Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23/12/2022, 06:03
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
229KB
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MD5
03576bfa0996dad8e0e5aa34744c1bfb
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SHA1
d26acf1ed7f2ea6512433ca6f8fb0d01d72eb223
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SHA256
5053c91d85868791732ce0935a59c0702d2580e50a78b2515947fed6aeaaef0e
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SHA512
39bda2bd006c3148d86a4a2f786ce3ca41f455bf03ab0294b6ffa05163c3f37bf58a15c1bfcbb0bb9821b15719522611e8242f46d311a5faf0aaf957d6a40d76
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SSDEEP
3072:JJiLTCvf5a2uZqr5kxx8nImfrJGUEQRU7lu+oukzQ89WBkOuRGK:viLTV26ql+8nzVRU7sukEcpjcK
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4764-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4872-135-0x00000000008C0000-0x00000000008C9000-memory.dmp family_smokeloader behavioral2/memory/4764-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4764-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4872 set thread context of 4764 4872 file.exe 80 -
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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4764 file.exe 4764 file.exe 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1108 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4764 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4764 4872 file.exe 80 PID 4872 wrote to memory of 4764 4872 file.exe 80 PID 4872 wrote to memory of 4764 4872 file.exe 80 PID 4872 wrote to memory of 4764 4872 file.exe 80 PID 4872 wrote to memory of 4764 4872 file.exe 80 PID 4872 wrote to memory of 4764 4872 file.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4764
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