Analysis Overview
SHA256
72c9070be456333066ed0e73a025c86b0d6ddbca01d536654dd248b8e567e66e
Threat Level: Known bad
The file 0a5581b73f12f54b73aae0ce0dafd6ec_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
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-24 19:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 19:10
Reported
2024-06-24 19:13
Platform
win7-20240419-en
Max time kernel
119s
Max time network
120s
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-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Micro = "C:\\Users\\Admin\\AppData\\Local\\Temp\\soft.exe" | C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2180 set thread context of 2388 | N/A | C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2388 set thread context of 2940 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
Files
memory/2180-0-0x0000000074821000-0x0000000074822000-memory.dmp
memory/2180-1-0x0000000074820000-0x0000000074DCB000-memory.dmp
memory/2180-2-0x0000000074820000-0x0000000074DCB000-memory.dmp
memory/2388-3-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-5-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-22-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-21-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2388-17-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-15-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-13-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-9-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-7-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-11-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-24-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2388-26-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2180-25-0x0000000074820000-0x0000000074DCB000-memory.dmp
memory/2388-31-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2940-28-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2388-27-0x0000000000400000-0x00000000004B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 19:10
Reported
2024-06-24 19:13
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
151s
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Micro = "C:\\Users\\Admin\\AppData\\Local\\Temp\\soft.exe" | C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2384 set thread context of 4040 | N/A | C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4040 set thread context of 1268 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a5581b73f12f54b73aae0ce0dafd6ec_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
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 --mojo-platform-channel-handle=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
memory/2384-0-0x00000000746A2000-0x00000000746A3000-memory.dmp
memory/2384-1-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/2384-2-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/4040-3-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4040-4-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4040-7-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2384-8-0x00000000746A0000-0x0000000074C51000-memory.dmp
memory/4040-9-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4040-10-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/1268-11-0x0000000000400000-0x000000000051F000-memory.dmp
memory/4040-12-0x0000000000400000-0x00000000004B0000-memory.dmp