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
14-05-2024 06:28
Static task
static1
Behavioral task
behavioral1
Sample
37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe
Resource
win11-20240426-en
General
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Target
37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe
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Size
231KB
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MD5
a0a40b1c2d5791222c7d1603c0758f07
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SHA1
3db09249caf57bb9ee3bf20c37e9131dec49a459
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SHA256
37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83
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SHA512
36e222e5958a3b6a2fdbf00711133218ef2e2916e2e1e8c264b17464f4dc699088d41260f1c1cfb705a850dafb003c32493b3c2f156b5c7e81de5c644a74290e
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SSDEEP
3072:WU6FeBsHn44px0vOSx0W+tmhfnL3ijkJusiABUXbw7zzFMRvx7i7GZ4:IkmlcF0WzL3ija3CXbmzFcpG7GZ
Malware Config
Extracted
smokeloader
pub1
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Program crash 1 IoCs
pid pid_target Process procid_target 1648 2484 WerFault.exe 91 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe"C:\Users\Admin\AppData\Local\Temp\37dcd59e709f2d167ec3100ce588962990af8824e136f59d75e49795f7c73d83.exe"1⤵
- Checks SCSI registry key(s)
PID:2484 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 3522⤵
- Program crash
PID:1648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2484 -ip 24841⤵PID:1572
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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=4176,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:81⤵PID:1856