Analysis Overview
SHA256
3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241
Threat Level: Known bad
The file 3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241 was found to be: Known bad.
Malicious Activity Summary
Quasar family
Azorult
Quasar RAT
Quasar payload
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Enumerates connected drives
Looks up external IP address via web service
Suspicious use of SetThreadContext
AutoIT Executable
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-02 20:43
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-02 20:43
Reported
2024-07-02 20:46
Platform
win7-20240611-en
Max time kernel
3s
Max time network
118s
Command Line
Signatures
Azorult
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vnc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\windef.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe | N/A |
Loads dropped DLL
Enumerates connected drives
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 2044 set thread context of 2664 | N/A | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.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\vnc.exe |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\windef.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe
"C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe"
C:\Users\Admin\AppData\Local\Temp\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k
C:\Users\Admin\AppData\Local\Temp\windef.exe
"C:\Users\Admin\AppData\Local\Temp\windef.exe"
C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe
"C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 160
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0x21.in | udp |
| US | 44.221.84.105:8000 | 0x21.in | tcp |
| US | 8.8.8.8:53 | 0x21.in | udp |
| US | 44.221.84.105:8000 | 0x21.in | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| RU | 5.8.88.191:443 | tcp |
Files
\Users\Admin\AppData\Local\Temp\vnc.exe
| MD5 | b8ba87ee4c3fc085a2fed0d839aadce1 |
| SHA1 | b3a2e3256406330e8b1779199bb2b9865122d766 |
| SHA256 | 4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4 |
| SHA512 | 7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2 |
memory/2664-40-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2664-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2664-30-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2664-28-0x0000000000080000-0x00000000000A0000-memory.dmp
\Users\Admin\AppData\Local\Temp\windef.exe
| MD5 | b4a202e03d4135484d0e730173abcc72 |
| SHA1 | 01b30014545ea526c15a60931d676f9392ea0c70 |
| SHA256 | 7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9 |
| SHA512 | 632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb |
memory/2044-44-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/2728-46-0x0000000000F80000-0x0000000000FDE000-memory.dmp
memory/2812-60-0x0000000001000000-0x000000000105E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-02 20:43
Reported
2024-07-02 20:46
Platform
win10v2004-20240508-en
Max time kernel
4s
Max time network
84s
Command Line
Signatures
Azorult
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 |
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\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vnc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\windef.exe | N/A |
Enumerates connected drives
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
| N/A | ip-api.com | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2604 set thread context of 3772 | N/A | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe | C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe |
Enumerates physical storage devices
Program crash
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\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\windef.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe
"C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe"
C:\Users\Admin\AppData\Local\Temp\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Users\Admin\AppData\Local\Temp\windef.exe
"C:\Users\Admin\AppData\Local\Temp\windef.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1668 -ip 1668
C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe
"C:\Users\Admin\AppData\Local\Temp\3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 548
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
C:\Users\Admin\AppData\Local\Temp\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k
C:\Users\Admin\AppData\Local\Temp\windef.exe
"C:\Users\Admin\AppData\Local\Temp\windef.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4704 -ip 4704
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 520
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rqL9Of0FTAtJ.bat" "
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4488 -ip 4488
C:\Windows\SysWOW64\chcp.com
chcp 65001
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1944
C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4172 -ip 4172
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 1608
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0x21.in | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | 0x21.in | udp |
| US | 8.8.8.8:53 | freegeoip.net | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| RU | 5.8.88.191:443 | tcp | |
| US | 8.8.8.8:53 | sockartek.icu | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\vnc.exe
| MD5 | b8ba87ee4c3fc085a2fed0d839aadce1 |
| SHA1 | b3a2e3256406330e8b1779199bb2b9865122d766 |
| SHA256 | 4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4 |
| SHA512 | 7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2 |
C:\Users\Admin\AppData\Local\Temp\windef.exe
| MD5 | b4a202e03d4135484d0e730173abcc72 |
| SHA1 | 01b30014545ea526c15a60931d676f9392ea0c70 |
| SHA256 | 7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9 |
| SHA512 | 632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb |
memory/2604-19-0x0000000003D60000-0x0000000003D61000-memory.dmp
memory/752-20-0x000000007395E000-0x000000007395F000-memory.dmp
memory/3772-29-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3772-21-0x0000000000400000-0x0000000000420000-memory.dmp
memory/752-30-0x0000000000F50000-0x0000000000FAE000-memory.dmp
memory/752-33-0x0000000005E50000-0x00000000063F4000-memory.dmp
memory/752-34-0x0000000005A60000-0x0000000005AF2000-memory.dmp
memory/752-35-0x00000000059B0000-0x0000000005A16000-memory.dmp
memory/752-36-0x0000000005E20000-0x0000000005E32000-memory.dmp
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
| MD5 | 090f3c8e5958acc1b7b1781221d7af05 |
| SHA1 | 0471bd3089aff5545b189fd8574f55fd1f7dfaa1 |
| SHA256 | 424eb7502e89ee0572170d159c5d62685365e53557f9a5ad2bade534b43b75bd |
| SHA512 | 83c8095ffd4d2f149cd028cc042178061b6fcd635dc5e84af72b7718a3b84cb64f7498d44c33290a4278de088885b09cd13807762fe6172467a2b8f295b08c04 |
memory/752-47-0x000000007395E000-0x000000007395F000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log
| MD5 | 5de8527438c860bfa3140dc420a03e52 |
| SHA1 | 235af682986b3292f20d8d71a8671353f5d6e16d |
| SHA256 | d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92 |
| SHA512 | 77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8 |
memory/4488-63-0x00000000061F0000-0x00000000061FA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rqL9Of0FTAtJ.bat
| MD5 | 1c65f635a959f19057032caf4b8c3f0b |
| SHA1 | 78d4264f3481898f324d7af115ee4aab25446122 |
| SHA256 | 36920897115cc37ce8da8177e3c1aa00ff44b486dbd6c39958873683c4d92f21 |
| SHA512 | 7251935499ba0a2b65224b4597148119b5aa3a1ee72103b4842a3eaab815824fc188f3d6e3f6311d99f05cb835cf6d8cfc49e36ad54b069140e8f1112ce38bfc |