Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-05-2024 23:53
Static task
static1
Behavioral task
behavioral1
Sample
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
Resource
win11-20240419-en
General
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Target
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
-
Size
261KB
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MD5
d4a824b455f581031c959f4431977e94
-
SHA1
85dd7d196e585c1c1d2d28ce4bbe4647da079588
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SHA256
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3
-
SHA512
3e377db899365a4f48bbab1e97ccceaf6284551616ad8f1bf2af65478d28500ce4b1a1cd798968fc13934bf324e1aaecd5223a6a59cf035f4145bf3baf2ccb07
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SSDEEP
3072:jfiqHnFC8bq8sb+UAi21LiFOMQy5BJ6pLg1T/dO:jfiqHnFDg+xfpmJrt/w
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 4664 4040 WerFault.exe f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe"C:\Users\Admin\AppData\Local\Temp\f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 3842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4040 -ip 40401⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/4040-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/4040-2-0x0000000003070000-0x000000000307B000-memory.dmpFilesize
44KB
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memory/4040-1-0x0000000002C50000-0x0000000002D50000-memory.dmpFilesize
1024KB
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memory/4040-4-0x0000000000400000-0x0000000002AFF000-memory.dmpFilesize
39.0MB