Analysis Overview
SHA256
715c1fbf243cdd37c2e7f5cabe0093c366589ed477c4bb76348936fe26316579
Threat Level: Known bad
The file 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.zip was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
AsyncRat
Async RAT payload
Async RAT payload
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-21 13:26
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-21 13:26
Reported
2023-03-21 13:28
Platform
win7-20230220-en
Max time kernel
150s
Max time network
32s
Command Line
Signatures
AsyncRat
Async RAT payload
| 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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\windows.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\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\windows.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe
"C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windows" /tr '"C:\Users\Admin\AppData\Local\Temp\windows.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAC09.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "windows" /tr '"C:\Users\Admin\AppData\Local\Temp\windows.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Local\Temp\windows.exe
"C:\Users\Admin\AppData\Local\Temp\windows.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:6606 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:6606 | tcp |
Files
memory/1100-54-0x0000000000FD0000-0x0000000001024000-memory.dmp
memory/1100-55-0x0000000000C50000-0x0000000000C90000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAC09.tmp.bat
| MD5 | 52c5bdab455c24867afc562414483c94 |
| SHA1 | 155cd1a9be6ce083a931023c99064aa6cc6108ae |
| SHA256 | 8c3dfd27011ce456c989a1f8ebcb023db449af013a6e3b894fc7c5ba8b003494 |
| SHA512 | 388dab6a3db1793909c4d6821f95c26f0a36f72e4d9e227b424d7e15abc7fc874f5c1cc5eed92dbcc27433444defbdd3799a1cc6f69fbd69a2973b3f8ab062db |
C:\Users\Admin\AppData\Local\Temp\tmpAC09.tmp.bat
| MD5 | 52c5bdab455c24867afc562414483c94 |
| SHA1 | 155cd1a9be6ce083a931023c99064aa6cc6108ae |
| SHA256 | 8c3dfd27011ce456c989a1f8ebcb023db449af013a6e3b894fc7c5ba8b003494 |
| SHA512 | 388dab6a3db1793909c4d6821f95c26f0a36f72e4d9e227b424d7e15abc7fc874f5c1cc5eed92dbcc27433444defbdd3799a1cc6f69fbd69a2973b3f8ab062db |
\Users\Admin\AppData\Local\Temp\windows.exe
| MD5 | 66b5dabec55deb65ac6ecdbb385c9181 |
| SHA1 | 8485dc1ecf501916e3850521e81112fccdfaa110 |
| SHA256 | 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138 |
| SHA512 | 28ff7068f0d8c1d7e0de8a6129d64db7d566868dc93e9bb8ba4de737d11483f8dd52edc6f67799cdf3396109061835bce472a2123477bb9304f1ff902ffdffb8 |
C:\Users\Admin\AppData\Local\Temp\windows.exe
| MD5 | 66b5dabec55deb65ac6ecdbb385c9181 |
| SHA1 | 8485dc1ecf501916e3850521e81112fccdfaa110 |
| SHA256 | 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138 |
| SHA512 | 28ff7068f0d8c1d7e0de8a6129d64db7d566868dc93e9bb8ba4de737d11483f8dd52edc6f67799cdf3396109061835bce472a2123477bb9304f1ff902ffdffb8 |
C:\Users\Admin\AppData\Local\Temp\windows.exe
| MD5 | 66b5dabec55deb65ac6ecdbb385c9181 |
| SHA1 | 8485dc1ecf501916e3850521e81112fccdfaa110 |
| SHA256 | 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138 |
| SHA512 | 28ff7068f0d8c1d7e0de8a6129d64db7d566868dc93e9bb8ba4de737d11483f8dd52edc6f67799cdf3396109061835bce472a2123477bb9304f1ff902ffdffb8 |
memory/656-68-0x0000000001020000-0x0000000001074000-memory.dmp
memory/656-69-0x0000000004C70000-0x0000000004CB0000-memory.dmp
memory/656-70-0x0000000004C70000-0x0000000004CB0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-21 13:26
Reported
2023-03-21 13:28
Platform
win10v2004-20230221-en
Max time kernel
146s
Max time network
148s
Command Line
Signatures
AsyncRat
Async RAT payload
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\windows.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\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\windows.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe
"C:\Users\Admin\AppData\Local\Temp\9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windows" /tr '"C:\Users\Admin\AppData\Local\Temp\windows.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDA57.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "windows" /tr '"C:\Users\Admin\AppData\Local\Temp\windows.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Local\Temp\windows.exe
"C:\Users\Admin\AppData\Local\Temp\windows.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 52.152.110.14:443 | tcp | |
| US | 52.152.110.14:443 | tcp | |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.25.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 20.42.73.25:443 | tcp | |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 8.8.8.8:53 | 55.154.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.74.101.95.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 202.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| NL | 173.223.113.164:443 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:7707 | tcp | |
| N/A | 127.0.0.1:7707 | tcp | |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| US | 8.8.8.8:53 | jntrojan.ddns.net | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| N/A | 127.0.0.1:7707 | tcp |
Files
memory/4828-133-0x00000000003B0000-0x0000000000404000-memory.dmp
memory/4828-134-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
memory/4828-135-0x00000000050C0000-0x000000000515C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpDA57.tmp.bat
| MD5 | 5ff62692c72c2ccb98f75a5a5e62aa97 |
| SHA1 | 10ce1835590bd1de7e07429203faf59f2207f395 |
| SHA256 | 7fe4d7689d052fa576c1c61198a0db0a9f714912ac71ad8a597654560e4f7760 |
| SHA512 | 7e44282136a8b591239990e65b02251299a8c4e5355014dfa0f6c6f3f8604faf6a5c55179b1ae9724bb49c4a05b6b68e0b5e208de632bdd18f3034c9e7714b33 |
C:\Users\Admin\AppData\Local\Temp\windows.exe
| MD5 | 66b5dabec55deb65ac6ecdbb385c9181 |
| SHA1 | 8485dc1ecf501916e3850521e81112fccdfaa110 |
| SHA256 | 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138 |
| SHA512 | 28ff7068f0d8c1d7e0de8a6129d64db7d566868dc93e9bb8ba4de737d11483f8dd52edc6f67799cdf3396109061835bce472a2123477bb9304f1ff902ffdffb8 |
C:\Users\Admin\AppData\Local\Temp\windows.exe
| MD5 | 66b5dabec55deb65ac6ecdbb385c9181 |
| SHA1 | 8485dc1ecf501916e3850521e81112fccdfaa110 |
| SHA256 | 9a8f8b44910d4c35a64244354966ce7bdd3bdff9189feee1d8e98b094c855138 |
| SHA512 | 28ff7068f0d8c1d7e0de8a6129d64db7d566868dc93e9bb8ba4de737d11483f8dd52edc6f67799cdf3396109061835bce472a2123477bb9304f1ff902ffdffb8 |
memory/4456-144-0x0000000005440000-0x0000000005450000-memory.dmp
memory/4456-145-0x0000000005440000-0x0000000005450000-memory.dmp