Analysis
- max time kernel
150s - max time network
89s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
02/12/2023, 16:53
General
- Target ef167ad06fabec10a3eba5808a3d784c.exe
- Size 273KB
- Sample231202-vdyr9seb74
- SHA256 bc942b482e47ac775ca6574d7faaed3f75fb34d1ccc6e4cbb9e538bacd86dc52
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
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 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 6 IoCs
- Suspicious use of UnmapMainImage 1 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\ef167ad06fabec10a3eba5808a3d784c.exe"C:\Users\Admin\AppData\Local\Temp\ef167ad06fabec10a3eba5808a3d784c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ef167ad06fabec10a3eba5808a3d784c.exe"C:\Users\Admin\AppData\Local\Temp\ef167ad06fabec10a3eba5808a3d784c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 3283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4956 -ip 49561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2920-1-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/2920-2-0x0000000002CD0000-0x0000000002CD9000-memory.dmp
memory/3344-26-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-27-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-5-0x0000000002370000-0x0000000002386000-memory.dmp
memory/3344-44-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-13-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-14-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-15-0x0000000002360000-0x0000000002370000-memory.dmp
memory/3344-16-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-19-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-18-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-21-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-20-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-22-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-23-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-24-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-25-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-43-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-42-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-28-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-29-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-30-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-31-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-32-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-33-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-34-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-35-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3344-36-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-37-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-38-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-40-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-39-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/3344-41-0x00000000024E0000-0x00000000024F0000-memory.dmp
memory/4956-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4956-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4956-8-0x0000000000400000-0x0000000000409000-memory.dmp