Analysis
- max time kernel
300s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20231215-en - resource tags
- submitted
01/01/2024, 04:48
General
- Target 186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6.exe
- Size 202KB
- Sample240101-fffbdabgfj
- SHA256 186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- NSIS installer 6 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 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\186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6.exe"C:\Users\Admin\AppData\Local\Temp\186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6.exe"C:\Users\Admin\AppData\Local\Temp\186dcac6a7f97d2530db2b4d2f2470083be2a172f88705d13e460424a8912fc6.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\2F9.exeC:\Users\Admin\AppData\Local\Temp\2F9.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\1190.exeC:\Users\Admin\AppData\Local\Temp\1190.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Roaming\adtrjrtC:\Users\Admin\AppData\Roaming\adtrjrt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\adtrjrtC:\Users\Admin\AppData\Roaming\adtrjrt2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
1190.exe
1190.exe
2F9.exe
WindowsUpdater.exe
WindowsUpdater.exe
adtrjrt
lib.dll
System.dll
memory/520-23-0x00000000009B0000-0x0000000000F46000-memory.dmp
memory/520-27-0x00000000009B0000-0x0000000000F46000-memory.dmp
memory/812-48-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1632-1-0x0000000000940000-0x0000000000A40000-memory.dmp
memory/1632-2-0x0000000002340000-0x0000000002349000-memory.dmp
memory/3292-47-0x0000000000F90000-0x0000000000FA6000-memory.dmp
memory/3292-6-0x0000000000F10000-0x0000000000F26000-memory.dmp
memory/3312-44-0x0000000000A50000-0x0000000000B50000-memory.dmp
memory/4660-39-0x0000000073C00000-0x0000000074317000-memory.dmp
memory/4660-40-0x0000000073C00000-0x0000000074317000-memory.dmp
memory/5008-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5008-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5008-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5008-7-0x0000000000400000-0x0000000000409000-memory.dmp