Analysis Overview
SHA256
ca7b743a5c9d25017b61f0f3d561409aa558cd9891ad07a61f6726796a3c94dd
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
LatentBot
Latentbot family
Quasar family
Quasar payload
Quasar RAT
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Uses Task Scheduler COM API
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-15 13:44
Signatures
Quasar family
Quasar payload
| 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
2025-03-15 13:44
Reported
2025-03-15 13:46
Platform
win7-20240903-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
LatentBot
Latentbot family
Quasar RAT
Quasar family
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\Roaming\Runtime\RuntimeBroker.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe
"C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cheezeyballs.zapto.org | udp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| US | 8.8.8.8:53 | cheezeyballs.zapto.org | udp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| US | 8.8.8.8:53 | cheezeyballs.zapto.org | udp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | tcp |
| DE | 91.51.36.43:4847 | tcp |
Files
memory/2140-0-0x000007FEF5CC3000-0x000007FEF5CC4000-memory.dmp
memory/2140-1-0x0000000000180000-0x0000000000238000-memory.dmp
memory/2140-2-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe
| MD5 | 34a8c705e2bd75f4956b2cb6fdcef493 |
| SHA1 | 97024b73c67021cdda06b78bb042d1c17e6e38d4 |
| SHA256 | ca7b743a5c9d25017b61f0f3d561409aa558cd9891ad07a61f6726796a3c94dd |
| SHA512 | 6f65a700ac682b1066bd95fe62e9eee1194ca86462833e7b961a7f00b8525fca1d3f6fbf799d9bf0364446552d32913358d47ce15b9ab310b6ae463fa673acf5 |
memory/2836-10-0x0000000000870000-0x0000000000928000-memory.dmp
memory/2836-9-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
memory/2140-8-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
memory/2836-11-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
memory/2836-12-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
memory/2836-13-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-03-15 13:44
Reported
2025-03-15 13:46
Platform
win10v2004-20250314-en
Max time kernel
104s
Max time network
132s
Command Line
Signatures
LatentBot
Latentbot family
Quasar RAT
Quasar family
Quasar payload
| 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-1-5-21-3920955164-3782810283-1225622749-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe
"C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe" /rl HIGHEST /f
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /delete /tn "RuntimeBroker" /f
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Ps3WxA0h6rcn.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | cheezeyballs.zapto.org | udp |
| DE | 91.51.36.43:4847 | cheezeyballs.zapto.org | 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 | c.pki.goog | udp |
| GB | 142.250.200.35:80 | c.pki.goog | tcp |
Files
memory/5184-0-0x00007FFF46BB3000-0x00007FFF46BB5000-memory.dmp
memory/5184-1-0x0000000000180000-0x0000000000238000-memory.dmp
memory/5184-2-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp
C:\Users\Admin\AppData\Roaming\Runtime\RuntimeBroker.exe
| MD5 | 34a8c705e2bd75f4956b2cb6fdcef493 |
| SHA1 | 97024b73c67021cdda06b78bb042d1c17e6e38d4 |
| SHA256 | ca7b743a5c9d25017b61f0f3d561409aa558cd9891ad07a61f6726796a3c94dd |
| SHA512 | 6f65a700ac682b1066bd95fe62e9eee1194ca86462833e7b961a7f00b8525fca1d3f6fbf799d9bf0364446552d32913358d47ce15b9ab310b6ae463fa673acf5 |
memory/5208-10-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp
memory/5184-9-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp
memory/5208-11-0x000000001D100000-0x000000001D150000-memory.dmp
memory/5208-12-0x000000001D210000-0x000000001D2C2000-memory.dmp
memory/5208-13-0x000000001D190000-0x000000001D1A2000-memory.dmp
memory/5208-14-0x000000001DA10000-0x000000001DA4C000-memory.dmp
memory/5208-15-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Ps3WxA0h6rcn.bat
| MD5 | 41ed8ed80cdd58aea7b172cfc3d991c7 |
| SHA1 | a637f745b6149edc1115ece5053b98c2f74c2ea7 |
| SHA256 | 6072e24c4d199509e6023d3a0abb42e9ff3f55bb4337cd66ac5c0c9a10e00c6a |
| SHA512 | 6edf3802976f1b0bc4cf7389fbaa66716256bc084bb66cb3c4bd0008c6ae3e0afe549d38ce3ee49c7798d51768c7fbca90f02e29e7799e510c76b23695713d32 |
memory/5208-21-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp