Analysis Overview
SHA256
83075480006df97f7a9c7ca0dfb8cba79512b1c79e85028fb3ce587688a81667
Threat Level: Known bad
The file 1e902c033e573c6473ba566b31ec3248_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Deletes itself
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-02 08:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-02 08:02
Reported
2024-07-02 08:04
Platform
win7-20240220-en
Max time kernel
148s
Max time network
151s
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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\notepad.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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2712 set thread context of 2576 | 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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 | medoo.no-ip.org | udp |
Files
memory/2496-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2496-1-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2608-4-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2608-20-0x0000000000220000-0x0000000000221000-memory.dmp
\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 1e902c033e573c6473ba566b31ec3248 |
| SHA1 | 3e4f67d3c8913a623285f9ee1578b9cb99e3dea1 |
| SHA256 | 83075480006df97f7a9c7ca0dfb8cba79512b1c79e85028fb3ce587688a81667 |
| SHA512 | 4d077616196f8e2934b7eb7f5f9887eba0e7c6f3b634e9ee916110fec196223f3740238ead2991836d9698496fecb56a9a5e5a9b80d8a61ee10dd59aeb5fbca9 |
memory/2712-31-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2496-29-0x0000000005540000-0x00000000055F7000-memory.dmp
memory/2496-28-0x0000000005540000-0x00000000055F7000-memory.dmp
memory/2712-35-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2496-36-0x0000000000400000-0x00000000004B7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-02 08:02
Reported
2024-07-02 08:04
Platform
win10v2004-20240611-en
Max time kernel
150s
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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\notepad.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-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2384 set thread context of 2600 | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe | N/A |
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\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 --field-trial-handle=4160,i,11069752405888604640,8928124405695604965,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.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 | 57.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.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 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
| US | 8.8.8.8:53 | medoo.no-ip.org | udp |
Files
memory/4128-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4128-1-0x0000000002430000-0x0000000002431000-memory.dmp
memory/4404-4-0x00000000008E0000-0x00000000008E1000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 1e902c033e573c6473ba566b31ec3248 |
| SHA1 | 3e4f67d3c8913a623285f9ee1578b9cb99e3dea1 |
| SHA256 | 83075480006df97f7a9c7ca0dfb8cba79512b1c79e85028fb3ce587688a81667 |
| SHA512 | 4d077616196f8e2934b7eb7f5f9887eba0e7c6f3b634e9ee916110fec196223f3740238ead2991836d9698496fecb56a9a5e5a9b80d8a61ee10dd59aeb5fbca9 |
memory/2384-63-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2384-64-0x0000000000600000-0x0000000000601000-memory.dmp
memory/2384-67-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4128-69-0x0000000000400000-0x00000000004B7000-memory.dmp