Analysis Overview
SHA256
6da662c998ef51d63aba6cccdf510e7e584b4d8505e2fa0dbe19a70632dba4c6
Threat Level: Known bad
The file 7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-31 19:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-31 19:45
Reported
2024-07-31 19:47
Platform
win10-20240611-en
Max time kernel
37s
Max time network
38s
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:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\MSDCSC\lsass.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\MSDCSC\lsass.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions\Cached | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
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\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheLimit = "1" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheLimit = "1" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CachePrefix | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Extensible Cache | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:" | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mspaint.exe | N/A |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
| N/A | N/A | C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4764 wrote to memory of 208 | N/A | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | C:\MSDCSC\lsass.exe |
| PID 4764 wrote to memory of 208 | N/A | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | C:\MSDCSC\lsass.exe |
| PID 4764 wrote to memory of 208 | N/A | C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe | C:\MSDCSC\lsass.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7d9512b4df2dd9a08b99bb5d4f644a1b_JaffaCakes118.exe"
C:\MSDCSC\lsass.exe
"C:\MSDCSC\lsass.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Downloads\CheckpointSuspend.png" /ForceBootstrapPaint3D
C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe
"C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe" -ServerName:Microsoft.MSPaint.AppX437q68k2qc2asvaagas2prv9tjej6ja9.mca
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
Files
memory/4764-0-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-4-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-5-0x00000000004CF000-0x00000000004D0000-memory.dmp
memory/4764-3-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-2-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-1-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-6-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-7-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-8-0x0000000000400000-0x00000000004D1000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 7d9512b4df2dd9a08b99bb5d4f644a1b |
| SHA1 | 1972b0cdc54764b5df7fb94176bca0f8d812fe2c |
| SHA256 | 6da662c998ef51d63aba6cccdf510e7e584b4d8505e2fa0dbe19a70632dba4c6 |
| SHA512 | 4d71364bab0946cc892a36a0bb85f2f68f17d7c958e8427e78666063674fdfd5dd81c5b01be90f9a1a48c9f476e80ad219b1e9a37aa696dac63877dced66d815 |
memory/208-64-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-65-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-68-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-67-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-66-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-69-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-71-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-70-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/4764-72-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-73-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-74-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-81-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-82-0x0000000000400000-0x00000000004D1000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
| MD5 | 74e6792bd2d877b4f9c977302290f8c6 |
| SHA1 | a18e2de661e53ff4cc2ceaed142a3ce60c658c9c |
| SHA256 | 96a36d99486ece284c9c227b853fa656e1f15a0c4a1463fde1af90aaf33893f6 |
| SHA512 | 5e8a60a464d11a10d30c76185c7f9eda3ac7e12cc6b562736c979e0765578a8e15a8d0100176f49e2b6664767f428ab5c402e6406ccaea855614fba322e2877e |
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\cloudCommunitySettings.json
| MD5 | 404a3ec24e3ebf45be65e77f75990825 |
| SHA1 | 1e05647cf0a74cedfdeabfa3e8ee33b919780a61 |
| SHA256 | cc45905af3aaa62601a69c748a06a2fa48eca3b28d44d8ec18764a7e8e4c3da2 |
| SHA512 | a55382b72267375821b0a229d3529ed54cef0f295f550d1e95661bafccec606aa1cd72e059d37d78e7d2927ae72e2919941251d233152f5eeb32ffdfc96023e5 |
memory/208-152-0x0000000000400000-0x00000000004D1000-memory.dmp
memory/208-163-0x0000000000400000-0x00000000004D1000-memory.dmp