Analysis Overview
SHA256
305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6
Threat Level: Known bad
The file 305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe was found to be: Known bad.
Malicious Activity Summary
Detect PureCrypter injector
RevengeRAT
Quasar payload
Quasar RAT
PureCrypter
Downloads MZ/PE file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-05 16:52
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-05 16:52
Reported
2023-02-05 16:54
Platform
win7-20221111-en
Max time kernel
121s
Max time network
152s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
PureCrypter
Quasar RAT
Quasar 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 |
RevengeRAT
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Driver = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Driver.exe\"" | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 564 set thread context of 1952 | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe
"C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe"
C:\Users\Admin\AppData\Roaming\Updater-File.exe
"C:\Users\Admin\AppData\Roaming\Updater-File.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 1452
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | justnormalsite.ddns.net | udp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | youhackernetpaingodxd.duckdns.org | udp |
| US | 192.3.255.150:5557 | youhackernetpaingodxd.duckdns.org | tcp |
Files
memory/1232-54-0x0000000000860000-0x0000000000924000-memory.dmp
memory/1232-55-0x0000000006E00000-0x0000000006F56000-memory.dmp
memory/1232-56-0x0000000000260000-0x0000000000266000-memory.dmp
memory/1232-57-0x0000000076391000-0x0000000076393000-memory.dmp
\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/564-59-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/564-62-0x0000000000F80000-0x0000000000F88000-memory.dmp
memory/684-64-0x0000000000000000-mapping.dmp
memory/1232-65-0x0000000004565000-0x0000000004576000-memory.dmp
memory/564-66-0x0000000007360000-0x00000000075CE000-memory.dmp
memory/1704-67-0x0000000000000000-mapping.dmp
memory/1704-69-0x000000006C660000-0x000000006CC0B000-memory.dmp
memory/1704-70-0x000000006C660000-0x000000006CC0B000-memory.dmp
memory/1704-71-0x000000006C660000-0x000000006CC0B000-memory.dmp
memory/564-72-0x00000000051E0000-0x000000000523E000-memory.dmp
memory/1952-73-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-74-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-76-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-77-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-78-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-79-0x00000000004494BE-mapping.dmp
memory/1952-81-0x0000000000400000-0x000000000044E000-memory.dmp
memory/1952-83-0x0000000000400000-0x000000000044E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-05 16:52
Reported
2023-02-05 16:54
Platform
win10v2004-20221111-en
Max time kernel
90s
Max time network
152s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Driver = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Driver.exe\"" | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3748 set thread context of 4228 | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Updater-File.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe
"C:\Users\Admin\AppData\Local\Temp\305cfdd7d464938cabe66fcf3116df431c10742c775a4a588d38349ea18a7fb6.exe"
C:\Users\Admin\AppData\Roaming\Updater-File.exe
"C:\Users\Admin\AppData\Roaming\Updater-File.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 760 -ip 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 2112
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | justnormalsite.ddns.net | udp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| NL | 185.238.3.212:80 | justnormalsite.ddns.net | tcp |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| NL | 104.80.225.205:443 | tcp | |
| US | 8.8.8.8:53 | youhackernetpaingodxd.duckdns.org | udp |
| US | 192.3.255.150:5557 | youhackernetpaingodxd.duckdns.org | tcp |
| US | 20.189.173.11:443 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp |
Files
memory/760-132-0x0000000000360000-0x0000000000424000-memory.dmp
memory/3748-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
C:\Users\Admin\AppData\Roaming\Updater-File.exe
| MD5 | be2c9d9f3e9206eb7d809157ea37d0ea |
| SHA1 | 79fc984efb6d9e58c21f7c5dee8de2fc44710f62 |
| SHA256 | f07ca31e483745ac9fe74da53f939a797f3f8868717eb29f9f0d1286b89f6b79 |
| SHA512 | 2510583a2690be0c48614fa21d24c2919d6c4f704d897ed4bb5a523d0bbc3616bd2aba7a6b22120068a24aa756a9b6f37feeb2b8eb461b86c2eacde935478d4b |
memory/3748-136-0x00000000007E0000-0x00000000007E8000-memory.dmp
memory/3748-137-0x0000000006470000-0x0000000006492000-memory.dmp
memory/1492-138-0x0000000000000000-mapping.dmp
memory/1492-139-0x0000000002D00000-0x0000000002D36000-memory.dmp
memory/1492-140-0x00000000053E0000-0x0000000005A08000-memory.dmp
memory/1492-141-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/1492-142-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/1492-143-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/1492-144-0x0000000007960000-0x0000000007FDA000-memory.dmp
memory/1492-145-0x00000000067C0000-0x00000000067DA000-memory.dmp
memory/4228-146-0x0000000000000000-mapping.dmp
memory/4228-147-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4228-148-0x00000000056E0000-0x0000000005C84000-memory.dmp
memory/4228-149-0x0000000005260000-0x00000000052F2000-memory.dmp
memory/4228-150-0x0000000006270000-0x0000000006282000-memory.dmp
memory/4228-151-0x00000000066B0000-0x00000000066EC000-memory.dmp
memory/4228-152-0x0000000006A20000-0x0000000006A2A000-memory.dmp