Analysis Overview
SHA256
a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
PureLog Stealer
SmokeLoader
PureLog Stealer payload
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies registry class
Uses Task Scheduler COM API
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-13 03:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-13 03:17
Reported
2024-03-13 03:19
Platform
win7-20240221-en
Max time kernel
150s
Max time network
118s
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-1-5-21-1298544033-3225604241-2703760938-1000\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 1464 set thread context of 2528 | 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 enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| 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 |
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 |
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
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/1464-0-0x00000000009D0000-0x0000000000A1E000-memory.dmp
memory/1464-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp
memory/1464-2-0x0000000001FB0000-0x0000000001FFA000-memory.dmp
memory/1464-3-0x0000000004250000-0x0000000004290000-memory.dmp
memory/1464-4-0x0000000000330000-0x0000000000362000-memory.dmp
memory/1464-5-0x00000000005C0000-0x00000000005F2000-memory.dmp
memory/1464-6-0x0000000004290000-0x00000000042DC000-memory.dmp
memory/2528-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2528-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2528-12-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2528-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1464-13-0x00000000745D0000-0x0000000074CBE000-memory.dmp
memory/2528-14-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2528-16-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1224-15-0x0000000002970000-0x0000000002986000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-13 03:17
Reported
2024-03-13 03:19
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-1-5-21-566096764-1992588923-1249862864-1000\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 2816 set thread context of 872 | 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 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 |
| Key opened | \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-1-5-21-566096764-1992588923-1249862864-1000_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 |
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 2816 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2816 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2816 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2816 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2816 wrote to memory of 872 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2816 wrote to memory of 872 | 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 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| 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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.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 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/2816-0-0x0000000000BD0000-0x0000000000C1E000-memory.dmp
memory/2816-1-0x0000000074580000-0x0000000074D30000-memory.dmp
memory/2816-2-0x00000000059C0000-0x0000000005F64000-memory.dmp
memory/2816-4-0x00000000061A0000-0x00000000061EA000-memory.dmp
memory/2816-3-0x0000000005550000-0x0000000005560000-memory.dmp
memory/2816-5-0x00000000061F0000-0x0000000006222000-memory.dmp
memory/2816-6-0x0000000006220000-0x0000000006252000-memory.dmp
memory/2816-7-0x0000000006260000-0x00000000062AC000-memory.dmp
memory/2816-8-0x00000000064D0000-0x0000000006562000-memory.dmp
memory/2816-9-0x0000000006570000-0x00000000065D6000-memory.dmp
memory/872-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2816-14-0x0000000074580000-0x0000000074D30000-memory.dmp
memory/872-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3368-15-0x0000000002EA0000-0x0000000002EB6000-memory.dmp
memory/872-17-0x0000000000400000-0x000000000040B000-memory.dmp