Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
23/09/2023, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe
Resource
win10-20230915-en
General
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Target
fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe
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Size
321KB
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MD5
14b3ae8430e975d51a5452484a3bcfb5
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SHA1
4b1e785d83d7b3737c59c4ee81f7ae006792596d
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SHA256
fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691
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SHA512
7e0ae58ea2b6f5261823930b973e8855dfab7c226484dd03da0a1604a39cc2e05df98624df4cc6dbc533df191af59510a0f2804986cb909f32e62b5d5db71068
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SSDEEP
3072:SJHz/qhJ3Xkbm2RfN90YZSOcM3PwFF2SC4K+7LXoUSgfkfLcrtJ4B:oHzSh9XkbjfX0YEm4FvC4K27oUtkD
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3296 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 3952 sdecveg 4436 sdecveg -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 916 set thread context of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 3952 set thread context of 4436 3952 sdecveg 71 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI sdecveg Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI sdecveg Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI sdecveg Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2636 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 2636 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found 3296 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3296 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2636 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 4436 sdecveg -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3296 Process not Found Token: SeCreatePagefilePrivilege 3296 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 916 wrote to memory of 2636 916 fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe 69 PID 3952 wrote to memory of 4436 3952 sdecveg 71 PID 3952 wrote to memory of 4436 3952 sdecveg 71 PID 3952 wrote to memory of 4436 3952 sdecveg 71 PID 3952 wrote to memory of 4436 3952 sdecveg 71 PID 3952 wrote to memory of 4436 3952 sdecveg 71 PID 3952 wrote to memory of 4436 3952 sdecveg 71 -
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
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C:\Users\Admin\AppData\Local\Temp\fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe"C:\Users\Admin\AppData\Local\Temp\fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\AppData\Local\Temp\fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe"C:\Users\Admin\AppData\Local\Temp\fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2636
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C:\Users\Admin\AppData\Roaming\sdecvegC:\Users\Admin\AppData\Roaming\sdecveg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Users\Admin\AppData\Roaming\sdecvegC:\Users\Admin\AppData\Roaming\sdecveg2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
321KB
MD514b3ae8430e975d51a5452484a3bcfb5
SHA14b1e785d83d7b3737c59c4ee81f7ae006792596d
SHA256fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691
SHA5127e0ae58ea2b6f5261823930b973e8855dfab7c226484dd03da0a1604a39cc2e05df98624df4cc6dbc533df191af59510a0f2804986cb909f32e62b5d5db71068
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Filesize
321KB
MD514b3ae8430e975d51a5452484a3bcfb5
SHA14b1e785d83d7b3737c59c4ee81f7ae006792596d
SHA256fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691
SHA5127e0ae58ea2b6f5261823930b973e8855dfab7c226484dd03da0a1604a39cc2e05df98624df4cc6dbc533df191af59510a0f2804986cb909f32e62b5d5db71068
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Filesize
321KB
MD514b3ae8430e975d51a5452484a3bcfb5
SHA14b1e785d83d7b3737c59c4ee81f7ae006792596d
SHA256fbf7afb2ded5b12702f92f5c3620486e19b6d3a15b8703d8cf80b8d30a55b691
SHA5127e0ae58ea2b6f5261823930b973e8855dfab7c226484dd03da0a1604a39cc2e05df98624df4cc6dbc533df191af59510a0f2804986cb909f32e62b5d5db71068