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Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/01/2023, 02:25
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
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
320KB
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MD5
a8b0effe59e133287ef8944c22880f17
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SHA1
6b53001b379fd856531ecc37dd50c27e90706053
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SHA256
554fb01a4506f3b715a49df430bafce15e7eeec34519f50d15322b619c71a488
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SHA512
ac347936829546f5515df010da873c8e3d49bba26c842432ff803bb1734eaf22d9f5da1666b05e22ca3e8c777ba1b49e1d6ada4beceb8c12394b62043687225a
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SSDEEP
3072:FXOiNDq+/tXvRVW5OlActVqCXD+9adXkiYCjHt3lnspk2+dF8M/WhJsheNEsBKmT:Bp5LVxlAILX/HYCz5lnsGdO6WIZg
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1476-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1476-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1456-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1476-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1476-60-0x0000000000400000-0x0000000000409000-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 1456 set thread context of 1476 1456 file.exe 26 -
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 1476 file.exe 1476 file.exe 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1476 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26 PID 1456 wrote to memory of 1476 1456 file.exe 26
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:1456 -
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:1476
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