Analysis Overview
SHA256
d4813b069564b17e63211d76ebb3e005e39d98d64de5c62d5ec77cfc370ee557
Threat Level: Known bad
The file 05a15b105aa171e188ce62bca5a710d4_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Modifies firewall policy service
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-23 08:02
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-23 08:02
Reported
2024-06-23 08:04
Platform
win7-20240221-en
Max time kernel
148s
Max time network
149s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
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\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\START.EXE
"C:\Users\Admin\AppData\Local\Temp\START.EXE"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
Files
\Users\Admin\AppData\Local\Temp\START.EXE
| MD5 | e739ccffd7820ea8bc6187cb04f09259 |
| SHA1 | be971e9cc9937fd4a35f4effcfccee7b6b94ce51 |
| SHA256 | f5f51a454cc6c5f587fcf00be91ef85c31e7ea8241aa2cbb9a3894618069ea61 |
| SHA512 | 09413044e3be118e74710f987cecc0d07ded24007597175722a73e725b9601f83210564f6290cbb3a7383ad773de178e74ed4f8ca2130179ae5e02a07ffe87f5 |
memory/2668-9-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2668-22-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-23-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2580-24-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-25-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-26-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2580-27-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-28-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-29-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-30-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-31-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-32-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-33-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-34-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-35-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-36-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-37-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2580-38-0x0000000000400000-0x00000000004BD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-23 08:02
Reported
2024-06-23 08:04
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
159s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.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\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\START.EXE | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2104 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\START.EXE |
| PID 2104 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\START.EXE |
| PID 2104 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\START.EXE |
| PID 2156 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe |
| PID 2156 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe |
| PID 2156 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\START.EXE | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05a15b105aa171e188ce62bca5a710d4_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\START.EXE
"C:\Users\Admin\AppData\Local\Temp\START.EXE"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.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=3988 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 164.189.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.180.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.180.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
| US | 8.8.8.8:53 | w-a.no-ip.biz | udp |
Files
C:\Users\Admin\AppData\Local\Temp\START.EXE
| MD5 | e739ccffd7820ea8bc6187cb04f09259 |
| SHA1 | be971e9cc9937fd4a35f4effcfccee7b6b94ce51 |
| SHA256 | f5f51a454cc6c5f587fcf00be91ef85c31e7ea8241aa2cbb9a3894618069ea61 |
| SHA512 | 09413044e3be118e74710f987cecc0d07ded24007597175722a73e725b9601f83210564f6290cbb3a7383ad773de178e74ed4f8ca2130179ae5e02a07ffe87f5 |
memory/2156-11-0x0000000000800000-0x0000000000801000-memory.dmp
memory/2156-25-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-26-0x0000000002180000-0x0000000002181000-memory.dmp
memory/5112-27-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-28-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-29-0x0000000002180000-0x0000000002181000-memory.dmp
memory/5112-30-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-31-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-32-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-33-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-34-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-35-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-36-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-37-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-38-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5112-39-0x0000000000400000-0x00000000004BD000-memory.dmp