Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
04-02-2024 08:58
General
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Target
justdezine.exe
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Size
266KB
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MD5
af42f93ce8f525564d27ac04797a2803
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SHA1
f3b2f54a2881dbfb06d2a8c830953d775f2205d0
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SHA256
c8133af9c1ab5f1087ec298e5b06fab0002903b0dac672ed72530c61a45ccf99
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SHA512
ac2a12884f0dda0bd93e45f6e02a7eed8bd44befd39c9b9456a97b7faa201af9a67817f45529e250bd609df0dbb65ddf797b7aec784cc9d48bd3f8614d2950f8
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SSDEEP
6144:9X8FtebHKT22Jm+xOYFpqsbDewhSCEuRPq:W/ebH32JFFP3uCTRy
Malware Config
Extracted
smokeloader
2020
http://varmisende.com/upload/
http://fernandomayol.com/upload/
http://nextlytm.com/upload/
http://people4jan.com/upload/
http://asfaltwerk.com/upload/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Program crash 2 IoCs
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\justdezine.exe"C:\Users\Admin\AppData\Local\Temp\justdezine.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 3682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4260 -ip 42601⤵
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C:\Users\Admin\AppData\Roaming\garewcgC:\Users\Admin\AppData\Roaming\garewcg1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 3682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3696 -ip 36961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
266KB
MD5af42f93ce8f525564d27ac04797a2803
SHA1f3b2f54a2881dbfb06d2a8c830953d775f2205d0
SHA256c8133af9c1ab5f1087ec298e5b06fab0002903b0dac672ed72530c61a45ccf99
SHA512ac2a12884f0dda0bd93e45f6e02a7eed8bd44befd39c9b9456a97b7faa201af9a67817f45529e250bd609df0dbb65ddf797b7aec784cc9d48bd3f8614d2950f8
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Filesize
84KB
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Filesize
84KB
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Filesize
1.2MB
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Filesize
1024KB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
36KB
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Filesize
1024KB
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Filesize
1.2MB