Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
15/01/2023, 04:25
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
206KB
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MD5
9637a41d05f0196d5e55aed061ff1e8f
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SHA1
ab5a0d9495ce7f2f90982025a7f3dc9fa4cc42d3
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SHA256
b6d9d9b8b9ce10789f91acc0113847180b99870069e43f6d44b47c5132f3effd
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SHA512
a66549832b3893da97468e9c67153074987deeaf98e5b0cdc9810950493e2641d361257ec3d84aa7280816fbc91a6562d64d7cba9f06dd66091b177cf3da82c2
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SSDEEP
3072:zX9aGe2Gn+SfafXyYT5HotFceDR8buSvrjNi2DrJjBxW8X1gapb:rU2Gn+Sf7xdN/E4AJq8X3p
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1756-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1756-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/900-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1756-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1756-60-0x0000000000400000-0x0000000000409000-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 900 set thread context of 1756 900 file.exe 27 -
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 1756 file.exe 1756 file.exe 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1756 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27 PID 900 wrote to memory of 1756 900 file.exe 27
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:900 -
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:1756
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