Analysis
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max time kernel
133s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Resource
win10v2004-20240611-en
General
-
Target
ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
-
Size
322KB
-
MD5
1bcb9d8ba02bdbe8dcdb08f369228e0b
-
SHA1
b5e2e532ef2813e0cdbc3e124d7dd90e41495ec0
-
SHA256
ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd
-
SHA512
b1892eab7210cdec06d425bce13b7c066cda3863951bbd62f85dd362084c3bd5d35fee428bc46882b8787ae4877f51522665efef79c27e5c7192db9bd5aed298
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SSDEEP
3072:cqWLOU/jAxIOG+1o1VFbBFeRC5xat4LtzCX1Ek1EJxTEqS:cBLd/jwFnGNBFau68KNH
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 2808 2376 WerFault.exe ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe"C:\Users\Admin\AppData\Local\Temp\ef44c393b607093cbb85fee733531b41f56aa03d56d5fd3d4c60e1c0bd3f51dd.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 4602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2376 -ip 23761⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2376-2-0x0000000002780000-0x000000000278B000-memory.dmpFilesize
44KB
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memory/2376-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2376-1-0x0000000002890000-0x0000000002990000-memory.dmpFilesize
1024KB
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memory/2376-4-0x0000000000400000-0x000000000273D000-memory.dmpFilesize
35.2MB