Analysis Overview
SHA256
9aa3ce52260ba0914639a1a63a8c2447563578e8167c50f8a541f542e0f615e8
Threat Level: Known bad
The file 8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
UPX packed file
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-01 17:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-01 17:31
Reported
2024-08-01 17:33
Platform
win7-20240704-en
Max time kernel
150s
Max time network
122s
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\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| 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\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1864 set thread context of 768 | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe |
| PID 768 set thread context of 2616 | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe |
| PID 2740 set thread context of 3048 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 3048 set thread context of 1652 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
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\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
msdcsc.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 | mohamedmmk.zapto.org | udp |
Files
memory/1864-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp
memory/1864-1-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/1864-2-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/768-4-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-3-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-13-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-14-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-12-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-11-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-9-0x0000000000400000-0x0000000000728000-memory.dmp
memory/768-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/768-6-0x0000000000400000-0x0000000000728000-memory.dmp
memory/1864-17-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2616-18-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2616-19-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-21-0x0000000000400000-0x0000000000728000-memory.dmp
memory/2616-20-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2616-22-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2616-23-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 8164c48d6dd6cc20309bdc5c8135561b |
| SHA1 | 39bd3d2ac36b7461f541c4b861d067c48024742c |
| SHA256 | 9aa3ce52260ba0914639a1a63a8c2447563578e8167c50f8a541f542e0f615e8 |
| SHA512 | ff28fafcded7e56a99a8e8c7a1e8976c5890cc271ad98bf8296e8366dee05ed4e6acdc83125e5c5bfa2984d288bd9d0d9a59245a1f8ff5bbd109812a9a3d40e1 |
memory/2740-33-0x00000000743E1000-0x00000000743E2000-memory.dmp
memory/2740-34-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2740-38-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/3048-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2740-50-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2616-51-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1652-54-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1652-55-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1652-56-0x0000000000400000-0x00000000004CA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-01 17:31
Reported
2024-08-01 17:33
Platform
win10v2004-20240730-en
Max time kernel
150s
Max time network
150s
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\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4816 set thread context of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe |
| PID 2816 set thread context of 3940 | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe |
| PID 3448 set thread context of 4412 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 4412 set thread context of 2296 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
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\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8164c48d6dd6cc20309bdc5c8135561b_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
msdcsc.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 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | 233.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | mohamedmmk.zapto.org | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4816-0-0x0000000075472000-0x0000000075473000-memory.dmp
memory/4816-1-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/4816-2-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/2816-4-0x0000000000400000-0x0000000000728000-memory.dmp
memory/2816-8-0x0000000000400000-0x0000000000728000-memory.dmp
memory/2816-7-0x0000000000400000-0x0000000000728000-memory.dmp
memory/2816-6-0x0000000000400000-0x0000000000728000-memory.dmp
memory/4816-10-0x0000000075470000-0x0000000075A21000-memory.dmp
memory/3940-12-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3940-13-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3940-14-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3940-15-0x0000000075440000-0x0000000075890000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 8164c48d6dd6cc20309bdc5c8135561b |
| SHA1 | 39bd3d2ac36b7461f541c4b861d067c48024742c |
| SHA256 | 9aa3ce52260ba0914639a1a63a8c2447563578e8167c50f8a541f542e0f615e8 |
| SHA512 | ff28fafcded7e56a99a8e8c7a1e8976c5890cc271ad98bf8296e8366dee05ed4e6acdc83125e5c5bfa2984d288bd9d0d9a59245a1f8ff5bbd109812a9a3d40e1 |
memory/3448-27-0x0000000073A20000-0x0000000073FD1000-memory.dmp
memory/3448-26-0x0000000073A22000-0x0000000073A23000-memory.dmp
memory/4412-32-0x0000000000400000-0x0000000000728000-memory.dmp
memory/4412-31-0x0000000000400000-0x0000000000728000-memory.dmp
memory/4412-33-0x0000000000400000-0x0000000000728000-memory.dmp
memory/3448-37-0x0000000073A20000-0x0000000073FD1000-memory.dmp
memory/3940-38-0x0000000075440000-0x0000000075890000-memory.dmp
memory/2296-41-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2296-42-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2296-43-0x0000000000400000-0x00000000004CA000-memory.dmp