Analysis Overview
SHA256
4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76
Threat Level: Known bad
The file 4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Detects file containing reversed ASEP Autorun registry keys
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-25 01:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-25 01:13
Reported
2024-05-25 01:16
Platform
win7-20240221-en
Max time kernel
117s
Max time network
145s
Command Line
Signatures
AsyncRat
Detects file containing reversed ASEP Autorun registry keys
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1968 set thread context of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe
"C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#system32
Network
| Country | Destination | Domain | Proto |
| GB | 20.117.108.240:7825 | tcp |
Files
memory/1968-0-0x000000007464E000-0x000000007464F000-memory.dmp
memory/1968-1-0x00000000000F0000-0x000000000010C000-memory.dmp
memory/1968-2-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/2292-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-13-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2292-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-5-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-3-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-17-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2292-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1968-18-0x0000000074640000-0x0000000074D2E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-25 01:13
Reported
2024-05-25 01:16
Platform
win10v2004-20240508-en
Max time kernel
135s
Max time network
152s
Command Line
Signatures
AsyncRat
Detects file containing reversed ASEP Autorun registry keys
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4196 set thread context of 1556 | N/A | C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe
"C:\Users\Admin\AppData\Local\Temp\4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#system32
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4028,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4492 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| GB | 20.117.108.240:7825 | tcp | |
| US | 8.8.8.8:53 | 240.108.117.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
Files
memory/4196-0-0x000000007507E000-0x000000007507F000-memory.dmp
memory/4196-1-0x0000000000620000-0x000000000063C000-memory.dmp
memory/1556-2-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4196-4-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1556-5-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1556-6-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1556-9-0x0000000005CF0000-0x0000000005D8C000-memory.dmp
memory/1556-10-0x0000000006340000-0x00000000068E4000-memory.dmp
memory/1556-11-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/4196-12-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1556-13-0x0000000075070000-0x0000000075820000-memory.dmp
memory/1556-14-0x0000000075070000-0x0000000075820000-memory.dmp