Analysis
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max time kernel
90s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-05-2024 14:26
Static task
static1
Behavioral task
behavioral1
Sample
3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Resource
win11-20240419-en
General
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Target
3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
-
Size
327KB
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MD5
39dc8753d2d8c930c0059b4b17a2bb8f
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SHA1
2495ea80d4a82b85974ade573dc5c2fc1bfacafa
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SHA256
3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673
-
SHA512
fb9c6a30bec2cf63fc139f07a40b87cb6a05295ed0b7d7d13593797c478b46debbfadbad4e07ddef2a1f4a54c857c3bc8e94ecceb01e21f5a5a98f672f565360
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SSDEEP
6144:Zsp2szp401dHupk/5XfEH8XbUVgTJi8qVcpjKRqBQ9:Zsp7p401UpMXY8XTCcp2sC
Malware Config
Extracted
smokeloader
pub1
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1376 3400 WerFault.exe 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe"C:\Users\Admin\AppData\Local\Temp\3c361332f7495649e190dc3a8f813b4018072d0c4851d36e761dee3ed1bc0673.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 3842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3400 -ip 34001⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3400-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3400-2-0x0000000001B60000-0x0000000001B6B000-memory.dmpFilesize
44KB
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memory/3400-1-0x0000000001C90000-0x0000000001D90000-memory.dmpFilesize
1024KB
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memory/3400-4-0x0000000000400000-0x0000000001A1B000-memory.dmpFilesize
22.1MB