Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-06-2024 23:57
Static task
static1
Behavioral task
behavioral1
Sample
a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe
Resource
win11-20240508-en
General
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Target
a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe
-
Size
278KB
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MD5
44feab375c97730ba9bde174df19a29f
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SHA1
7e9056ecc7cdf3112c3bfb181b026228a85c1617
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SHA256
a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b
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SHA512
81711a15c0c0ba5b4fd643084b46fb0dff7348d0f1ce30019ac5a083bff1d242ddf1d940e4efb010cbecc4702e2d1dfc8991f09a57ef62390938a9e10e6b0d69
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SSDEEP
3072:xCBLUOA5G/lo0h2joKEWjy3FRaR/4O5WJ1+ZtQXGRh2fXvHAddkxrj:x8LUOAorEoJ4cFRKauZtQpXvnrj
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 2692 4468 WerFault.exe a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe"C:\Users\Admin\AppData\Local\Temp\a8c7d1d11520dc9a09abb8836629cee090bdaf0a2d192237b8d1c800e4e1072b.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 4642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4468 -ip 44681⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4020,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4068 /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4468-2-0x0000000003F70000-0x0000000003F7B000-memory.dmpFilesize
44KB
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memory/4468-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/4468-1-0x0000000002580000-0x0000000002680000-memory.dmpFilesize
1024KB
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memory/4468-4-0x0000000000400000-0x0000000002361000-memory.dmpFilesize
31.4MB