Analysis Overview
SHA256
37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355
Threat Level: Known bad
The file 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355 was found to be: Known bad.
Malicious Activity Summary
YTStealer
YTStealer payload
UPX packed file
Reads user/profile data of web browsers
Deletes itself
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-08-30 01:38
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2022-08-30 01:38
Reported
2022-08-30 01:43
Platform
win10-20220812-en
Max time kernel
75s
Max time network
207s
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 4672 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | C:\Windows\system32\cmd.exe |
| PID 4672 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | C:\Windows\system32\cmd.exe |
| PID 2064 wrote to memory of 4780 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 2064 wrote to memory of 4780 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
"C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.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\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
Network
| Country | Destination | Domain | Proto |
| US | 20.42.73.25:443 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/4672-115-0x0000000000D00000-0x0000000001AC9000-memory.dmp
memory/2064-116-0x0000000000000000-mapping.dmp
memory/4780-117-0x0000000000000000-mapping.dmp
memory/4672-118-0x0000000000D00000-0x0000000001AC9000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-08-30 01:38
Reported
2022-08-30 01:43
Platform
win7-20220812-en
Max time kernel
43s
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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\cmd.exe | 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\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1088 wrote to memory of 1764 | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | C:\Windows\system32\cmd.exe |
| PID 1088 wrote to memory of 1764 | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | C:\Windows\system32\cmd.exe |
| PID 1088 wrote to memory of 1764 | N/A | C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe | C:\Windows\system32\cmd.exe |
| PID 1764 wrote to memory of 1332 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 1764 wrote to memory of 1332 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 1764 wrote to memory of 1332 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\choice.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
"C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.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\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
Network
Files
memory/1088-54-0x0000000001140000-0x0000000001F09000-memory.dmp
memory/1764-55-0x0000000000000000-mapping.dmp
memory/1088-57-0x0000000001140000-0x0000000001F09000-memory.dmp
memory/1332-56-0x0000000000000000-mapping.dmp