Analysis Overview
SHA256
d6db5786967bc747a5f2072b0071485c240a6a9689deb803afebcf22a35ad609
Threat Level: Known bad
The file 2dd3d159bf5e55168a4e35ac5e23ea70_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
2024-07-08 21:15
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-08 21:15
Reported
2024-07-09 03:55
Platform
win7-20240708-en
Max time kernel
130s
Max time network
141s
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\Kazsfyjseib\ifdvjqiiys.nuv | 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\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kazsfyjseib\ifdvjqiiys.nuv",szxv
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kazsfyjseib\ifdvjqiiys.nuv",#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/1868-1-0x0000000010000000-0x0000000010024000-memory.dmp
memory/1868-0-0x0000000000110000-0x0000000000131000-memory.dmp
memory/1868-2-0x0000000010000000-0x0000000010024000-memory.dmp
memory/1056-3-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2176-4-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2176-5-0x0000000010000000-0x0000000010024000-memory.dmp
memory/2176-6-0x0000000010000000-0x0000000010024000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-08 21:15
Reported
2024-07-09 03:56
Platform
win10v2004-20240704-en
Max time kernel
133s
Max time network
131s
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\Cdpnnvwkeuk\aunbgtbqxb.drz | 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 404 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 404 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 404 wrote to memory of 1732 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1732 wrote to memory of 1620 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1732 wrote to memory of 1620 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1732 wrote to memory of 1620 | 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\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd3d159bf5e55168a4e35ac5e23ea70_JaffaCakes118.dll,#1
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 --field-trial-handle=4624,i,10426317566413639638,17907471819827662535,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cdpnnvwkeuk\aunbgtbqxb.drz",gzgkLZffJ
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/1732-0-0x0000000001310000-0x0000000001331000-memory.dmp
memory/1732-1-0x0000000010000000-0x0000000010024000-memory.dmp
memory/1732-3-0x0000000010000000-0x0000000010024000-memory.dmp
C:\Windows\SysWOW64\Cdpnnvwkeuk\aunbgtbqxb.drz
| MD5 | 2dd3d159bf5e55168a4e35ac5e23ea70 |
| SHA1 | f485ef3c033a9a8f37880d7cf19ccdf10229dc3d |
| SHA256 | d6db5786967bc747a5f2072b0071485c240a6a9689deb803afebcf22a35ad609 |
| SHA512 | 807f592e88e403990ae91651c7f274f9b2fe565f54adf9246539aa61382b860a5361a24a4aa76a796368d39c5a4983c149a715a5ea67d5d306e3343c270c1f88 |