Analysis Overview
SHA256
588674efc38299862beb0527dd6ec5b26b39bd1382bdc8e80539417a17344864
Threat Level: Likely malicious
The file 04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
ASPack v2.12-2.42
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-23 01:26
Signatures
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-23 01:26
Reported
2024-06-23 01:29
Platform
win10v2004-20240508-en
Max time kernel
140s
Max time network
127s
Command Line
Signatures
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\62fd4bcaa0.dl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | C:\Windows\SysWOW64\62fd4bcaa0.dl | 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 4840 wrote to memory of 1500 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4840 wrote to memory of 1500 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4840 wrote to memory of 1500 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_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 --no-appcompat-clear --field-trial-handle=4312,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.ip888.tk | udp |
| US | 8.8.8.8:53 | sc.heoru.com | udp |
| US | 8.8.8.8:53 | sd.heoru.com | udp |
Files
memory/1500-0-0x0000000000800000-0x0000000000915000-memory.dmp
C:\Windows\SysWOW64\62fd4bcaa0.dl
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/1500-21-0x0000000000800000-0x0000000000915000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-23 01:26
Reported
2024-06-23 01:29
Platform
win7-20240611-en
Max time kernel
142s
Max time network
133s
Command Line
Signatures
Blocklisted process makes network request
| 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 created | C:\Windows\SysWOW64\02e2f10736.dl | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\02e2f10736.dl | 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
| Description | Indicator | Process | Target |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2196 wrote to memory of 1576 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.szyit.com | udp |
| HK | 43.154.92.187:80 | www.szyit.com | tcp |
| US | 8.8.8.8:53 | sc.heoru.com | udp |
| US | 8.8.8.8:53 | sd.heoru.com | udp |
Files
memory/1576-0-0x0000000000910000-0x0000000000A25000-memory.dmp
C:\Windows\SysWOW64\02e2f10736.dl
| MD5 | be5a9552ae615e273439a86e30e75f76 |
| SHA1 | baf1b9f676f69b57497bd898070d5239833ce40d |
| SHA256 | 1be8c705fca066824751c7ea7d111f98b202c629ecf51b208c55bf93abe1b461 |
| SHA512 | bbe693a6994f6506fb256ccf22f0abc78ada7292f5df25156156e185888d0d52816f59bcfe585144c37d1492b1532b86234674000bc0e932837d027f80b7893f |
memory/1576-21-0x0000000000910000-0x0000000000A25000-memory.dmp