Analysis
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max time kernel
92s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 23:23
Static task
static1
Behavioral task
behavioral1
Sample
b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe
Resource
win11-20240426-en
General
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Target
b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe
-
Size
257KB
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MD5
008d0dd6970cf588d5538aa84ca98238
-
SHA1
f56386b9af372047a12f9b0a5fbb0497ac65b2d9
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SHA256
b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72
-
SHA512
a15ae3ceaa6651b5b6c19d501e3b936063ca9efc03edeba646a8cea60bfdd295b57c09853f7db4d210fabdfca9541299f1d1978fd8b888aa0ce10f965625f72a
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SSDEEP
3072:eYUTYLpQTrvEs//o14GGhmVn5OwKhLuUe:eY5a4so1bGhmV4wKhLTe
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
Processes:
WerFault.exepid pid_target process target process 2452 3652 WerFault.exe b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe"C:\Users\Admin\AppData\Local\Temp\b4bfdfb61a3ea4cc57e65b8810c972872881763a613923364e4e572a07054a72.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 3522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3652 -ip 36521⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3652-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3652-2-0x00000000020F0000-0x00000000020FB000-memory.dmpFilesize
44KB
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memory/3652-1-0x00000000022D0000-0x00000000023D0000-memory.dmpFilesize
1024KB
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memory/3652-4-0x0000000000400000-0x0000000001F8C000-memory.dmpFilesize
27.5MB