Analysis Overview
SHA256
f8590e30885a7ab138613a0747d69830715d6f4d656274cf0a613f56741a9f0a
Threat Level: Known bad
The file f8590e30885a7ab138613a0747d69830715d6f4d656274cf0a613f56741a9f0a was found to be: Known bad.
Malicious Activity Summary
Async RAT payload
Asyncrat family
AsyncRat
Async RAT payload
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-19 18:18
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
2024-04-19 18:18
Reported
2024-04-19 18:22
Platform
win7-20231129-en
Max time kernel
126s
Max time network
136s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe
"C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Registry" /tr '"C:\Users\Admin\AppData\Roaming\Registry.exe"' & exit
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1B8C.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Registry" /tr '"C:\Users\Admin\AppData\Roaming\Registry.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Registry.exe
"C:\Users\Admin\AppData\Roaming\Registry.exe"
Network
| Country | Destination | Domain | Proto |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp |
Files
memory/1724-0-0x0000000001330000-0x0000000001348000-memory.dmp
memory/1724-2-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
memory/1724-3-0x000000001AFF0000-0x000000001B070000-memory.dmp
memory/1724-4-0x00000000770C0000-0x0000000077269000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1B8C.tmp.bat
| MD5 | 8c08b19eff6775d6da016c1dcb0a0e9b |
| SHA1 | 017aa5e05eb236cb03ec329abd8f9ed6cfebc4f3 |
| SHA256 | 22692fcff086d44257f00781b9aa30106bcfec7c7319a666fe02fd7e226f93fb |
| SHA512 | 7d0ee7be1c97fd529c5d5cebf07703aaa408ff13a3a500d758657c3ee1d8c1cd6322260e989c7300dfb4667dc2a332b73be537427cf15e2389d0d760d86607dc |
memory/1724-14-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
memory/1724-15-0x00000000770C0000-0x0000000077269000-memory.dmp
C:\Users\Admin\AppData\Roaming\Registry.exe
| MD5 | 97aa6075af6cb1417f4e7b50773c3e56 |
| SHA1 | 9493bde5bae684164091394f435a516769358073 |
| SHA256 | bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b |
| SHA512 | 1594ccc44012486b7f7d4e3f3dd7dd83132f2825ce8871b28b3b851a59f41dbe946912c5ff88b5afaed09f9a119f51b2bc5f5a4bf854239f193c950164c94cff |
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |
memory/2728-20-0x000007FEF4A20000-0x000007FEF540C000-memory.dmp
memory/2728-19-0x0000000000830000-0x0000000000848000-memory.dmp
memory/2728-22-0x000000001AFB0000-0x000000001B030000-memory.dmp
memory/2728-23-0x00000000770C0000-0x0000000077269000-memory.dmp
memory/2728-24-0x000007FEF4A20000-0x000007FEF540C000-memory.dmp
memory/2728-25-0x00000000770C0000-0x0000000077269000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-19 18:18
Reported
2024-04-19 18:22
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
160s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Registry.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe
"C:\Users\Admin\AppData\Local\Temp\bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Registry" /tr '"C:\Users\Admin\AppData\Roaming\Registry.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF637.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Registry" /tr '"C:\Users\Admin\AppData\Roaming\Registry.exe"'
C:\Users\Admin\AppData\Roaming\Registry.exe
"C:\Users\Admin\AppData\Roaming\Registry.exe"
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 --mojo-platform-channel-handle=4352 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| VN | 171.233.98.70:18274 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| VN | 171.233.98.70:18274 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.200.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.200.250.142.in-addr.arpa | udp |
| VN | 171.233.98.70:18274 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| VN | 171.233.98.70:18274 | tcp | |
| VN | 171.233.98.70:18274 | tcp | |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
| VN | 171.233.98.70:18274 | tcp |
Files
memory/3404-0-0x0000000000F30000-0x0000000000F48000-memory.dmp
memory/3404-1-0x00007FF97B670000-0x00007FF97C131000-memory.dmp
memory/3404-3-0x000000001BD50000-0x000000001BD60000-memory.dmp
memory/3404-4-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp
memory/3404-9-0x00007FF97B670000-0x00007FF97C131000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF637.tmp.bat
| MD5 | f4efa0922f09dd50022fb83da7f40406 |
| SHA1 | ce16aa64d92a0b99cb99d5f5e2edb025b002f60f |
| SHA256 | af367f574c58556f352f306b358c963dd50a33ab18caf326722010a82944e4d6 |
| SHA512 | 75088b7df5c0cb1222536b7aeed1cb94ddf411f74a5223641c4e895a92cae05ef634e19396e766b369da6553eb3addd5abf9ce29d9f49c43f00bdcbfe06d99d0 |
memory/3404-11-0x00007FF99AA90000-0x00007FF99AC85000-memory.dmp
C:\Users\Admin\AppData\Roaming\Registry.exe
| MD5 | 97aa6075af6cb1417f4e7b50773c3e56 |
| SHA1 | 9493bde5bae684164091394f435a516769358073 |
| SHA256 | bc6005c0a53f37d259323fd3aeb2682b914050f20409fcfd21da5b31474a908b |
| SHA512 | 1594ccc44012486b7f7d4e3f3dd7dd83132f2825ce8871b28b3b851a59f41dbe946912c5ff88b5afaed09f9a119f51b2bc5f5a4bf854239f193c950164c94cff |
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |
memory/4272-16-0x00007FF97B670000-0x00007FF97C131000-memory.dmp
memory/4272-17-0x0000000002CD0000-0x0000000002CE0000-memory.dmp
memory/4272-18-0x00007FF97B670000-0x00007FF97C131000-memory.dmp
memory/4272-19-0x0000000002CD0000-0x0000000002CE0000-memory.dmp