Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2023, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe
Resource
win10v2004-20230915-en
General
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Target
4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe
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Size
293KB
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MD5
85b05ade1159c68efbb6ed097f6d5586
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SHA1
6ae0639f645e0beff5aeeae7307bc46ce828baf9
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SHA256
4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f
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SHA512
bb8077c6c2cba776f64eafe493887f9d7d542d36b011b23ef71767208f02f3cd469c95b83fe4944211acf26d4cefb2e2a5a921ef626980fbca23556d22299828
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SSDEEP
3072:u6DXupzS2vDXrBxDIDuSOyZXoaGj3Qc/RA+uUfdOU5g85ve:X7uZS4dxwuXyZXmXS+u6dOmg8F
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1484 set thread context of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 4356 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3188 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4356 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 PID 1484 wrote to memory of 4356 1484 4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe 86 -
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\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"C:\Users\Admin\AppData\Local\Temp\4b58638cdfb9a5264397c697d55ffc2e042bff4661a1963a0a93ee27f6c2ee3f.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4356
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