Analysis
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max time kernel
151s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11-02-2023 15:33
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
10 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
238KB
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MD5
18bd5c4707d066d14b089be60c66c58d
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SHA1
be7151e325a62b610707723fae68c21fc97a540c
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SHA256
c4ad68e6b1621560069001527706dd06c5fe552ce36b5a93d9bb1e6211921000
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SHA512
be559224f992b9bbcb18475c966274d16d65c6d1d25e88ac0766f759bfcd267e705f4eb9fe5b9f831f6826374d9a108ac3bac17ecaf1d95047106f10b1b4e78d
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SSDEEP
3072:otFz7Z1ohcrgLS5B7jv2ywfEQ7gjDo+bB9EIU8JTx4J+dawwtFP:8NteTLK7SywfEkg3512U0wwr
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1188-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1188-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1388-57-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1188-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1188-61-0x0000000000400000-0x0000000000409000-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 1388 set thread context of 1188 1388 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1188 file.exe 1188 file.exe 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1188 file.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1192 Process not Found 1192 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1192 Process not Found 1192 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 file.exe 27 PID 1388 wrote to memory of 1188 1388 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:1388 -
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:1188
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