Analysis
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max time kernel
179s -
max time network
174s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
12/02/2023, 20:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
11 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
184KB
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MD5
46f79b0693f8bae136b2caee0872e9d6
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SHA1
9639286ba4da9e912744f832fcb994ef9e33bc8d
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SHA256
a1f229d26e403922a714cbb64449f05d78dafdb5f54ca024acc19453270c3af0
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SHA512
fd5347998921860d097dc8e982fbd39aea0d61faa80896861a77bce0973de7d0810a303c7b7e0811eab0feee6cb3b60fda9d66698c0ca8d8412ac4520b7d54b6
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SSDEEP
3072:g7T3i+HEwt56T/W1xRgv6/rvuEpYOlI3pezT:ieCIT/wxRgv6/juEpBIZ
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/548-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/548-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2000-57-0x00000000003B0000-0x00000000003B9000-memory.dmp family_smokeloader behavioral1/memory/548-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/548-60-0x0000000000400000-0x0000000000409000-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 2000 set thread context of 548 2000 file.exe 28 -
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 548 file.exe 548 file.exe 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1288 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 548 file.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1288 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1288 Process not Found 1288 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1288 Process not Found 1288 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28 PID 2000 wrote to memory of 548 2000 file.exe 28
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:2000 -
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:548
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