Analysis Overview
SHA256
071fed2284f56078a1f541e8f9915eb908548bef0548d8672e3237972423cbe9
Threat Level: Known bad
The file 2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Detects Windows executables referencing non-Windows User-Agents
Quasar family
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects executables containing common artifacts observed in infostealers
Quasar payload
Detects executables containing common artifacts observed in infostealers
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects Windows executables referencing non-Windows User-Agents
Executes dropped EXE
Drops startup file
Loads dropped DLL
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-11 00:24
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
2024-04-11 00:24
Reported
2024-04-11 00:27
Platform
win7-20240220-en
Max time kernel
126s
Max time network
136s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.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 behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\\sign.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sign.deitie.asia | udp |
| CN | 62.234.45.248:443 | sign.deitie.asia | tcp |
| US | 8.8.8.8:53 | mx5.deitie.asia | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
Files
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
| MD5 | 7498d554976744dfbd271ba755c6c192 |
| SHA1 | ec733d01e776518e387d2f51d1a6559b81f03b1e |
| SHA256 | 44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7 |
| SHA512 | d4e987d0e6235001fac4ae3a634e8fe98c6830e26a6a6876fbc36262842688d3ec301cff75003d2af695cdfd357ac50919946695b7d5d3293ebcba97153e1030 |
memory/2924-5-0x0000000000970000-0x0000000000C94000-memory.dmp
memory/2924-6-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
memory/2924-7-0x000000001B360000-0x000000001B3E0000-memory.dmp
memory/2924-14-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
memory/2628-13-0x0000000000290000-0x00000000005B4000-memory.dmp
memory/2628-15-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
memory/2628-16-0x0000000002520000-0x00000000025A0000-memory.dmp
memory/2628-17-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
memory/2628-18-0x0000000002520000-0x00000000025A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-11 00:24
Reported
2024-04-11 00:27
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
142s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.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 behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-11_11ac8632bfdc6befcb2e450c8cfba019_icedid_xrat.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\\sign.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.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 | sign.deitie.asia | udp |
| CN | 62.234.45.248:443 | sign.deitie.asia | tcp |
| US | 8.8.8.8:53 | mx5.deitie.asia | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | tcp |
Files
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
| MD5 | 7498d554976744dfbd271ba755c6c192 |
| SHA1 | ec733d01e776518e387d2f51d1a6559b81f03b1e |
| SHA256 | 44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7 |
| SHA512 | d4e987d0e6235001fac4ae3a634e8fe98c6830e26a6a6876fbc36262842688d3ec301cff75003d2af695cdfd357ac50919946695b7d5d3293ebcba97153e1030 |
memory/2656-4-0x0000000000620000-0x0000000000944000-memory.dmp
memory/2656-5-0x00007FF99C960000-0x00007FF99D421000-memory.dmp
memory/2656-6-0x0000000001210000-0x0000000001220000-memory.dmp
memory/3424-14-0x000000001BC10000-0x000000001BC20000-memory.dmp
memory/3424-13-0x00007FF99C960000-0x00007FF99D421000-memory.dmp
memory/3424-15-0x0000000002F00000-0x0000000002F50000-memory.dmp
memory/3424-16-0x000000001DAA0000-0x000000001DB52000-memory.dmp
memory/2656-17-0x00007FF99C960000-0x00007FF99D421000-memory.dmp
memory/3424-18-0x00007FF99C960000-0x00007FF99D421000-memory.dmp