Analysis Overview
SHA256
ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5
Threat Level: Known bad
The file ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 03:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 03:03
Reported
2024-11-04 03:10
Platform
win7-20241010-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
Enumerates physical storage devices
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:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | N/A |
| 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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe
"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5')
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote startup_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\SCV.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
Network
| Country | Destination | Domain | Proto |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp | |
| NL | 193.124.205.71:5228 | tcp |
Files
memory/2772-0-0x000007FEF5583000-0x000007FEF5584000-memory.dmp
memory/2772-1-0x00000000000C0000-0x00000000001F2000-memory.dmp
memory/2156-6-0x0000000002550000-0x00000000025D0000-memory.dmp
memory/2156-7-0x000000001B370000-0x000000001B652000-memory.dmp
memory/2156-8-0x00000000023A0000-0x00000000023A8000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 5f92916b1726cf808a41516863b07524 |
| SHA1 | 61cccbfff89b7a14450d4f77333866ccbecd3f71 |
| SHA256 | 3c36ccbdd19677864893a66cbf67c16f18059e601f65297613b0d0ec0bf8dbcd |
| SHA512 | 862d252b649985f9a6dae12d0f9b850607792d733bb1ff828768c40e39db6713b6ce95e33c886f46a895ebb884a66894119cc51655f94867a9944322b4a4196e |
memory/1896-14-0x000000001B2C0000-0x000000001B5A2000-memory.dmp
memory/1896-15-0x0000000002570000-0x0000000002578000-memory.dmp
memory/2772-17-0x000000001B860000-0x000000001BB84000-memory.dmp
memory/2772-18-0x000007FEF5583000-0x000007FEF5584000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 03:03
Reported
2024-11-04 03:10
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | N/A |
Enumerates physical storage devices
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
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 744 wrote to memory of 340 | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 744 wrote to memory of 340 | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 744 wrote to memory of 3236 | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 744 wrote to memory of 3236 | N/A | C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe
"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5')
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote startup_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\SCV.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 193.124.205.71:5228 | 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 | 71.205.124.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 102.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/744-0-0x00007FF9158F3000-0x00007FF9158F5000-memory.dmp
memory/744-1-0x00000000005F0000-0x0000000000722000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d24sdmx0.l1f.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/340-11-0x0000029E48AC0000-0x0000029E48AE2000-memory.dmp
memory/340-12-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp
memory/340-13-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp
memory/340-14-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp
memory/340-15-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp
memory/340-18-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 661739d384d9dfd807a089721202900b |
| SHA1 | 5b2c5d6a7122b4ce849dc98e79a7713038feac55 |
| SHA256 | 70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf |
| SHA512 | 81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | cc2ce575753731574bf10ff6e5162032 |
| SHA1 | b660e5156f97af770e5d359fdd2a6ea697f359fb |
| SHA256 | c0c37fd6fb26d101e347a1e9b5190029bb591d8c57392dbf2df4741b11fc2dfa |
| SHA512 | 715bb49c3977d51ff39b0458b99c5e3ba786e3110a4015402cd023b484ff385704475238fb813d074524d76bc733b0d4e92b57b64d187b3d6a664e4f38eebc1b |
memory/744-32-0x000000001BC40000-0x000000001BF64000-memory.dmp
memory/744-33-0x000000001C050000-0x000000001C0A0000-memory.dmp
memory/744-34-0x000000001DE00000-0x000000001DEB2000-memory.dmp
memory/744-37-0x000000001DD80000-0x000000001DD92000-memory.dmp
memory/744-38-0x000000001E900000-0x000000001E93C000-memory.dmp
memory/744-39-0x00007FF9158F3000-0x00007FF9158F5000-memory.dmp