1004-28-0x0000000000860000-0x000000000087A000-memory.dmp