Analysis Overview
SHA256
b989fd3f8c98dd5852a843e15bda9b43486094bda70746b5d527f24a3e3a0233
Threat Level: Known bad
The file 008dcabe50b5597d46ae50efe081efcd_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Loads dropped DLL
Uses the VBS compiler for execution
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-19 21:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 21:21
Reported
2024-06-19 21:23
Platform
win7-20240508-en
Max time kernel
150s
Max time network
118s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vbc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2036 set thread context of 1748 | N/A | C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\vbc.exe |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\vbc.exe
C:\Users\Admin\AppData\Local\Temp\vbc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
Files
memory/2036-0-0x00000000749C1000-0x00000000749C2000-memory.dmp
memory/2036-1-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/2036-2-0x00000000749C0000-0x0000000074F6B000-memory.dmp
\Users\Admin\AppData\Local\Temp\vbc.exe
| MD5 | 34aa912defa18c2c129f1e09d75c1d7e |
| SHA1 | 9c3046324657505a30ecd9b1fdb46c05bde7d470 |
| SHA256 | 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386 |
| SHA512 | d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98 |
memory/1748-25-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-27-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1748-21-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-17-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-19-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-28-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-15-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-11-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-30-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-31-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2036-29-0x00000000749C0000-0x0000000074F6B000-memory.dmp
memory/1748-14-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-10-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-9-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-34-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-33-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-32-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-35-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-36-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-37-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-38-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-39-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-40-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-41-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-42-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-43-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-44-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-45-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-46-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-47-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-48-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/1748-49-0x0000000000400000-0x00000000004AF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-19 21:21
Reported
2024-06-19 21:23
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vbc.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5020 set thread context of 3504 | N/A | C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\vbc.exe |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\008dcabe50b5597d46ae50efe081efcd_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\vbc.exe
C:\Users\Admin\AppData\Local\Temp\vbc.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 --field-trial-handle=3752,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=4416 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| NL | 52.111.243.30:443 | tcp | |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
| US | 8.8.8.8:53 | jimbobt123.no-ip.org | udp |
Files
memory/5020-0-0x00000000747F2000-0x00000000747F3000-memory.dmp
memory/5020-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/5020-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\vbc.exe
| MD5 | d881de17aa8f2e2c08cbb7b265f928f9 |
| SHA1 | 08936aebc87decf0af6e8eada191062b5e65ac2a |
| SHA256 | b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0 |
| SHA512 | 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34 |
memory/3504-11-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-7-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-14-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-13-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-17-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-16-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-15-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/5020-18-0x00000000747F0000-0x0000000074DA1000-memory.dmp
memory/3504-19-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/3504-20-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-21-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-22-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-23-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-24-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-25-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-26-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-27-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-28-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-29-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-30-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-31-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-32-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/3504-33-0x0000000000400000-0x00000000004AF000-memory.dmp