Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
18/12/2022, 20:52
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
214KB
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MD5
69a221cd372a41f08c227f2b6658cf24
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SHA1
3ce19ac64587e7637e9e72da36a7a957b284afb3
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SHA256
6d06b1ef922c6a2dff0296630cfd1eb3a7cf59ce2ee83c05f556af3b307f1da1
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SHA512
b8862e173f07448b14a9720a20013fcc06369dda122d082ac7fa1f1df5fe75f3684af053c32c3685ee9781dd88a8038a48ede1c3dbf870126f750bc30b2e5b24
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SSDEEP
3072:l6Mg5aL483V1V5RTbljkxuDNRabzJw/hPjNRAtOba+4FvlDbIDjcbImdzmuX:8Mg8L4C1ldkxuDzanyj0BFqDjcbXF
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/912-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3656-135-0x00000000006B0000-0x00000000006B9000-memory.dmp family_smokeloader behavioral2/memory/912-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/912-137-0x0000000000400000-0x0000000000409000-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 3656 set thread context of 912 3656 file.exe 79 -
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 912 file.exe 912 file.exe 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3056 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 912 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3656 wrote to memory of 912 3656 file.exe 79 PID 3656 wrote to memory of 912 3656 file.exe 79 PID 3656 wrote to memory of 912 3656 file.exe 79 PID 3656 wrote to memory of 912 3656 file.exe 79 PID 3656 wrote to memory of 912 3656 file.exe 79 PID 3656 wrote to memory of 912 3656 file.exe 79
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:3656 -
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:912
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