Analysis Overview
SHA256
c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582
Threat Level: Known bad
The file c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe was found to be: Known bad.
Malicious Activity Summary
Detects Windows executables referencing non-Windows User-Agents
Quasar family
Detects executables containing common artifacts observed in infostealers
Quasar payload
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Quasar RAT
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects Windows executables referencing non-Windows User-Agents
Detects executables containing common artifacts observed in infostealers
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-30 02:19
Signatures
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables containing common artifacts observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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
2024-03-30 02:19
Reported
2024-03-30 02:21
Platform
win7-20240221-en
Max time kernel
149s
Max time network
153s
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 |
| N/A | N/A | N/A | N/A |
Detects Windows executables referencing non-Windows User-Agents
| 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 |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| 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 |
Detects executables containing common artifacts observed in infostealers
| 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\SubDir\svchost.exe | N/A |
Creates scheduled task(s)
| 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\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe
"C:\Users\Admin\AppData\Local\Temp\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "svchost.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | tcp | |
| N/A | 127.0.0.1:1313 | tcp | |
| NL | 217.63.234.90:4444 | tcp |
Files
memory/2376-0-0x00000000002B0000-0x00000000005D4000-memory.dmp
memory/2376-1-0x000007FEF5870000-0x000007FEF625C000-memory.dmp
memory/2376-2-0x000000001B430000-0x000000001B4B0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | c4497b459274cec0b9fd6e3ac6c67aaa |
| SHA1 | 1c8b8e42b8284b6dc2d2741850a9c01c07a5088f |
| SHA256 | c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582 |
| SHA512 | bf64fd7a95dedd703a04cf661b35ebaa343dd7b2e907d1de20d16bcb91259b76ba9f80a817d391487eb5c4f549658ba545673b3b3f26cc45e0a16fecfff01c24 |
memory/2376-9-0x000007FEF5870000-0x000007FEF625C000-memory.dmp
memory/2992-10-0x000007FEF5870000-0x000007FEF625C000-memory.dmp
memory/2992-11-0x000000001AF00000-0x000000001AF80000-memory.dmp
memory/2992-8-0x0000000000BF0000-0x0000000000F14000-memory.dmp
memory/2992-12-0x000007FEF5870000-0x000007FEF625C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-30 02:19
Reported
2024-03-30 02:21
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
156s
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 |
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables containing common artifacts observed in infostealers
| Description | Indicator | Process | Target |
| 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\SubDir\svchost.exe | N/A |
Creates scheduled task(s)
| 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\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe
"C:\Users\Admin\AppData\Local\Temp\c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| NL | 217.63.234.90:4444 | tcp | |
| NL | 217.63.234.90:1313 | 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 | 90.234.63.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.33.115.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.141.79.40.in-addr.arpa | udp |
Files
memory/2376-0-0x0000000000B70000-0x0000000000E94000-memory.dmp
memory/2376-1-0x00007FFBD9580000-0x00007FFBDA041000-memory.dmp
memory/2376-2-0x000000001B9E0000-0x000000001B9F0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
| MD5 | c4497b459274cec0b9fd6e3ac6c67aaa |
| SHA1 | 1c8b8e42b8284b6dc2d2741850a9c01c07a5088f |
| SHA256 | c88caddc2a450135e7f7d36d8b9857628b96f97b67d782025b229034d34f9582 |
| SHA512 | bf64fd7a95dedd703a04cf661b35ebaa343dd7b2e907d1de20d16bcb91259b76ba9f80a817d391487eb5c4f549658ba545673b3b3f26cc45e0a16fecfff01c24 |
memory/2376-10-0x00007FFBD9580000-0x00007FFBDA041000-memory.dmp
memory/2168-9-0x00007FFBD9580000-0x00007FFBDA041000-memory.dmp
memory/2168-11-0x000000001AFB0000-0x000000001B000000-memory.dmp
memory/2168-12-0x000000001CC00000-0x000000001CCB2000-memory.dmp
memory/2168-15-0x000000001C380000-0x000000001C392000-memory.dmp
memory/2168-16-0x000000001D500000-0x000000001D53C000-memory.dmp
memory/2168-17-0x00007FFBD9580000-0x00007FFBDA041000-memory.dmp