Analysis Overview
SHA256
dd61cab570c1bf03346e2196513d8af18e778464dfe9d53df78d9c4e6da87349
Threat Level: Known bad
The file fc5234363831a8cb436a0d7145dce410_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Checks computer location settings
Uses the VBS compiler for execution
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-20 08:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-20 08:15
Reported
2024-04-20 08:17
Platform
win7-20240221-en
Max time kernel
149s
Max time network
150s
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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss.exe = "C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe" | C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1676 set thread context of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ren C:\Users\Admin\AppData\Roaming\csrss csrss.exe && exit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
Files
memory/1676-0-0x0000000074510000-0x0000000074ABB000-memory.dmp
memory/1676-1-0x0000000074510000-0x0000000074ABB000-memory.dmp
memory/1676-2-0x0000000002030000-0x0000000002070000-memory.dmp
C:\Users\Admin\AppData\Roaming\csrss
| MD5 | fc5234363831a8cb436a0d7145dce410 |
| SHA1 | ff53edc61ad734404713944b33f6080aa485c94d |
| SHA256 | dd61cab570c1bf03346e2196513d8af18e778464dfe9d53df78d9c4e6da87349 |
| SHA512 | bc92f6d4485286a9733c424fabc69a21c917125b6e101133d03d50e95a65d6819e45b197cdfa27066481ca8548bf61fc64d7372f31a2b59c5f9f4e9c4f426dab |
memory/2608-5-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-7-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-9-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-13-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-15-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-17-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-18-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2608-22-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-23-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1676-24-0x0000000074510000-0x0000000074ABB000-memory.dmp
memory/2608-25-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-26-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-27-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-29-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-28-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2608-30-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-31-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-32-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-33-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-34-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-35-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-36-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-37-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-38-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-39-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-40-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-41-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-42-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-43-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-44-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-45-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2608-46-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-20 08:15
Reported
2024-04-20 08:17
Platform
win10v2004-20240412-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Darkcomet
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss.exe = "C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe" | C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1672 set thread context of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc5234363831a8cb436a0d7145dce410_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ren C:\Users\Admin\AppData\Roaming\csrss csrss.exe && exit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.32.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 154.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
| US | 8.8.8.8:53 | 1ac.sytes.net | udp |
Files
memory/1672-0-0x0000000074670000-0x0000000074C21000-memory.dmp
memory/1672-1-0x0000000001740000-0x0000000001750000-memory.dmp
memory/1672-2-0x0000000074670000-0x0000000074C21000-memory.dmp
C:\Users\Admin\AppData\Roaming\csrss
| MD5 | fc5234363831a8cb436a0d7145dce410 |
| SHA1 | ff53edc61ad734404713944b33f6080aa485c94d |
| SHA256 | dd61cab570c1bf03346e2196513d8af18e778464dfe9d53df78d9c4e6da87349 |
| SHA512 | bc92f6d4485286a9733c424fabc69a21c917125b6e101133d03d50e95a65d6819e45b197cdfa27066481ca8548bf61fc64d7372f31a2b59c5f9f4e9c4f426dab |
memory/2648-5-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-6-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1672-9-0x0000000074670000-0x0000000074C21000-memory.dmp
memory/2648-8-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-10-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-13-0x00000000022D0000-0x00000000022D1000-memory.dmp
memory/2648-12-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-14-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-15-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-16-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-17-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-18-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-19-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-20-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-21-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-22-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-23-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-24-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-25-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-26-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-27-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2648-28-0x0000000000400000-0x00000000004B5000-memory.dmp