Analysis
- max time kernel
278s - max time network
312s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/06/2024, 07:38
General
- Target loadervmp.exe
- Size 409KB
- Sample240601-jgtf6sec2w
- SHA256 018f75f18b882044109f250f19da654c0b3bd90430b318fcb03348908a189aae
Malware Config
Extracted
-
quasar
-
3.1.5
-
SeroXen
-
panel-slave.gl.at.ply.gg:57059
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panel-slave.gl.at.ply.gg:27892
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$Sxr-rpL8EItHN3pqIQQVy2
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encryption_key
ZJpQQkxTrak9Zs9tUOQW
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install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
SeroXen
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 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.
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"C:\Users\Admin\AppData\Local\Temp\loadervmp.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\loadervmp.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
-
-
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C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77loadervmp.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\loadervmp.exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
-
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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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1080-21-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/1080-20-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/1080-19-0x0000000006C00000-0x0000000006C0A000-memory.dmp
memory/1080-15-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/1080-14-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/4860-8-0x00000000063E0000-0x000000000641C000-memory.dmp
memory/4860-7-0x0000000005FA0000-0x0000000005FB2000-memory.dmp
memory/4860-0-0x00000000753BE000-0x00000000753BF000-memory.dmp
memory/4860-6-0x0000000005190000-0x00000000051F6000-memory.dmp
memory/4860-5-0x00000000753BE000-0x00000000753BF000-memory.dmp
memory/4860-4-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/4860-17-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/4860-3-0x0000000005220000-0x00000000052B2000-memory.dmp
memory/4860-2-0x00000000056D0000-0x0000000005C74000-memory.dmp
memory/4860-1-0x0000000000700000-0x000000000076C000-memory.dmp