Analysis Overview
SHA256
5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311
Threat Level: Known bad
The file 5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe was found to be: Known bad.
Malicious Activity Summary
Async RAT payload
Asyncrat family
AsyncRat
Async RAT payload
Executes dropped EXE
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-19 16:03
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: behavioral2
Detonation Overview
Submitted
2024-06-19 16:03
Reported
2024-06-19 16:06
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
149s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe
"C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F87.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\win.exe
"C:\Users\Admin\AppData\Roaming\win.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp |
Files
memory/2800-0-0x00007FFECB833000-0x00007FFECB835000-memory.dmp
memory/2800-1-0x0000000000960000-0x0000000000978000-memory.dmp
memory/2800-3-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp
memory/2800-8-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp4F87.tmp.bat
| MD5 | e5afee54df0bfb66e4e8576a989beaa2 |
| SHA1 | a3b258875774ca5c3923abb3ae25c5a873bd118a |
| SHA256 | 552cbca4f4f50d6a04c02e2e81f6634249b09a869df51b2d09d65ef406b01e9c |
| SHA512 | 5c1a137436e86e9f0258648f8dccb64bc9954b8798255cd67567a0a36f0c6727062c1b2c7aa47166ab6a446fa871319da1f2ff8d4a48e8d53b48a450b074a425 |
C:\Users\Admin\AppData\Roaming\win.exe
| MD5 | 4fa7b1eec1fc84eb3a13c29e5a37aae7 |
| SHA1 | dfff9fceeb4d74d7e82f9f0a65d1889fa0f9e326 |
| SHA256 | 5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311 |
| SHA512 | 5e36a5589499a3db56d78de1b66a9ee57a2972bc57bf4b915df9118fd2a584c74ba00c61531d922431b72e87f9c53585c4c1a78a2aba122a22ea5e3603aa06ba |
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 16:03
Reported
2024-06-19 16:06
Platform
win7-20240508-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\win.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe
"C:\Users\Admin\AppData\Local\Temp\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"' & exit
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2462.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\win.exe
"C:\Users\Admin\AppData\Roaming\win.exe"
Network
| Country | Destination | Domain | Proto |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp |
Files
memory/3016-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp
memory/3016-1-0x0000000000AB0000-0x0000000000AC8000-memory.dmp
memory/3016-3-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp2462.tmp.bat
| MD5 | 38e99fd2dbe17df5e08df5b36b3a27fe |
| SHA1 | 78162395ec687620a18618173361fb1363e137d5 |
| SHA256 | 8ba33bee22a71e1b9c5453501923cfc7ff3fdb3a0f4673a994d609d8281a1a5d |
| SHA512 | 761b82bed4ecc0c80dd8554bc9173ca5d678dad2db552b8e504be6b0863161ca3c56ce8607813a67bb81515f9c0cf51a8baa7f0ebe87d501f36d888cac389fc6 |
memory/3016-12-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp
memory/3016-13-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp
C:\Users\Admin\AppData\Roaming\win.exe
| MD5 | 4fa7b1eec1fc84eb3a13c29e5a37aae7 |
| SHA1 | dfff9fceeb4d74d7e82f9f0a65d1889fa0f9e326 |
| SHA256 | 5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311 |
| SHA512 | 5e36a5589499a3db56d78de1b66a9ee57a2972bc57bf4b915df9118fd2a584c74ba00c61531d922431b72e87f9c53585c4c1a78a2aba122a22ea5e3603aa06ba |
memory/2628-18-0x0000000001240000-0x0000000001258000-memory.dmp
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |