Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/03/2024, 03:39
General
- Target dcf2d18e022b2069a9e9a9d4190af36473fd358e3f9a413d723dd094e1fe9c4e.exe
- Size 140KB
- Sample240329-d7wrbshd38
- SHA256 dcf2d18e022b2069a9e9a9d4190af36473fd358e3f9a413d723dd094e1fe9c4e
Malware Config
Extracted
-
xworm
-
ipv4.3utilities.com:7000
-
Install_directory
%LocalAppData%
-
install_file
Display Control Panel.exe
Signatures
- Detect Xworm Payload 2 IoCs
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Detects Windows executables referencing non-Windows User-Agents 2 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing credit card regular expressions 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 3 IoCs
- 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 physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\dcf2d18e022b2069a9e9a9d4190af36473fd358e3f9a413d723dd094e1fe9c4e.exe"C:\Users\Admin\AppData\Local\Temp\dcf2d18e022b2069a9e9a9d4190af36473fd358e3f9a413d723dd094e1fe9c4e.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Display Control Panel" /tr "C:\Users\Admin\AppData\Local\Display Control Panel.exe"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Display Control Panel.exe"C:\Users\Admin\AppData\Local\Display Control Panel.exe"1⤵
- Executes dropped EXE
- 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=3728 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵
-
C:\Users\Admin\AppData\Local\Display Control Panel.exe"C:\Users\Admin\AppData\Local\Display Control Panel.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Display Control Panel.exe"C:\Users\Admin\AppData\Local\Display Control Panel.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Display Control Panel.exe
Display Control Panel.exe.log
memory/2960-58-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/2960-57-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/3264-55-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/3264-54-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/4628-12-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/4628-9-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/5076-13-0x000000001CF20000-0x000000001D03E000-memory.dmp
memory/5076-14-0x0000000001390000-0x00000000013A0000-memory.dmp
memory/5076-50-0x000000001BEA0000-0x000000001BEC2000-memory.dmp
memory/5076-0-0x0000000000B90000-0x0000000000BB8000-memory.dmp
memory/5076-10-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp
memory/5076-6-0x0000000001390000-0x00000000013A0000-memory.dmp
memory/5076-1-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp