Analysis Overview
SHA256
273241597816c2dc3059a604fb92b0fa9f3ad5cd51f40409a774c11478d91d25
Threat Level: Known bad
The file d909deddb7415e62af178501e474ac53 was found to be: Known bad.
Malicious Activity Summary
CyberGate, Rebhip
Adds policy Run key to start application
Modifies Installed Components in the registry
Executes dropped EXE
Loads dropped DLL
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-20 14:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-20 14:30
Reported
2024-03-20 14:33
Platform
win7-20240221-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
CyberGate, Rebhip
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}\StubPath = "C:\\Windows\\install\\server.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500} | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}\StubPath = "C:\\Windows\\install\\server.exe Restart" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500} | C:\Windows\SysWOW64\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2188 set thread context of 2972 | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe |
| PID 1648 set thread context of 2256 | N/A | C:\Windows\install\server.exe | C:\Windows\install\server.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\install\server.exe | C:\Windows\install\server.exe | N/A |
| File created | C:\Windows\install\server.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| File opened for modification | C:\Windows\install\server.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
| N/A | N/A | C:\Windows\install\server.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
"C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe"
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
"C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe"
C:\Windows\install\server.exe
"C:\Windows\install\server.exe"
C:\Windows\install\server.exe
C:\Windows\install\server.exe
C:\Windows\install\server.exe
"C:\Windows\install\server.exe"
Network
Files
memory/2972-2-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-4-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-6-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-8-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-10-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-11-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-12-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2972-15-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-16-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-17-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2972-18-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1196-22-0x0000000002930000-0x0000000002931000-memory.dmp
memory/1304-268-0x00000000000E0000-0x00000000000E1000-memory.dmp
memory/1304-303-0x00000000001B0000-0x00000000001B1000-memory.dmp
memory/1304-543-0x0000000024070000-0x00000000240CF000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
| MD5 | 6115c7812f050f4ef1d6e9ecdad52b24 |
| SHA1 | 04ecbdc31e48808d3fd313a4b9cb3ac80f48e773 |
| SHA256 | 880c30b19c5b05f5fadcee796e2ccd5798bd8c3e7794a86fb88b053b87f3c8e8 |
| SHA512 | 44299d6d6d7dbe00650135ee20b2fa022f8072125b10db92c0bc8689768352969227e72084229d1f775ebe3fb8c1e4608b7f1d9c2cc5ee230fdd913640d718c6 |
C:\Windows\install\server.exe
| MD5 | d909deddb7415e62af178501e474ac53 |
| SHA1 | 91755fa51ca8ccde3fdbc5919f29181f0fb4e112 |
| SHA256 | 273241597816c2dc3059a604fb92b0fa9f3ad5cd51f40409a774c11478d91d25 |
| SHA512 | 88c1b070869a19391736840e047cf04782e6cd68fd729bd1247aa039c2b7519dc5fe42a98a523206d0fb2fb80822fc760011eeebfd82ad92b46701f70309b5c8 |
memory/2972-564-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2956-845-0x0000000024130000-0x000000002418F000-memory.dmp
memory/2256-873-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Users\Admin\AppData\Roaming\logs.dat
| MD5 | bf3dba41023802cf6d3f8c5fd683a0c7 |
| SHA1 | 466530987a347b68ef28faad238d7b50db8656a5 |
| SHA256 | 4a8e75390856bf822f492f7f605ca0c21f1905172f6d3ef610162533c140507d |
| SHA512 | fec60f447dcc90753d693014135e24814f6e8294f6c0f436bc59d892b24e91552108dba6cf5a6fa7c0421f6d290d1bafee9f9f2d95ea8c4c05c2ad0f7c1bb314 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-20 14:30
Reported
2024-03-20 14:33
Platform
win10v2004-20240226-en
Max time kernel
6s
Max time network
60s
Command Line
Signatures
CyberGate, Rebhip
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500} | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{CG08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}\StubPath = "C:\\Windows\\install\\server.exe Restart" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\install\\server.exe" | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4324 set thread context of 3592 | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\install\server.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| File opened for modification | C:\Windows\install\server.exe | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
"C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe"
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe
"C:\Users\Admin\AppData\Local\Temp\d909deddb7415e62af178501e474ac53.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
Files
memory/3592-2-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3592-3-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3592-4-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3592-5-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3592-9-0x0000000024010000-0x000000002406F000-memory.dmp
memory/756-13-0x0000000000720000-0x0000000000721000-memory.dmp
memory/756-14-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/3592-69-0x0000000024070000-0x00000000240CF000-memory.dmp
memory/756-74-0x0000000024070000-0x00000000240CF000-memory.dmp
C:\Windows\install\server.exe
| MD5 | d909deddb7415e62af178501e474ac53 |
| SHA1 | 91755fa51ca8ccde3fdbc5919f29181f0fb4e112 |
| SHA256 | 273241597816c2dc3059a604fb92b0fa9f3ad5cd51f40409a774c11478d91d25 |
| SHA512 | 88c1b070869a19391736840e047cf04782e6cd68fd729bd1247aa039c2b7519dc5fe42a98a523206d0fb2fb80822fc760011eeebfd82ad92b46701f70309b5c8 |
C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
| MD5 | 6115c7812f050f4ef1d6e9ecdad52b24 |
| SHA1 | 04ecbdc31e48808d3fd313a4b9cb3ac80f48e773 |
| SHA256 | 880c30b19c5b05f5fadcee796e2ccd5798bd8c3e7794a86fb88b053b87f3c8e8 |
| SHA512 | 44299d6d6d7dbe00650135ee20b2fa022f8072125b10db92c0bc8689768352969227e72084229d1f775ebe3fb8c1e4608b7f1d9c2cc5ee230fdd913640d718c6 |