Analysis Overview
SHA256
ad0838439c7f741b80af14870d6335e02e2d76ac29d8d1fe7506f66562c26339
Threat Level: Known bad
The file 67ec6b9c6ecea354319ea57391b818f9 was found to be: Known bad.
Malicious Activity Summary
BitRAT
CustAttr .NET packer
UPX packed file
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 10:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 10:38
Reported
2024-01-06 10:18
Platform
win7-20231215-en
Max time kernel
93s
Max time network
158s
Command Line
Signatures
BitRAT
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\Googlechromeinit = "C:\\Users\\Admin\\AppData\\Local\\Googlechromeinite\\Googlechromeinit.exe" | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3040 set thread context of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jairoandresotalvarorend.linkpc.net | udp |
| SG | 139.99.66.103:9085 | jairoandresotalvarorend.linkpc.net | tcp |
| SG | 139.99.66.103:9085 | jairoandresotalvarorend.linkpc.net | tcp |
| SG | 139.99.66.103:9085 | jairoandresotalvarorend.linkpc.net | tcp |
Files
memory/3040-0-0x00000000012A0000-0x00000000014BC000-memory.dmp
memory/3040-1-0x0000000073E50000-0x000000007453E000-memory.dmp
memory/3040-2-0x0000000000700000-0x0000000000740000-memory.dmp
memory/3040-3-0x00000000002C0000-0x00000000002D2000-memory.dmp
memory/3040-4-0x0000000073E50000-0x000000007453E000-memory.dmp
memory/3040-5-0x0000000000700000-0x0000000000740000-memory.dmp
memory/3040-6-0x0000000008500000-0x00000000086C4000-memory.dmp
memory/3040-7-0x0000000009C80000-0x0000000009DFC000-memory.dmp
memory/2824-10-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-14-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-16-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-17-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/3040-19-0x0000000073E50000-0x000000007453E000-memory.dmp
memory/2824-18-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-15-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2824-11-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-8-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-20-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-21-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-24-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-26-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-27-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-25-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-29-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-28-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-31-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2824-30-0x0000000000400000-0x00000000007E4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 10:38
Reported
2024-01-06 10:17
Platform
win10v2004-20231222-en
Max time kernel
49s
Max time network
152s
Command Line
Signatures
BitRAT
CustAttr .NET packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
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| N/A | N/A | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2256 set thread context of 1696 | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe
"C:\Users\Admin\AppData\Local\Temp\67ec6b9c6ecea354319ea57391b818f9.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.127.169.103:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 13.85.23.206:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | udp | |
| N/A | 40.127.169.103:443 | tcp | |
| N/A | 40.127.169.103:443 | tcp | |
| US | 8.8.8.8:53 | udp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| SG | 139.99.66.103:9085 | tcp | |
| GB | 96.17.178.194:80 | tcp | |
| SG | 139.99.66.103:9085 | tcp |
Files
memory/2256-2-0x0000000005500000-0x000000000559C000-memory.dmp
memory/2256-1-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/2256-3-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/2256-4-0x00000000055A0000-0x0000000005632000-memory.dmp
memory/2256-0-0x0000000000890000-0x0000000000AAC000-memory.dmp
memory/2256-7-0x00000000057D0000-0x0000000005826000-memory.dmp
memory/2256-6-0x00000000054A0000-0x00000000054AA000-memory.dmp
memory/2256-5-0x0000000005760000-0x0000000005770000-memory.dmp
memory/2256-8-0x0000000001510000-0x0000000001522000-memory.dmp
memory/2256-9-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/2256-10-0x0000000005760000-0x0000000005770000-memory.dmp
memory/2256-11-0x0000000008610000-0x00000000087D4000-memory.dmp
memory/1696-13-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-14-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2256-19-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/1696-18-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-17-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-16-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/2256-12-0x0000000009B70000-0x0000000009CEC000-memory.dmp
memory/1696-20-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-21-0x00000000742D0000-0x0000000074309000-memory.dmp
memory/1696-22-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-24-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-27-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-28-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-29-0x0000000074670000-0x00000000746A9000-memory.dmp
memory/1696-26-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-25-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-23-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-30-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-32-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-33-0x0000000074670000-0x00000000746A9000-memory.dmp
memory/1696-31-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-36-0x0000000074670000-0x00000000746A9000-memory.dmp
memory/1696-35-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-34-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-37-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1696-39-0x0000000074670000-0x00000000746A9000-memory.dmp
memory/1696-38-0x0000000000400000-0x00000000007E4000-memory.dmp