Analysis Overview
SHA256
ad2c029407cebf926900436721a48f42afb91768b15c7d2e3e584cb766661bd2
Threat Level: Known bad
The file Stub.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Asyncrat family
Reads user/profile data of web browsers
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 17:01
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 17:01
Reported
2024-06-27 17:03
Platform
win7-20240508-en
Max time kernel
122s
Max time network
146s
Command Line
Signatures
AsyncRat
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 172.93.111.165:6666 | backwork07.ddns.net | tcp |
| US | 172.93.111.165:6666 | backwork07.ddns.net | tcp |
Files
memory/1904-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp
memory/1904-1-0x0000000000AF0000-0x0000000000B06000-memory.dmp
memory/1904-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar3885.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/1904-40-0x0000000073FEE000-0x0000000073FEF000-memory.dmp
memory/1904-41-0x0000000073FE0000-0x00000000746CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 17:01
Reported
2024-06-27 17:03
Platform
win10v2004-20240508-en
Max time kernel
143s
Max time network
147s
Command Line
Signatures
AsyncRat
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Stub.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
| US | 8.8.8.8:53 | backwork07.ddns.net | udp |
Files
memory/1944-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp
memory/1944-1-0x0000000000180000-0x0000000000196000-memory.dmp
memory/1944-2-0x0000000074BA0000-0x0000000075350000-memory.dmp
memory/1944-3-0x0000000005320000-0x00000000058C4000-memory.dmp
memory/1944-4-0x0000000004F50000-0x0000000004FE2000-memory.dmp
memory/1944-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp
memory/1944-6-0x0000000074BA0000-0x0000000075350000-memory.dmp