Analysis Overview
SHA256
a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
PureLog Stealer
PureLog Stealer payload
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Modifies registry class
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-15 07:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-03-15 07:15
Reported
2024-03-15 07:17
Platform
win7-20240221-en
Max time kernel
150s
Max time network
125s
Command Line
Signatures
PureLog Stealer
PureLog Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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SmokeLoader
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\SOCKET5 = "C:\\Users\\Admin\\AppData\\Roaming\\SOCKET5.exe" | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 460 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | glueberry-og.cc | udp |
| NL | 91.92.243.239:80 | glueberry-og.cc | tcp |
| US | 8.8.8.8:53 | glueberry-og.co | udp |
| NL | 91.92.243.239:80 | glueberry-og.co | tcp |
| US | 8.8.8.8:53 | glueberry-og.to | udp |
| NL | 91.92.243.239:80 | glueberry-og.to | tcp |
Files
memory/460-0-0x0000000000140000-0x000000000018E000-memory.dmp
memory/460-1-0x0000000073EB0000-0x000000007459E000-memory.dmp
memory/460-2-0x00000000005A0000-0x00000000005EA000-memory.dmp
memory/460-3-0x0000000004810000-0x0000000004850000-memory.dmp
memory/460-4-0x0000000000630000-0x0000000000662000-memory.dmp
memory/460-5-0x0000000000780000-0x00000000007B2000-memory.dmp
memory/460-6-0x00000000007F0000-0x000000000083C000-memory.dmp
memory/2576-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2576-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2576-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2576-12-0x0000000000400000-0x000000000040B000-memory.dmp
memory/460-13-0x0000000073EB0000-0x000000007459E000-memory.dmp
memory/2576-14-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2576-16-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1344-15-0x00000000025B0000-0x00000000025C6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-15 07:15
Reported
2024-03-15 07:17
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
125s
Command Line
Signatures
PureLog Stealer
PureLog Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
SmokeLoader
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SOCKET5 = "C:\\Users\\Admin\\AppData\\Roaming\\SOCKET5.exe" | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3284 set thread context of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ | N/A | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3284 wrote to memory of 3760 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | glueberry-og.cc | udp |
| NL | 91.92.243.239:80 | glueberry-og.cc | tcp |
| US | 8.8.8.8:53 | glueberry-og.co | udp |
| NL | 91.92.243.239:80 | glueberry-og.co | tcp |
| US | 8.8.8.8:53 | glueberry-og.to | udp |
| NL | 91.92.243.239:80 | glueberry-og.to | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3284-0-0x0000000000D20000-0x0000000000D6E000-memory.dmp
memory/3284-1-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/3284-2-0x0000000005C00000-0x00000000061A4000-memory.dmp
memory/3284-3-0x0000000005700000-0x0000000005710000-memory.dmp
memory/3284-4-0x0000000006460000-0x00000000064AA000-memory.dmp
memory/3284-5-0x00000000056D0000-0x0000000005702000-memory.dmp
memory/3284-6-0x00000000064C0000-0x00000000064F2000-memory.dmp
memory/3284-7-0x0000000006500000-0x000000000654C000-memory.dmp
memory/3284-8-0x0000000006670000-0x0000000006702000-memory.dmp
memory/3284-9-0x0000000006710000-0x0000000006776000-memory.dmp
memory/3760-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3760-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3284-14-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/3388-15-0x0000000002F90000-0x0000000002FA6000-memory.dmp
memory/3760-16-0x0000000000400000-0x000000000040B000-memory.dmp