Analysis
- max time kernel
1797s - max time network
1807s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
02/03/2024, 22:38
General
- Target Fake AV/AntivirusPro2017.exe
- Size 816KB
- Sample240302-2kwptaae37
- SHA256 312f082ea8f64609d30ff62b11f564107bf7a4ec9e95944dfd3da57c6cdb4e94
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 56 IoCs
- Suspicious use of SendNotifyMessage 56 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Fake AV\AntivirusPro2017.exe"C:\Users\Admin\AppData\Local\Temp\Fake AV\AntivirusPro2017.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
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=1412 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:81⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x50c 0x4241⤵
- Suspicious use of AdjustPrivilegeToken
-
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=3952 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/4604-0-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-1-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/4604-2-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-4-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-5-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-6-0x0000000000B50000-0x0000000000B51000-memory.dmp
memory/4604-7-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-8-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-9-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-10-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-11-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-12-0x0000000000B50000-0x0000000000B51000-memory.dmp
memory/4604-13-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-14-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-15-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-16-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-17-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-18-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-19-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-20-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-21-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-22-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-23-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-24-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-25-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-26-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-27-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-28-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-29-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-30-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-47-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-59-0x0000000000400000-0x0000000000A06000-memory.dmp
memory/4604-67-0x0000000000400000-0x0000000000A06000-memory.dmp