Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 17:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
351KB
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MD5
a4738fbb574f502645403dae0eee4437
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SHA1
9dc70f826bf9911348858aaaa6b90aa99e2bd301
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SHA256
8a67f1827d024f2f2339926263a62eaeea0cbf7019d001abe46053cd40049773
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SHA512
0523f94772fb3a3c2e0739094b8f04f157751a012ba2e520ebcbf7114302e13a0c59327701708bd0b7435ed4e5783388e057fcd1c8b28781bdd58c2361b2c23a
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SSDEEP
6144:Ln7ojHEzjDorNI9NxeUBDg0QenMW2RqnfmV2cYb:LnukINQ75BQ4MW3fUY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4772-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/1692-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1692-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1692-138-0x0000000000400000-0x0000000000409000-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 4772 set thread context of 1692 4772 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1692 file.exe 1692 file.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3008 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1692 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4772 wrote to memory of 1692 4772 file.exe 80 PID 4772 wrote to memory of 1692 4772 file.exe 80 PID 4772 wrote to memory of 1692 4772 file.exe 80 PID 4772 wrote to memory of 1692 4772 file.exe 80 PID 4772 wrote to memory of 1692 4772 file.exe 80 PID 4772 wrote to memory of 1692 4772 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:4772 -
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:1692
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