Analysis Overview
SHA256
d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f
Threat Level: Known bad
The file d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Executes dropped EXE
Deletes itself
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-23 00:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-23 00:37
Reported
2023-09-23 00:42
Platform
win7-20230831-en
Max time kernel
300s
Max time network
127s
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\btdsubi | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btdsubi | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btdsubi | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\btdsubi | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
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Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\btdsubi | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2516 wrote to memory of 2484 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\btdsubi |
| PID 2516 wrote to memory of 2484 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\btdsubi |
| PID 2516 wrote to memory of 2484 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\btdsubi |
| PID 2516 wrote to memory of 2484 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\btdsubi |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe
"C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {3A6C3C67-931B-4F29-B277-5503DF772455} S-1-5-21-3513876443-2771975297-1923446376-1000:GPFFWLPI\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\btdsubi
C:\Users\Admin\AppData\Roaming\btdsubi
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gudintas.at | udp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
| UZ | 195.158.3.162:80 | gudintas.at | tcp |
Files
memory/2408-0-0x0000000000220000-0x0000000000235000-memory.dmp
memory/2408-1-0x0000000000240000-0x0000000000249000-memory.dmp
memory/2408-2-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2408-4-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1336-3-0x0000000002730000-0x0000000002746000-memory.dmp
memory/2408-8-0x0000000000220000-0x0000000000235000-memory.dmp
memory/2408-7-0x0000000000240000-0x0000000000249000-memory.dmp
memory/1336-9-0x000007FEF6230000-0x000007FEF6373000-memory.dmp
memory/1336-10-0x000007FEC3380000-0x000007FEC338A000-memory.dmp
memory/1336-14-0x000007FEF6230000-0x000007FEF6373000-memory.dmp
memory/1336-15-0x000007FEC3380000-0x000007FEC338A000-memory.dmp
C:\Users\Admin\AppData\Roaming\btdsubi
| MD5 | f84d9531222b555aad876986d97c897c |
| SHA1 | 5819b4fba849f0e021c5f007f911bd3f56b8bc2a |
| SHA256 | d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f |
| SHA512 | 4c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31 |
C:\Users\Admin\AppData\Roaming\btdsubi
| MD5 | f84d9531222b555aad876986d97c897c |
| SHA1 | 5819b4fba849f0e021c5f007f911bd3f56b8bc2a |
| SHA256 | d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f |
| SHA512 | 4c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31 |
memory/2484-18-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1336-19-0x0000000002C40000-0x0000000002C56000-memory.dmp
memory/2484-20-0x0000000000400000-0x000000000043C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-23 00:37
Reported
2023-09-23 00:43
Platform
win10-20230915-en
Max time kernel
309s
Max time network
301s
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\vfrujts | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\vfrujts | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\vfrujts | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\vfrujts | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
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Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\vfrujts | 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 |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe
"C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe"
C:\Users\Admin\AppData\Roaming\vfrujts
C:\Users\Admin\AppData\Roaming\vfrujts
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gudintas.at | udp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| US | 8.8.8.8:53 | 126.233.171.211.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| KR | 211.171.233.126:80 | gudintas.at | tcp |
| US | 8.8.8.8:53 | 50.192.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.211.247.8.in-addr.arpa | udp |
Files
memory/1988-0-0x0000000000580000-0x0000000000595000-memory.dmp
memory/1988-1-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/1988-2-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3248-3-0x00000000014F0000-0x0000000001506000-memory.dmp
memory/1988-4-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1988-8-0x0000000000580000-0x0000000000595000-memory.dmp
memory/1988-7-0x00000000001C0000-0x00000000001C9000-memory.dmp
C:\Users\Admin\AppData\Roaming\vfrujts
| MD5 | f84d9531222b555aad876986d97c897c |
| SHA1 | 5819b4fba849f0e021c5f007f911bd3f56b8bc2a |
| SHA256 | d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f |
| SHA512 | 4c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31 |
C:\Users\Admin\AppData\Roaming\vfrujts
| MD5 | f84d9531222b555aad876986d97c897c |
| SHA1 | 5819b4fba849f0e021c5f007f911bd3f56b8bc2a |
| SHA256 | d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f |
| SHA512 | 4c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31 |
memory/5000-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3248-15-0x0000000002F30000-0x0000000002F46000-memory.dmp
memory/5000-16-0x0000000000400000-0x000000000043C000-memory.dmp