Analysis Overview
SHA256
a9c422203b66b4affbf64982802f15d355db7c4882e297aed106a3922ffb8056
Threat Level: Known bad
The file 1709065d9e88bad4a044992fcbd131e3_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Uses the VBS compiler for execution
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 18:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 18:22
Reported
2024-06-27 18:25
Platform
win7-20240611-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Darkcomet
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\Testing = "C:\\ProgramData\\Svg64.exe" | C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3040 set thread context of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Network
Files
memory/3040-0-0x0000000074081000-0x0000000074082000-memory.dmp
memory/3040-1-0x0000000074080000-0x000000007462B000-memory.dmp
memory/3040-2-0x0000000074080000-0x000000007462B000-memory.dmp
memory/2160-3-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-4-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-13-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2160-10-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-9-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-8-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-7-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-6-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/2160-5-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/3040-17-0x0000000074080000-0x000000007462B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 18:22
Reported
2024-06-27 18:25
Platform
win10v2004-20240508-en
Max time kernel
94s
Max time network
96s
Command Line
Signatures
Darkcomet
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Testing = "C:\\ProgramData\\Svg64.exe" | C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 968 set thread context of 1624 | N/A | C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1709065d9e88bad4a044992fcbd131e3_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1624 -ip 1624
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 12
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/968-0-0x0000000074A22000-0x0000000074A23000-memory.dmp
memory/968-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/968-2-0x0000000074A20000-0x0000000074FD1000-memory.dmp
memory/1624-3-0x0000000013140000-0x00000000131F7000-memory.dmp
memory/968-8-0x0000000074A20000-0x0000000074FD1000-memory.dmp