Analysis
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max time kernel
93s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-06-2024 04:49
Static task
static1
Behavioral task
behavioral1
Sample
a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Resource
win11-20240611-en
General
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Target
a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
-
Size
277KB
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MD5
749b5a553161c938602d5fb1ac8eefca
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SHA1
7cf04b274ecabaf879571f0306d571ab2d2db28f
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SHA256
a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf
-
SHA512
efbf827c9cd08b8359065bb5e19a632aaa090180585b670f8c600e4b8e4794eb44694e19f37686ffcbcf98526c4a824cfbd7ab582466dd6c9500d8c8c664ffef
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SSDEEP
3072:Ks5rLMPA/Kcz44Y1HE4lfr85IN1+ZtQXGUYgIgOXvH/ddkxrj:ZRLMPUb44YblHCZtQloXvarj
Malware Config
Extracted
smokeloader
pub2
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4064 5076 WerFault.exe a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe"C:\Users\Admin\AppData\Local\Temp\a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 4882⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5076 -ip 50761⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/5076-1-0x0000000002590000-0x0000000002690000-memory.dmpFilesize
1024KB
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memory/5076-2-0x0000000002480000-0x000000000248B000-memory.dmpFilesize
44KB
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memory/5076-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/5076-4-0x0000000000400000-0x0000000002361000-memory.dmpFilesize
31.4MB