Analysis Overview
SHA256
914ddc598863597e7ec71bff415cd133a9979594da92cd67eb46b8bdeaaceca3
Threat Level: Known bad
The file 39169684937b17c4ff21c9fa54ba1104_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Blocklisted process makes network request
Loads dropped DLL
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-11 12:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 12:21
Reported
2024-07-11 12:23
Platform
win7-20240704-en
Max time kernel
138s
Max time network
150s
Command Line
Signatures
Emotet
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Dtmhymzuryb\prjkszgqkx.wgr | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39169684937b17c4ff21c9fa54ba1104_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39169684937b17c4ff21c9fa54ba1104_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dtmhymzuryb\prjkszgqkx.wgr",YqNZplRoF
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dtmhymzuryb\prjkszgqkx.wgr",#1
Network
| Country | Destination | Domain | Proto |
| RO | 84.232.229.24:80 | tcp | |
| RO | 84.232.229.24:80 | tcp | |
| FR | 51.255.203.164:8080 | tcp | |
| FR | 51.255.203.164:8080 | tcp | |
| DE | 217.160.169.110:8080 | tcp | |
| DE | 217.160.169.110:8080 | tcp |
Files
memory/1760-0-0x0000000000190000-0x00000000001B1000-memory.dmp
memory/1760-1-0x0000000010000000-0x0000000010024000-memory.dmp
memory/1760-2-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2948-3-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2948-4-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2260-5-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2260-6-0x0000000010000000-0x0000000010024000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 12:21
Reported
2024-07-11 12:23
Platform
win10v2004-20240704-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
Emotet
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Ichhoyke\rjxzfmb.uho | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3948 wrote to memory of 3344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3948 wrote to memory of 3344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3948 wrote to memory of 3344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3344 wrote to memory of 4344 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3344 wrote to memory of 4344 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3344 wrote to memory of 4344 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39169684937b17c4ff21c9fa54ba1104_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39169684937b17c4ff21c9fa54ba1104_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ichhoyke\rjxzfmb.uho",eoYRcRpRLnEiGqY
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3344-1-0x0000000002CB0000-0x0000000002CD1000-memory.dmp
memory/3344-2-0x0000000010000000-0x0000000010024000-memory.dmp
memory/3344-4-0x0000000010000000-0x0000000010024000-memory.dmp
C:\Windows\SysWOW64\Ichhoyke\rjxzfmb.uho
| MD5 | 39169684937b17c4ff21c9fa54ba1104 |
| SHA1 | b30b46a6437d27cbea44da146fc09c79f04af618 |
| SHA256 | 914ddc598863597e7ec71bff415cd133a9979594da92cd67eb46b8bdeaaceca3 |
| SHA512 | 6667e68aa4c0b0d606893e6f7fc6c8face4d25d4cf3000f84f30b7939a76a87000fa18d624295f70da48439d010e7a7eb2630d12fcefb6e8a230a03a627c403b |