Analysis Overview
SHA256
560ff7b201b8c6e5bb1f6fde654cc3e3c34d05f4741c303ef083553867223ee7
Threat Level: Known bad
The file 004b5a58c2f01040de19f33f709c7b59_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Darkcomet family
Modifies WinLogon for persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-21 23:53
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-21 23:53
Reported
2024-06-21 23:56
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
146s
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\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3848 set thread context of 3812 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.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 --field-trial-handle=4256,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3924 /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 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
Files
memory/880-0-0x0000000002140000-0x0000000002141000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 004b5a58c2f01040de19f33f709c7b59 |
| SHA1 | d2756258c1fc799a3bdecb86565eaa161256780e |
| SHA256 | 560ff7b201b8c6e5bb1f6fde654cc3e3c34d05f4741c303ef083553867223ee7 |
| SHA512 | ce49dcab2b924d946069beb12f289e395dea363bf3507a39fb569d0ed4eaf8f3d1993e94d5c915d703070e83d2cd27154d337fb14f6e0b46c7a0814f94857871 |
memory/880-12-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3848-14-0x0000000002180000-0x0000000002181000-memory.dmp
memory/3812-15-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3848-16-0x0000000000400000-0x00000000004B6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-21 23:53
Reported
2024-06-21 23:56
Platform
win7-20231129-en
Max time kernel
150s
Max time network
118s
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\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2948 set thread context of 2156 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\004b5a58c2f01040de19f33f709c7b59_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dns0ip.zapto.org | udp |
Files
memory/2896-0-0x0000000000270000-0x0000000000271000-memory.dmp
\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 004b5a58c2f01040de19f33f709c7b59 |
| SHA1 | d2756258c1fc799a3bdecb86565eaa161256780e |
| SHA256 | 560ff7b201b8c6e5bb1f6fde654cc3e3c34d05f4741c303ef083553867223ee7 |
| SHA512 | ce49dcab2b924d946069beb12f289e395dea363bf3507a39fb569d0ed4eaf8f3d1993e94d5c915d703070e83d2cd27154d337fb14f6e0b46c7a0814f94857871 |
memory/2896-11-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/2948-13-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/2948-15-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/2156-14-0x0000000000400000-0x00000000004B6000-memory.dmp