Analysis
- max time kernel
127s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/06/2024, 02:39
General
- Target 90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe
- Size 409KB
- Sample240630-c5evcswdpk
- SHA256 90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962
Malware Config
Extracted
-
quasar
-
3.1.5
-
SeroXen
-
feel-barcelona.gl.at.ply.gg:47655
-
$Sxr-GV6wZsGZZMeZ3qfenc
-
encryption_key
OyypB9RDbCUrmPK8uTim
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Windows Defender Anti-Malware Disable Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\90a58064c6df293fc564fa5b616c737f6fd31f6288433da2030ec56d6dc46962.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
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 --field-trial-handle=4092,i,14221647728265121051,6840906015709541562,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/228-0-0x000000007527E000-0x000000007527F000-memory.dmp
memory/228-1-0x0000000000CF0000-0x0000000000D5C000-memory.dmp
memory/228-2-0x0000000005D70000-0x0000000006314000-memory.dmp
memory/228-3-0x00000000057C0000-0x0000000005852000-memory.dmp
memory/228-4-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/228-5-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/228-6-0x0000000005D10000-0x0000000005D22000-memory.dmp
memory/228-7-0x0000000006C00000-0x0000000006C3C000-memory.dmp
memory/228-9-0x00000000070C0000-0x00000000070CA000-memory.dmp
memory/228-10-0x000000007527E000-0x000000007527F000-memory.dmp
memory/228-11-0x0000000075270000-0x0000000075A20000-memory.dmp