Analysis Overview
SHA256
dc441a492738214757619bab2353ff7f173b3c9925e69551a9c348e39ab9d59c
Threat Level: Known bad
The file e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies visiblity of hidden/system files in Explorer
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 23:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:48
Reported
2024-04-06 23:51
Platform
win7-20240215-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | C:\Users\Admin\roemuus.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\roemuus.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\roemuus = "C:\\Users\\Admin\\roemuus.exe" | C:\Users\Admin\roemuus.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\roemuus.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe"
C:\Users\Admin\roemuus.exe
"C:\Users\Admin\roemuus.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ns1.theimageparlour.net | udp |
| US | 206.189.185.75:8000 | ns1.theimageparlour.net | tcp |
Files
memory/2268-0-0x0000000000400000-0x0000000000445000-memory.dmp
C:\Users\Admin\roemuus.exe
| MD5 | 88b3004f20cf4668cf86784bc9c92884 |
| SHA1 | c3298ad223b94f4b0cc11b570e6cae9b42f41ead |
| SHA256 | 73fd76bca0d62fbbce70b03854661fd20fc0964eb222ed242dbcf2bc789f683c |
| SHA512 | 690e6f9c6882773632bee1c975e1ad75bb71744518189daf03a73dcd097bb05b0cdac456ad58832e9816014c912651791d46fb6eec74da784e1a48ead2cf884e |
memory/2268-9-0x0000000003180000-0x00000000031C5000-memory.dmp
memory/1668-16-0x0000000000400000-0x0000000000445000-memory.dmp
memory/2268-14-0x0000000003180000-0x00000000031C5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:48
Reported
2024-04-06 23:51
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | C:\Users\Admin\toavee.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\toavee.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\toavee = "C:\\Users\\Admin\\toavee.exe" | C:\Users\Admin\toavee.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\toavee.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e39423d8eed063817dbda1e3dfc8b248_JaffaCakes118.exe"
C:\Users\Admin\toavee.exe
"C:\Users\Admin\toavee.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ns2.theimageparlour.net | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
memory/212-0-0x0000000000400000-0x0000000000445000-memory.dmp
C:\Users\Admin\toavee.exe
| MD5 | 24fbe577726a78cceb28b47bf7770131 |
| SHA1 | d84d843f46f9997d4156a8387a8d1e7f06840676 |
| SHA256 | 499bed4679604166b52b0ebbc04e136b8ff2e4a63d63044efdd1ae7b4bea1652 |
| SHA512 | 31ab2521dd3e7b8a300bdb1eab9e3659e8456e0f71eba7a3038c82bd248186adea2bf4dab10be6ac3137aa9bb1228ca92498bff31c5bb0d18913e52b91c07ee6 |
memory/2564-34-0x0000000000400000-0x0000000000445000-memory.dmp