Analysis Overview
SHA256
5855aec848037736bc17bb493f326b5354022bba6c3767755dc8a415adc34e2d
Threat Level: Known bad
The file 2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Detects Windows executables referencing non-Windows User-Agents
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Quasar family
Detects executables containing common artifacts observed in infostealers
Detects Windows executables referencing non-Windows User-Agents
Detects executables containing common artifacts observed in infostealers
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-16 15:27
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
2024-04-16 15:27
Reported
2024-04-16 15:29
Platform
win7-20240221-en
Max time kernel
128s
Max time network
141s
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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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/2900-5-0x00000000009E0000-0x0000000000D04000-memory.dmp
memory/2900-6-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp
memory/2900-7-0x000000001B280000-0x000000001B300000-memory.dmp
memory/2584-13-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp
memory/2584-14-0x0000000000360000-0x0000000000684000-memory.dmp
memory/2900-15-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp
memory/2584-16-0x000000001B300000-0x000000001B380000-memory.dmp
memory/2584-17-0x000007FEF6210000-0x000007FEF6BFC000-memory.dmp
memory/2584-18-0x000000001B300000-0x000000001B380000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-16 15:27
Reported
2024-04-16 15:29
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
158s
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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_icedid_xrat.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_bc03059f709594662ca9f9f0e33bc7bd_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
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sign.deitie.asia | udp |
| US | 20.231.121.79:80 | tcp | |
| CN | 62.234.45.248:443 | sign.deitie.asia | tcp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mx5.deitie.asia | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 9.139.73.23.in-addr.arpa | udp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| CN | 114.116.244.244:4495 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | mx5.deitie.asia | tcp |
| US | 8.8.8.8:53 | 174.117.168.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
| MD5 | 7498d554976744dfbd271ba755c6c192 |
| SHA1 | ec733d01e776518e387d2f51d1a6559b81f03b1e |
| SHA256 | 44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7 |
| SHA512 | d4e987d0e6235001fac4ae3a634e8fe98c6830e26a6a6876fbc36262842688d3ec301cff75003d2af695cdfd357ac50919946695b7d5d3293ebcba97153e1030 |
memory/2532-4-0x0000000000D20000-0x0000000001044000-memory.dmp
memory/2532-5-0x00007FFBEE9A0000-0x00007FFBEF461000-memory.dmp
memory/2532-6-0x0000000001830000-0x0000000001840000-memory.dmp
memory/2532-13-0x00007FFBEE9A0000-0x00007FFBEF461000-memory.dmp
memory/2300-14-0x00007FFBEE9A0000-0x00007FFBEF461000-memory.dmp
memory/2300-15-0x000000001BD60000-0x000000001BD70000-memory.dmp
memory/2300-16-0x000000001BC80000-0x000000001BCD0000-memory.dmp
memory/2300-17-0x000000001C990000-0x000000001CA42000-memory.dmp
memory/2300-18-0x00007FFBEE9A0000-0x00007FFBEF461000-memory.dmp
memory/2300-19-0x000000001BD60000-0x000000001BD70000-memory.dmp