Analysis Overview
SHA256
1974c76dbaedd6e13b0e151e07f8f74782038de4d53262d8c1f3ab4e23c7543f
Threat Level: Known bad
The file 091098436a66412a9324178f7fd2d14e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-24 14:29
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 14:29
Reported
2024-06-24 14:32
Platform
win7-20240508-en
Max time kernel
150s
Max time network
119s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\msdcscupdatesec.exe" | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
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\MicroUpdate = "C:\\msdcscupdatesec.exe" | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe"
C:\msdcscupdatesec.exe
"C:\msdcscupdatesec.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
Files
memory/2180-0-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2180-7-0x0000000000400000-0x00000000004C8000-memory.dmp
C:\msdcscupdatesec.exe
| MD5 | 091098436a66412a9324178f7fd2d14e |
| SHA1 | 230d0f8fc2091b96f53128c1abb383415bcb8ae6 |
| SHA256 | 1974c76dbaedd6e13b0e151e07f8f74782038de4d53262d8c1f3ab4e23c7543f |
| SHA512 | 6a0f589a2b1959f4d997357571be44c43a6c6a815b3b6355836436a44635e1f929dc40d6f88039e27c2059b5ea90feb0ef2264a2042e74779c5f1e19ab9a660e |
memory/2596-9-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-10-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-11-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-12-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-13-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-14-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-15-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-16-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-17-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-18-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-19-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-20-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-21-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2596-22-0x0000000000400000-0x00000000004C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 14:29
Reported
2024-06-24 14:32
Platform
win10v2004-20240226-en
Max time kernel
67s
Max time network
70s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\msdcscupdatesec.exe" | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
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\MicroUpdate = "C:\\msdcscupdatesec.exe" | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
| N/A | N/A | C:\msdcscupdatesec.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
| PID 332 wrote to memory of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe | C:\msdcscupdatesec.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\091098436a66412a9324178f7fd2d14e_JaffaCakes118.exe"
C:\msdcscupdatesec.exe
"C:\msdcscupdatesec.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=1340 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
| US | 8.8.8.8:53 | ownedandhacker.no-ip.org | udp |
Files
memory/332-0-0x00000000007C0000-0x00000000007C1000-memory.dmp
C:\msdcscupdatesec.exe
| MD5 | 091098436a66412a9324178f7fd2d14e |
| SHA1 | 230d0f8fc2091b96f53128c1abb383415bcb8ae6 |
| SHA256 | 1974c76dbaedd6e13b0e151e07f8f74782038de4d53262d8c1f3ab4e23c7543f |
| SHA512 | 6a0f589a2b1959f4d997357571be44c43a6c6a815b3b6355836436a44635e1f929dc40d6f88039e27c2059b5ea90feb0ef2264a2042e74779c5f1e19ab9a660e |
memory/332-51-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-62-0x0000000002170000-0x0000000002171000-memory.dmp
memory/2088-64-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-65-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-66-0x0000000002170000-0x0000000002171000-memory.dmp
memory/2088-67-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-68-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/332-0-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/332-51-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-62-0x0000000002170000-0x0000000002171000-memory.dmp
memory/2088-64-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-65-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-66-0x0000000002170000-0x0000000002171000-memory.dmp
memory/2088-67-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/2088-68-0x0000000000400000-0x00000000004C8000-memory.dmp