Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
01/09/2024, 21:32
General
- Target Trusteer.exe
- Size 3.3MB
- Sample240901-1dp31sshna
- SHA256 2ad801c4a4f232b02c940858d69c3d3608c6df1606b73c76494e1d7d0d30e761
Malware Config
Signatures
- Osiris
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 1 IoCs
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"C:\Users\Admin\AppData\Local\Temp\Trusteer.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"3⤵
- Executes dropped EXE
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-
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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 --field-trial-handle=4396,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
GetX64BTIT.exe
x64btit.txt
memory/368-42-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-33-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-22-0x0000000000400000-0x0000000000456000-memory.dmp
memory/368-41-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-44-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-34-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-45-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-43-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-32-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-31-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-30-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-25-0x0000000000400000-0x0000000000456000-memory.dmp
memory/368-29-0x0000000000460000-0x00000000004FF000-memory.dmp
memory/368-28-0x0000000000400000-0x0000000000456000-memory.dmp
memory/4848-10-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-26-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
memory/4848-18-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-19-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-20-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-21-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-16-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-23-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-15-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-14-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-13-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-17-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-12-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-11-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-0-0x0000000000D30000-0x00000000018AE000-memory.dmp
memory/4848-2-0x0000000005CC0000-0x0000000005CC1000-memory.dmp
memory/4848-3-0x0000000005CD0000-0x0000000005CD1000-memory.dmp
memory/4848-4-0x0000000005D00000-0x0000000005D01000-memory.dmp
memory/4848-5-0x0000000005CB0000-0x0000000005CB1000-memory.dmp
memory/4848-6-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/4848-7-0x0000000005D20000-0x0000000005D21000-memory.dmp
memory/4848-8-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/4848-9-0x0000000005CA0000-0x0000000005CA1000-memory.dmp
memory/4848-1-0x0000000077C84000-0x0000000077C86000-memory.dmp