Analysis Overview
SHA256
6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23
Threat Level: Known bad
The file 6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Executes dropped EXE
Deletes itself
Program crash
Unsigned PE
Uses Task Scheduler COM API
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-09 12:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-09 12:36
Reported
2024-04-09 12:41
Platform
win7-20240215-en
Max time kernel
300s
Max time network
122s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ubchbts | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ubchbts | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ubchbts | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\ubchbts | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ubchbts | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2052 wrote to memory of 2396 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\ubchbts |
| PID 2052 wrote to memory of 2396 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\ubchbts |
| PID 2052 wrote to memory of 2396 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\ubchbts |
| PID 2052 wrote to memory of 2396 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\ubchbts |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe
"C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {C1AF57A3-BA4E-48E1-A9CC-E5A06390E6DA} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\ubchbts
C:\Users\Admin\AppData\Roaming\ubchbts
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | selebration17io.io | udp |
| RU | 91.215.85.120:80 | selebration17io.io | tcp |
Files
memory/1600-2-0x00000000003A0000-0x00000000003AB000-memory.dmp
memory/1600-1-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1600-3-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/1088-4-0x0000000002560000-0x0000000002576000-memory.dmp
memory/1600-5-0x0000000000400000-0x00000000022D1000-memory.dmp
C:\Users\Admin\AppData\Roaming\ubchbts
| MD5 | 5cddaacf9782c030db128e3ebfd8f301 |
| SHA1 | 71bae291b66ecfad6ee79ab150c9b4bdc676f06c |
| SHA256 | 6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23 |
| SHA512 | bee3cbdeac5a317f58ebb2d621740f8b7e81e47db236327cb0e908bc49886e320e30a95191470953177740f702adfe704a626325ddd2a33f10c8ec3060059797 |
memory/2396-14-0x00000000002B0000-0x00000000003B0000-memory.dmp
memory/2396-15-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/1088-16-0x0000000002FB0000-0x0000000002FC6000-memory.dmp
memory/2396-19-0x0000000000400000-0x00000000022D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-09 12:36
Reported
2024-04-09 12:41
Platform
win10-20240404-en
Max time kernel
291s
Max time network
263s
Command Line
Signatures
SmokeLoader
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe
"C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 492
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 225.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.189.79.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
Files
memory/4440-1-0x0000000002670000-0x0000000002770000-memory.dmp
memory/4440-2-0x0000000002410000-0x000000000241B000-memory.dmp
memory/4440-3-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/4440-6-0x0000000002670000-0x0000000002770000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-09 12:36
Reported
2024-04-09 12:41
Platform
win10v2004-20240226-en
Max time kernel
300s
Max time network
281s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\djagava | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\djagava | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\djagava | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\djagava | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\djagava | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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 |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe
"C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe"
C:\Users\Admin\AppData\Roaming\djagava
C:\Users\Admin\AppData\Roaming\djagava
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | selebration17io.io | udp |
| RU | 91.215.85.120:80 | selebration17io.io | tcp |
| US | 8.8.8.8:53 | 120.85.215.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/1684-1-0x0000000002560000-0x0000000002660000-memory.dmp
memory/1684-2-0x0000000004020000-0x000000000402B000-memory.dmp
memory/1684-3-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/3296-4-0x0000000001370000-0x0000000001386000-memory.dmp
memory/1684-5-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/1684-8-0x0000000004020000-0x000000000402B000-memory.dmp
C:\Users\Admin\AppData\Roaming\djagava
| MD5 | 5cddaacf9782c030db128e3ebfd8f301 |
| SHA1 | 71bae291b66ecfad6ee79ab150c9b4bdc676f06c |
| SHA256 | 6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23 |
| SHA512 | bee3cbdeac5a317f58ebb2d621740f8b7e81e47db236327cb0e908bc49886e320e30a95191470953177740f702adfe704a626325ddd2a33f10c8ec3060059797 |
memory/4168-15-0x00000000025B0000-0x00000000026B0000-memory.dmp
memory/4168-16-0x0000000000400000-0x00000000022D1000-memory.dmp
memory/3296-17-0x00000000012E0000-0x00000000012F6000-memory.dmp
memory/4168-18-0x0000000000400000-0x00000000022D1000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-09 12:36
Reported
2024-04-09 12:41
Platform
win11-20240319-en
Max time kernel
211s
Max time network
286s
Command Line
Signatures
SmokeLoader
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe
"C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3136 -ip 3136
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 384
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
Files
memory/3136-1-0x0000000002450000-0x0000000002550000-memory.dmp
memory/3136-2-0x0000000002440000-0x000000000244B000-memory.dmp
memory/3136-3-0x0000000000400000-0x00000000022D1000-memory.dmp