Analysis Overview
SHA256
530dfdd6438f1c2bf8bbcc0f94360d4de0bbdc6a79ecd4594c4b26cad5bd117e
Threat Level: Known bad
The file Adobe Photoshop 24.7 0 643 Multilingual.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Modifies WinLogon for persistence
Executes dropped EXE
Loads dropped DLL
Drops startup file
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-11 14:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 14:30
Reported
2024-06-11 14:32
Platform
win7-20240221-en
Max time kernel
148s
Max time network
119s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\Confused.exe," | C:\Windows\SysWOW64\reg.exe | N/A |
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | C:\Windows\SysWOW64\cmd.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 36 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe,"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 36
C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 39 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe" && ping 127.0.0.1 -n 39 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 39
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe,"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 39
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
Network
Files
memory/2940-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp
memory/2940-1-0x0000000000250000-0x00000000003D0000-memory.dmp
memory/2940-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp
memory/2940-3-0x0000000004C10000-0x0000000004C54000-memory.dmp
memory/2940-4-0x0000000074BDE000-0x0000000074BDF000-memory.dmp
memory/2940-5-0x0000000074BD0000-0x00000000752BE000-memory.dmp
memory/2940-6-0x0000000074BD0000-0x00000000752BE000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe
| MD5 | 40bcd7e1d9229acbf6d30b5f76848102 |
| SHA1 | f48c98b92f5b086f56c57fa8f1eb074db902697c |
| SHA256 | 530dfdd6438f1c2bf8bbcc0f94360d4de0bbdc6a79ecd4594c4b26cad5bd117e |
| SHA512 | cc64e9ba20fcb700f2d921d303594ea68fe43df15e0fa23a914a3ee9ba44e4d14bedcc375a37148c1378eb1504022e9b8f31609b7b5c03c088346d00784cee09 |
memory/932-17-0x0000000000980000-0x0000000000B00000-memory.dmp
memory/932-18-0x0000000000860000-0x000000000087A000-memory.dmp
memory/932-19-0x0000000000650000-0x0000000000656000-memory.dmp
memory/1880-20-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1880-22-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1880-26-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1880-24-0x0000000000400000-0x000000000045E000-memory.dmp
memory/1880-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 14:30
Reported
2024-06-11 14:32
Platform
win10v2004-20240426-en
Max time kernel
147s
Max time network
97s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\Confused.exe," | C:\Windows\SysWOW64\reg.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | C:\Windows\SysWOW64\cmd.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 36 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe,"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 36
C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Adobe Photoshop 24.7 0 643 Multilingual.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 45
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe,"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 45
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe"
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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 213.131.50.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/1840-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/1840-1-0x0000000000550000-0x00000000006D0000-memory.dmp
memory/1840-2-0x0000000005100000-0x000000000519C000-memory.dmp
memory/1840-3-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/1840-4-0x00000000051A0000-0x0000000005232000-memory.dmp
memory/1840-5-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1840-6-0x00000000054F0000-0x0000000005534000-memory.dmp
memory/1840-7-0x0000000005680000-0x000000000568A000-memory.dmp
memory/1840-8-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1840-9-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/1840-10-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1840-12-0x0000000074A90000-0x0000000075240000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Confused.exe
| MD5 | 40bcd7e1d9229acbf6d30b5f76848102 |
| SHA1 | f48c98b92f5b086f56c57fa8f1eb074db902697c |
| SHA256 | 530dfdd6438f1c2bf8bbcc0f94360d4de0bbdc6a79ecd4594c4b26cad5bd117e |
| SHA512 | cc64e9ba20fcb700f2d921d303594ea68fe43df15e0fa23a914a3ee9ba44e4d14bedcc375a37148c1378eb1504022e9b8f31609b7b5c03c088346d00784cee09 |
memory/4904-19-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/4904-18-0x0000000000E60000-0x0000000000FE0000-memory.dmp
memory/4904-20-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/4904-21-0x0000000074A60000-0x0000000075210000-memory.dmp