Analysis Overview
SHA256
3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e
Threat Level: Known bad
The file a533eeaaec1a873d84936633e153dd0a.exe was found to be: Known bad.
Malicious Activity Summary
SystemBC
Executes dropped EXE
Drops file in Windows directory
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-12-18 07:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-18 07:32
Reported
2022-12-18 07:34
Platform
win7-20220812-en
Max time kernel
74s
Max time network
99s
Command Line
Signatures
SystemBC
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\deaih\mdtuu.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\mdtuu.job | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
| File opened for modification | C:\Windows\Tasks\mdtuu.job | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1972 wrote to memory of 1936 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\deaih\mdtuu.exe |
| PID 1972 wrote to memory of 1936 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\deaih\mdtuu.exe |
| PID 1972 wrote to memory of 1936 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\deaih\mdtuu.exe |
| PID 1972 wrote to memory of 1936 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\deaih\mdtuu.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe
"C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {C6314DC9-671F-4E9C-AA5A-86015217C5F1} S-1-5-18:NT AUTHORITY\System:Service:
C:\ProgramData\deaih\mdtuu.exe
C:\ProgramData\deaih\mdtuu.exe start
Network
| Country | Destination | Domain | Proto |
| N/A | 109.205.214.18:443 | tcp |
Files
memory/1132-54-0x0000000075931000-0x0000000075933000-memory.dmp
memory/1132-55-0x000000000056B000-0x0000000000581000-memory.dmp
memory/1132-56-0x0000000000220000-0x0000000000229000-memory.dmp
memory/1132-57-0x0000000000400000-0x0000000000458000-memory.dmp
C:\ProgramData\deaih\mdtuu.exe
| MD5 | a533eeaaec1a873d84936633e153dd0a |
| SHA1 | a16f84c4039ddccf9960cee21cb8860f2f1cf34c |
| SHA256 | 3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e |
| SHA512 | c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79 |
C:\ProgramData\deaih\mdtuu.exe
| MD5 | a533eeaaec1a873d84936633e153dd0a |
| SHA1 | a16f84c4039ddccf9960cee21cb8860f2f1cf34c |
| SHA256 | 3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e |
| SHA512 | c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79 |
memory/1936-59-0x0000000000000000-mapping.dmp
memory/1132-61-0x000000000056B000-0x0000000000581000-memory.dmp
memory/1936-63-0x000000000028B000-0x00000000002A1000-memory.dmp
memory/1936-64-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1936-65-0x000000000028B000-0x00000000002A1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-12-18 07:32
Reported
2022-12-18 07:34
Platform
win10v2004-20220812-en
Max time kernel
91s
Max time network
110s
Command Line
Signatures
SystemBC
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\thsco\ihvxb.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\ihvxb.job | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
| File opened for modification | C:\Windows\Tasks\ihvxb.job | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe
"C:\Users\Admin\AppData\Local\Temp\a533eeaaec1a873d84936633e153dd0a.exe"
C:\ProgramData\thsco\ihvxb.exe
C:\ProgramData\thsco\ihvxb.exe start
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3916 -ip 3916
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 960
Network
| Country | Destination | Domain | Proto |
| N/A | 109.205.214.18:443 | tcp | |
| N/A | 104.46.162.226:443 | tcp | |
| N/A | 67.24.171.254:80 | tcp | |
| N/A | 67.24.171.254:80 | tcp | |
| N/A | 67.24.171.254:80 | tcp |
Files
memory/3916-132-0x00000000007C8000-0x00000000007DE000-memory.dmp
memory/3916-133-0x00000000005A0000-0x00000000005A9000-memory.dmp
memory/3916-134-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3916-135-0x00000000007C8000-0x00000000007DE000-memory.dmp
memory/3916-136-0x00000000005A0000-0x00000000005A9000-memory.dmp
C:\ProgramData\thsco\ihvxb.exe
| MD5 | a533eeaaec1a873d84936633e153dd0a |
| SHA1 | a16f84c4039ddccf9960cee21cb8860f2f1cf34c |
| SHA256 | 3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e |
| SHA512 | c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79 |
C:\ProgramData\thsco\ihvxb.exe
| MD5 | a533eeaaec1a873d84936633e153dd0a |
| SHA1 | a16f84c4039ddccf9960cee21cb8860f2f1cf34c |
| SHA256 | 3f6c84150d51188f54330ce514518c879705052abad3f89325e9c279f1d9403e |
| SHA512 | c599ec24478794dbe3fd1f3124bb93423b610a5d36eb76d625a2401fcc5f368ee40bca9585ba156a06747c593bc415369ae2106ee48b94044a72a59bd1949b79 |
memory/3100-139-0x0000000000612000-0x0000000000628000-memory.dmp
memory/3100-140-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3916-141-0x00000000007C8000-0x00000000007DE000-memory.dmp
memory/3916-142-0x0000000000400000-0x0000000000458000-memory.dmp