Analysis Overview
SHA256
842f83e6ba429b2f09bf50de8aca1b5d9ca9a78b00ee09087dd6c518852b0446
Threat Level: Known bad
The file 36b7614f2f6b0788e6c2be5def44c68f.bin was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Asyncrat family
Async RAT payload
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-17 01:20
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
2024-06-17 01:20
Reported
2024-06-17 01:23
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Sysbin.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\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\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Sysbin.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Sysbin.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe
"C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Sysbin" /tr '"C:\Users\Admin\AppData\Roaming\Sysbin.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4594.tmp.bat""
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Sysbin" /tr '"C:\Users\Admin\AppData\Roaming\Sysbin.exe"'
C:\Users\Admin\AppData\Roaming\Sysbin.exe
"C:\Users\Admin\AppData\Roaming\Sysbin.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| VN | 61.14.233.130:8808 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:6606 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:6606 | tcp |
Files
memory/4084-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/4084-1-0x0000000000A20000-0x0000000000A32000-memory.dmp
memory/4084-2-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/4084-3-0x0000000005470000-0x000000000550C000-memory.dmp
memory/4084-8-0x0000000074C40000-0x00000000753F0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp4594.tmp.bat
| MD5 | 6a93f4469c686a70942408121361e3cb |
| SHA1 | ff13fafce97f1eb117a5766da2165777103c5a88 |
| SHA256 | 70e72533f0203c2bd5f5ee4b0f3ae6f5c15ee36a16fb8725d22dd791b2464fc1 |
| SHA512 | 5a41e1d23df1656b1bd3080658af5fd57d8b60d7546a6dc3127036cd3aa6f6e87c927a388a8f8ff3dfc6e67c01720f57ab5214ac529f011bccb039a71190c030 |
C:\Users\Admin\AppData\Roaming\Sysbin.exe
| MD5 | 36b7614f2f6b0788e6c2be5def44c68f |
| SHA1 | 0aca41d981fbc11d8eee8d7c668fc68637b4985c |
| SHA256 | f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263 |
| SHA512 | b1243336e444127b0931c9cc5ce7e364540dd1fba1d25e9b7384e6d1d6d68036d7ea46b2c56592c20891d2d085af319286eda4eef57c1056bed97abdcb1d2449 |
memory/3096-13-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3096-14-0x0000000074C40000-0x00000000753F0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 01:20
Reported
2024-06-17 01:23
Platform
win7-20240508-en
Max time kernel
141s
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\Sysbin.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Sysbin.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Sysbin.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe
"C:\Users\Admin\AppData\Local\Temp\f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Sysbin" /tr '"C:\Users\Admin\AppData\Roaming\Sysbin.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp28D5.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Sysbin" /tr '"C:\Users\Admin\AppData\Roaming\Sysbin.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Sysbin.exe
"C:\Users\Admin\AppData\Roaming\Sysbin.exe"
Network
| Country | Destination | Domain | Proto |
| VN | 61.14.233.130:8808 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:7707 | tcp | |
| VN | 61.14.233.130:8808 | tcp |
Files
memory/2372-1-0x0000000000C10000-0x0000000000C22000-memory.dmp
memory/2372-0-0x00000000747AE000-0x00000000747AF000-memory.dmp
memory/2372-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/2372-12-0x00000000747A0000-0x0000000074E8E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp28D5.tmp.bat
| MD5 | a3627e13813e822f06ccbc8e6ba2ec43 |
| SHA1 | 9c60cccc8f33a1460ba107f06e7941fbf3824909 |
| SHA256 | 7a5543aad5308d47bfdcd42f1657b689525b63e451d478129fd9115d78164475 |
| SHA512 | ff614df12920426b026abe832e8d60ef09f90820800af360e84c780fc5117a8bfc9da1b216bcf73e39f5c7f9eeeea256a16cdd76eafa73c69d4ad528427ed945 |
C:\Users\Admin\AppData\Roaming\Sysbin.exe
| MD5 | 36b7614f2f6b0788e6c2be5def44c68f |
| SHA1 | 0aca41d981fbc11d8eee8d7c668fc68637b4985c |
| SHA256 | f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263 |
| SHA512 | b1243336e444127b0931c9cc5ce7e364540dd1fba1d25e9b7384e6d1d6d68036d7ea46b2c56592c20891d2d085af319286eda4eef57c1056bed97abdcb1d2449 |
memory/2696-16-0x0000000000050000-0x0000000000062000-memory.dmp