Analysis Overview
SHA256
afd460b1472949ba5324e6461d892ab47199157022961ef3db979b3e4d41cc9a
Threat Level: Known bad
The file 4fa7b1eec1fc84eb3a13c29e5a37aae7.bin was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
AsyncRat
Async RAT payload
Async RAT payload
Checks computer location settings
Executes dropped EXE
Checks installed software on the system
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 01:40
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
2024-06-20 01:40
Reported
2024-06-20 01:42
Platform
win7-20240221-en
Max time kernel
149s
Max time network
151s
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 |
Checks installed software on the system
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
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp26B3.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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp | |
| US | 72.5.43.15:4449 | tcp |
Files
memory/1652-0-0x000007FEF54C3000-0x000007FEF54C4000-memory.dmp
memory/1652-1-0x0000000000240000-0x0000000000258000-memory.dmp
memory/1652-3-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp26B3.tmp.bat
| MD5 | 2bee576eb020f790ab98ef752de6bf12 |
| SHA1 | b9e317b99c45770dde62a5a3d555e16b0d952ebd |
| SHA256 | 4b22751eeec40681f0bbbb506ef086d2437cf29893961d4be80b87fcbab50733 |
| SHA512 | 1cdd45bba0ae803b1e26449bf1f2bcb891667fed794dbf6336efa520424ed5413e7e022d54b4e0c2b7b383c27ec3e13984f0e86fa37f0f9c979d814b24a14fde |
memory/1652-12-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
memory/1652-14-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
C:\Users\Admin\AppData\Roaming\win.exe
| MD5 | 4fa7b1eec1fc84eb3a13c29e5a37aae7 |
| SHA1 | dfff9fceeb4d74d7e82f9f0a65d1889fa0f9e326 |
| SHA256 | 5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311 |
| SHA512 | 5e36a5589499a3db56d78de1b66a9ee57a2972bc57bf4b915df9118fd2a584c74ba00c61531d922431b72e87f9c53585c4c1a78a2aba122a22ea5e3603aa06ba |
memory/2572-18-0x0000000000AD0000-0x0000000000AE8000-memory.dmp
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar4C91.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 01:40
Reported
2024-06-20 01:42
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
159s
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\5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\win.exe | N/A |
Checks installed software on the system
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\tmp2FC5.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"
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=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 72.5.43.15:4449 | tcp | |
| US | 8.8.8.8:53 | 15.43.5.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.189.79.40.in-addr.arpa | udp |
Files
memory/4616-0-0x00007FFAE92C3000-0x00007FFAE92C5000-memory.dmp
memory/4616-1-0x0000000000010000-0x0000000000028000-memory.dmp
memory/4616-3-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp
memory/4616-4-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp
memory/4616-9-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp2FC5.tmp.bat
| MD5 | 56fb357b29b77d565d00a9e3dff6bdea |
| SHA1 | 9130662fccc9bf179ed6c19acf5427949975caba |
| SHA256 | 8e94e543550f51b7cbf6ba2c1f2dd4775bd5a414a81f2f1980995e095bd0bbb7 |
| SHA512 | 4e9c814e31aa86dab9fe6fa7e740f9eb4b8710da8dbc47fbbc6a037f1d12faf1ec6f890b11a24327053353a4101884634e7ab7d4ed55a8df03e396a6d66b2383 |
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 |