Analysis Overview
SHA256
77d996c69a16c1be2b9ce2c80f10b89c3177dcdedde4f807898049c9af1fe372
Threat Level: Known bad
The file 1826a3c3cbaf8804560951543a1cf444_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 00:39
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 00:39
Reported
2024-06-28 00:42
Platform
win7-20240220-en
Max time kernel
149s
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_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\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2080 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2080 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2080 wrote to memory of 2856 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
Files
memory/2080-0-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 1826a3c3cbaf8804560951543a1cf444 |
| SHA1 | 54d252204e522b347e7ae12fde66ee6049c3d18a |
| SHA256 | 77d996c69a16c1be2b9ce2c80f10b89c3177dcdedde4f807898049c9af1fe372 |
| SHA512 | c79e510da682cee76a4d3f4509da73314a5752dc34b724de7da5aeb94208ccd3e29940f0989d34eddb28bcc4bfad771d9fca15f94eb496e736314faeae9b5491 |
memory/2080-11-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-12-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2856-13-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-14-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-15-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-16-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-17-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-18-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-19-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-20-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-21-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-22-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-23-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-24-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-25-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/2856-26-0x0000000000400000-0x00000000004AF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 00:39
Reported
2024-06-28 00:42
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_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\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\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\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4080 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 4080 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 4080 wrote to memory of 4824 | N/A | C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1826a3c3cbaf8804560951543a1cf444_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\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 --field-trial-handle=4132,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=3492 /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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.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 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | 17.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
| US | 8.8.8.8:53 | jarcher38.no-ip.org | udp |
Files
memory/4080-0-0x0000000002800000-0x0000000002801000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 1826a3c3cbaf8804560951543a1cf444 |
| SHA1 | 54d252204e522b347e7ae12fde66ee6049c3d18a |
| SHA256 | 77d996c69a16c1be2b9ce2c80f10b89c3177dcdedde4f807898049c9af1fe372 |
| SHA512 | c79e510da682cee76a4d3f4509da73314a5752dc34b724de7da5aeb94208ccd3e29940f0989d34eddb28bcc4bfad771d9fca15f94eb496e736314faeae9b5491 |
memory/4080-13-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-14-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/4824-15-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-16-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-17-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-18-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-19-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-20-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-21-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-22-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-23-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-24-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-25-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-26-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-27-0x0000000000400000-0x00000000004AF000-memory.dmp
memory/4824-28-0x0000000000400000-0x00000000004AF000-memory.dmp