Analysis Overview
SHA256
93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca
Threat Level: Known bad
The file 93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca was found to be: Known bad.
Malicious Activity Summary
CyberGate, Rebhip
Executes dropped EXE
UPX packed file
Modifies Installed Components in the registry
Adds policy Run key to start application
Checks BIOS information in registry
Drops desktop.ini file(s)
Adds Run key to start application
Drops file in System32 directory
Enumerates system info in registry
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SendNotifyMessage
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-21 07:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-21 07:09
Reported
2022-10-21 16:21
Platform
win7-20220901-en
Max time kernel
150s
Max time network
50s
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\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cftmon = "C:\\Windows\\system32\\Microsoft\\Chromo.exe" | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\cftmon = "C:\\Windows\\system32\\Microsoft\\Chromo.exe" | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
Modifies Installed Components in the registry
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{0OCM6W3F-I6G4-GDY0-A81E-G6KNSP475NBL} | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{0OCM6W3F-I6G4-GDY0-A81E-G6KNSP475NBL}\StubPath = "C:\\Windows\\system32\\Microsoft\\Chromo.exe Restart" | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{0OCM6W3F-I6G4-GDY0-A81E-G6KNSP475NBL} | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{0OCM6W3F-I6G4-GDY0-A81E-G6KNSP475NBL}\StubPath = "C:\\Windows\\system32\\Microsoft\\Chromo.exe" | C:\Windows\SysWOW64\explorer.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 |
| N/A | N/A | N/A | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\Windows\\system32\\Microsoft\\Chromo.exe" | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Reader = "C:\\Windows\\system32\\Microsoft\\Chromo.exe" | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini | C:\Windows\SysWOW64\explorer.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Microsoft\Chromo.exe | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\Chromo.exe | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\Chromo.exe | C:\Windows\SysWOW64\explorer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Microsoft\ | C:\Windows\SysWOW64\explorer.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Microsoft\Chromo.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe
"C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe"
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\Microsoft\Chromo.exe
"C:\Windows\system32\Microsoft\Chromo.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 142.251.39.100:443 | tcp | |
| NL | 216.58.208.110:443 | tcp | |
| NL | 142.251.36.45:443 | tcp | |
| NL | 216.58.208.99:443 | tcp | |
| NL | 172.217.168.238:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| NL | 142.250.179.195:443 | tcp | |
| NL | 142.250.179.195:443 | tcp | |
| US | 8.8.4.4:443 | tcp | |
| US | 8.8.8.8:53 | copiador.no-ip.org | udp |
Files
memory/648-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp
memory/648-55-0x00000000002C0000-0x00000000002D1000-memory.dmp
memory/648-56-0x0000000000400000-0x0000000001400000-memory.dmp
memory/648-57-0x0000000000400000-0x0000000001400000-memory.dmp
memory/648-58-0x00000000002C0000-0x00000000002D1000-memory.dmp
memory/648-59-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1360-60-0x000000003F600000-0x000000003F660000-memory.dmp
memory/268-62-0x0000000000000000-mapping.dmp
memory/268-64-0x0000000074BA1000-0x0000000074BA3000-memory.dmp
memory/268-67-0x000000003F6E0000-0x000000003F740000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
| MD5 | 5159f1d162f51b0e1d2d1073a293fcfb |
| SHA1 | 959e4a5aba56f7a5a29b05ccee711a16c7ba48a4 |
| SHA256 | 66a519449f57076b7fa2604697fa20ff0dfab7b39149596ae2bac4bcb3db6095 |
| SHA512 | 5fdf5f2df15d12ca918c3f07dca623a927e95241383b721068fc5716011af4b99e7a63686aca6d944c659b8a52c346749daf7e709769760e6a3d59f7c3b0714b |
C:\Windows\SysWOW64\Microsoft\Chromo.exe
| MD5 | 7271f686efdad2e30380ecabc2d73e10 |
| SHA1 | 3278009ca3fa9dcfbe5310424ebfbe9ad5b828ef |
| SHA256 | 93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca |
| SHA512 | 45d51cf1c43a0fcc124998ed4ebc0d27a4c39defd1d0cbcedd32c71eb98b3a20f8c590086f29a77ed0a3075ab9b3cf2d3edb81bd9699462950a1c4932ee043a4 |
memory/268-70-0x000000003F6E0000-0x000000003F740000-memory.dmp
memory/1028-71-0x0000000000000000-mapping.dmp
memory/1028-78-0x000000003FCC0000-0x000000003FD20000-memory.dmp
memory/648-79-0x0000000000400000-0x0000000001400000-memory.dmp
memory/648-80-0x00000000002C0000-0x00000000002D1000-memory.dmp
memory/1028-81-0x000000003FCC0000-0x000000003FD20000-memory.dmp
memory/1096-82-0x0000000000000000-mapping.dmp
C:\Windows\SysWOW64\Microsoft\Chromo.exe
| MD5 | 7271f686efdad2e30380ecabc2d73e10 |
| SHA1 | 3278009ca3fa9dcfbe5310424ebfbe9ad5b828ef |
| SHA256 | 93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca |
| SHA512 | 45d51cf1c43a0fcc124998ed4ebc0d27a4c39defd1d0cbcedd32c71eb98b3a20f8c590086f29a77ed0a3075ab9b3cf2d3edb81bd9699462950a1c4932ee043a4 |
memory/648-85-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1096-88-0x00000000002C0000-0x00000000002D1000-memory.dmp
memory/1096-87-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1096-89-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1096-90-0x0000000000400000-0x0000000001400000-memory.dmp
memory/1028-91-0x000000003FCC0000-0x000000003FD20000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-21 07:09
Reported
2022-10-21 16:21
Platform
win10v2004-20220901-en
Max time kernel
6s
Max time network
10s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
Checks processor information in registry
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe
"C:\Users\Admin\AppData\Local\Temp\93d8b1e858682a3c8101bd8e6d4376da314fab05b0fe076028ebb30eb2905bca.exe"
Network
Files
memory/2640-132-0x000000003F9C0000-0x000000003F9D1000-memory.dmp
memory/2640-133-0x0000000000400000-0x0000000001400000-memory.dmp