Analysis Overview
SHA256
38ecd893e32b6fcfff524f8ab2dc952ef1d7ecf9124babade5321aa29c15ab37
Threat Level: Known bad
The file f13e447b8cb18af6955efa0954a34c7e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 14:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 14:07
Reported
2024-04-15 14:10
Platform
win7-20240221-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Darkcomet
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1932 set thread context of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\f13e447b8cb18af6955efa0954a34c7e_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f13e447b8cb18af6955efa0954a34c7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f13e447b8cb18af6955efa0954a34c7e_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/1932-0-0x0000000074440000-0x00000000749EB000-memory.dmp
memory/1932-1-0x0000000074440000-0x00000000749EB000-memory.dmp
memory/1932-2-0x0000000000D00000-0x0000000000D40000-memory.dmp
memory/2732-3-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-4-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-5-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-6-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-7-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-8-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-9-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-10-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2732-13-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2732-14-0x0000000000400000-0x0000000000400000-memory.dmp
memory/1932-15-0x0000000074440000-0x00000000749EB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 14:07
Reported
2024-04-15 14:10
Platform
win10v2004-20240412-en
Max time kernel
135s
Max time network
140s
Command Line
Signatures
Darkcomet
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2756 set thread context of 4984 | N/A | C:\Users\Admin\AppData\Local\Temp\f13e447b8cb18af6955efa0954a34c7e_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\f13e447b8cb18af6955efa0954a34c7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f13e447b8cb18af6955efa0954a34c7e_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 408 -p 4984 -ip 4984
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 12
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.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 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |
Files
memory/2756-0-0x0000000074E80000-0x0000000075431000-memory.dmp
memory/2756-1-0x00000000014D0000-0x00000000014E0000-memory.dmp
memory/2756-2-0x0000000074E80000-0x0000000075431000-memory.dmp
memory/4984-3-0x0000000013140000-0x00000000131F6000-memory.dmp
memory/2756-5-0x0000000074E80000-0x0000000075431000-memory.dmp
memory/4984-6-0x0000000000400000-0x0000000000400000-memory.dmp