Analysis
- max time kernel
150s - max time network
115s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
31/03/2023, 01:10
General
- Target setup.exe
- Size 226KB
- Sample230331-bjd59shd8v
- SHA256 ed12be618473902b7d05aec6def6e02a1aaee7e9b2f21866d2a3104c16a2832c
Malware Config
Extracted
-
smokeloader
-
lab
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 6 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/636-138-0x0000000000400000-0x0000000000409000-memory.dmp
memory/636-134-0x0000000000400000-0x0000000000409000-memory.dmp
memory/636-136-0x0000000000400000-0x0000000000409000-memory.dmp
memory/732-158-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-137-0x00000000010E0000-0x00000000010F6000-memory.dmp
memory/732-145-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-146-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-147-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-148-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-149-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-150-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-151-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-152-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-153-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-154-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-155-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-156-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-157-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-178-0x00000000010A0000-0x00000000010A2000-memory.dmp
memory/732-160-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-159-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-171-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-162-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-163-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-164-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-165-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-166-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-167-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-168-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-169-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-170-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-161-0x00000000075C0000-0x00000000075D0000-memory.dmp
memory/732-172-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-173-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-174-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-175-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-176-0x0000000001260000-0x0000000001270000-memory.dmp
memory/732-177-0x0000000001260000-0x0000000001270000-memory.dmp
memory/4108-135-0x00000000001F0000-0x00000000001F9000-memory.dmp