Analysis Overview
SHA256
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd
Threat Level: Known bad
The file 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd was found to be: Known bad.
Malicious Activity Summary
YTStealer
YTStealer payload
UPX packed file
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-08-30 01:41
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-30 01:41
Reported
2022-08-30 01:46
Platform
win7-20220812-en
Max time kernel
42s
Max time network
46s
Command Line
Signatures
YTStealer
YTStealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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 |
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 812 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | C:\Windows\system32\cmd.exe |
| PID 812 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | C:\Windows\system32\cmd.exe |
| PID 812 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | C:\Windows\system32\cmd.exe |
| PID 1180 wrote to memory of 1720 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 1180 wrote to memory of 1720 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 1180 wrote to memory of 1720 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
Network
Files
memory/812-54-0x0000000000880000-0x0000000001658000-memory.dmp
memory/1180-55-0x0000000000000000-mapping.dmp
memory/1720-56-0x0000000000000000-mapping.dmp
memory/812-57-0x0000000000880000-0x0000000001658000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-30 01:41
Reported
2022-08-30 01:46
Platform
win10-20220812-en
Max time kernel
55s
Max time network
180s
Command Line
Signatures
YTStealer
YTStealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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 |
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3540 wrote to memory of 1568 | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | C:\Windows\system32\cmd.exe |
| PID 3540 wrote to memory of 1568 | N/A | C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe | C:\Windows\system32\cmd.exe |
| PID 1568 wrote to memory of 2072 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 1568 wrote to memory of 2072 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.13:443 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/3540-118-0x0000000000E10000-0x0000000001BE8000-memory.dmp
memory/1568-119-0x0000000000000000-mapping.dmp
memory/3540-120-0x0000000000E10000-0x0000000001BE8000-memory.dmp
memory/2072-121-0x0000000000000000-mapping.dmp