Analysis Overview
SHA256
f2b99a53f9544d6b4125881456560a96df20f8a087a9d5e3cc9cf52d7ad8cd18
Threat Level: Known bad
The file suichu.rar was found to be: Known bad.
Malicious Activity Summary
Cobaltstrike
AsyncRat
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2023-07-02 07:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral4
Detonation Overview
Submitted
2023-07-02 07:31
Reported
2023-07-02 07:34
Platform
win10v2004-20230621-en
Max time kernel
119s
Max time network
151s
Command Line
Signatures
Cobaltstrike
Processes
C:\Users\Admin\AppData\Local\Temp\suichu\a9b9b041c15253ca700295888896273fd78fb7ec1b5ac84d5e984b9615c9dc4e.exe
"C:\Users\Admin\AppData\Local\Temp\suichu\a9b9b041c15253ca700295888896273fd78fb7ec1b5ac84d5e984b9615c9dc4e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | service-0hf6dzvz-1317000763.sh.apigw.tencentcs.com | udp |
| CN | 175.24.155.13:80 | service-0hf6dzvz-1317000763.sh.apigw.tencentcs.com | tcp |
| US | 8.8.8.8:53 | 13.155.24.175.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 20.42.65.89:443 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| NL | 95.101.74.151:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 151.74.101.95.in-addr.arpa | udp |
Files
memory/2636-133-0x00000259F19C0000-0x00000259F19C1000-memory.dmp
memory/2636-134-0x00000259F3790000-0x00000259F3B90000-memory.dmp
memory/2636-135-0x00000259F3B90000-0x00000259F3BDD000-memory.dmp
memory/2636-136-0x00000259F3B90000-0x00000259F3BDD000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-02 07:31
Reported
2023-07-02 07:34
Platform
win7-20230621-en
Max time kernel
144s
Max time network
151s
Command Line
Signatures
AsyncRat
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe
"C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 7593352b2g.imdo.co | udp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| US | 8.8.8.8:53 | 7593352b2g.imdo.co | udp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| US | 8.8.8.8:53 | 7593352b2g.imdo.co | udp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
| CN | 115.236.153.170:28870 | 7593352b2g.imdo.co | tcp |
Files
memory/1428-54-0x0000000000890000-0x00000000008A4000-memory.dmp
memory/1428-55-0x0000000000980000-0x0000000000A81000-memory.dmp
memory/1428-56-0x000000001B760000-0x000000001B7E0000-memory.dmp
memory/1428-57-0x000000001B760000-0x000000001B7E0000-memory.dmp
memory/1428-58-0x000000001B760000-0x000000001B7E0000-memory.dmp
memory/1428-59-0x0000000000400000-0x0000000000717000-memory.dmp
memory/1428-60-0x000000001B760000-0x000000001B7E0000-memory.dmp
memory/1428-62-0x000000001B760000-0x000000001B7E0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-02 07:31
Reported
2023-07-02 07:34
Platform
win10v2004-20230621-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe
"C:\Users\Admin\AppData\Local\Temp\suichu\44e2efbc437618b96059abef2def9d17a6034f3547ca1dbe84a5961ddfb9f6f6.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 4824 -ip 4824
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4824 -s 220
Network
| Country | Destination | Domain | Proto |
| US | 192.229.221.95:80 | tcp | |
| US | 192.229.221.95:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 20.189.173.14:443 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
Files
memory/4824-133-0x0000000000400000-0x0000000000717000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2023-07-02 07:31
Reported
2023-07-02 07:34
Platform
win7-20230621-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Cobaltstrike
Processes
C:\Users\Admin\AppData\Local\Temp\suichu\a9b9b041c15253ca700295888896273fd78fb7ec1b5ac84d5e984b9615c9dc4e.exe
"C:\Users\Admin\AppData\Local\Temp\suichu\a9b9b041c15253ca700295888896273fd78fb7ec1b5ac84d5e984b9615c9dc4e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | service-0hf6dzvz-1317000763.sh.apigw.tencentcs.com | udp |
| CN | 175.24.155.20:80 | service-0hf6dzvz-1317000763.sh.apigw.tencentcs.com | tcp |
Files
memory/2020-54-0x00000000000E0000-0x00000000000E1000-memory.dmp
memory/2020-55-0x0000000003210000-0x0000000003610000-memory.dmp
memory/2020-56-0x0000000001EF0000-0x0000000001F3D000-memory.dmp