Analysis
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max time kernel
135s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Resource
win11-20240426-en
General
-
Target
71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
-
Size
193KB
-
MD5
336982371238195c7338e1bb8b9831b8
-
SHA1
3286154a20de1f8ff6b5c15682692441d9772f79
-
SHA256
71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577
-
SHA512
3392da04a1d250f18d1038a72c0be845aa271dd10364ee9719712b592face5d57c74adc434871428e662d079d4f347fe2f97e352e2c721a9f545898cadb6b7ed
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SSDEEP
3072:H37O1YfZkZsVc1J8fJmFEXHVw58E65ZbuIq/:H5fZkmc1uhxHVU6byp
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 2980 3744 WerFault.exe 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe"C:\Users\Admin\AppData\Local\Temp\71fbe3675b819f6a1b6c6ba3334c49969bef0532f224496d41216f307e998577.exe"1⤵
- Checks SCSI registry key(s)
PID:3744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 3522⤵
- Program crash
PID:2980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3744 -ip 37441⤵PID:1016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/3744-2-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3744-1-0x00000000025C0000-0x00000000026C0000-memory.dmpFilesize
1024KB
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memory/3744-3-0x0000000000400000-0x000000000234D000-memory.dmpFilesize
31.3MB
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memory/3744-5-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB