Analysis
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max time kernel
150s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27/12/2022, 09:54
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 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
297KB
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MD5
73482cb2086c1ad49b3e6b2f29e51321
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SHA1
7a48c401ae47fa004b61e1d489e3bcc3b3bdbe18
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SHA256
c708a045f3abcc660e77d52da3c67135bbb2a722355f0c99a36760e06c54fb06
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SHA512
13c6708ca2115889cff6d1f5ccf8b8c4e37972c36269a2578e6655c28dd81ec8817d4df2157003121b75e06856b5156ba44f002407a00f3d69e235b3470c4279
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SSDEEP
6144:kLjqYzVcEJTc7MADJqlLOrjce58xQ3xDPkMo5zXbAc:kvPzVHSBwxOH758xaxDPyrbA
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1356-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1356-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/852-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1356-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1356-60-0x0000000000400000-0x0000000000409000-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 852 set thread context of 1356 852 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 1356 file.exe 1356 file.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1356 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 file.exe 27 PID 852 wrote to memory of 1356 852 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:852 -
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:1356
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