Analysis Overview
SHA256
6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59
Threat Level: Known bad
The file a20d99e025fb23ba51d38a975bc10de5.exe was found to be: Known bad.
Malicious Activity Summary
SystemBC
Executes dropped EXE
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-05-07 05:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-07 05:15
Reported
2023-05-07 14:16
Platform
win7-20230220-en
Max time kernel
181s
Max time network
180s
Command Line
Signatures
SystemBC
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\urhkg\ksdioge.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\ksdioge.job | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
| File opened for modification | C:\Windows\Tasks\ksdioge.job | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1924 wrote to memory of 1724 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\urhkg\ksdioge.exe |
| PID 1924 wrote to memory of 1724 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\urhkg\ksdioge.exe |
| PID 1924 wrote to memory of 1724 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\urhkg\ksdioge.exe |
| PID 1924 wrote to memory of 1724 | N/A | C:\Windows\system32\taskeng.exe | C:\ProgramData\urhkg\ksdioge.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe
"C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {5CA8DAEE-2FBF-4BF6-BEEE-61E55CA09673} S-1-5-18:NT AUTHORITY\System:Service:
C:\ProgramData\urhkg\ksdioge.exe
C:\ProgramData\urhkg\ksdioge.exe start
Network
| Country | Destination | Domain | Proto |
| PA | 141.98.82.229:4001 | tcp | |
| PA | 141.98.82.229:4001 | tcp |
Files
memory/1176-55-0x0000000000220000-0x0000000000229000-memory.dmp
memory/1176-56-0x0000000000400000-0x0000000000581000-memory.dmp
C:\ProgramData\urhkg\ksdioge.exe
| MD5 | a20d99e025fb23ba51d38a975bc10de5 |
| SHA1 | 6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045 |
| SHA256 | 6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59 |
| SHA512 | a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198 |
C:\ProgramData\urhkg\ksdioge.exe
| MD5 | a20d99e025fb23ba51d38a975bc10de5 |
| SHA1 | 6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045 |
| SHA256 | 6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59 |
| SHA512 | a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198 |
memory/1724-71-0x0000000000400000-0x0000000000581000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-07 05:15
Reported
2023-05-07 14:16
Platform
win10v2004-20230220-en
Max time kernel
205s
Max time network
209s
Command Line
Signatures
SystemBC
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Tasks\omnaa.job | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
| File created | C:\Windows\Tasks\omnaa.job | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe
"C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2104 -ip 2104
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 488
Network
| Country | Destination | Domain | Proto |
| US | 93.184.221.240:80 | tcp | |
| IE | 13.69.239.74:443 | tcp | |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 126.139.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 123.108.74.40.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 52.242.101.226:443 | tcp | |
| US | 52.242.101.226:443 | tcp |
Files
memory/2104-134-0x00000000022C0000-0x00000000022C9000-memory.dmp
memory/2104-135-0x0000000000400000-0x0000000000581000-memory.dmp