Analysis
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max time kernel
45s -
max time network
92s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
10-01-2024 18:52
General
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Target
912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe
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Size
312KB
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MD5
90eeb5315b502c2d9b425c7b1b7584ff
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SHA1
0567ab583958eb51a3e7bfb1847c57adeac19ac2
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SHA256
912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f
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SHA512
bc9fef18fcd245fc3c6c02eddcd6036e37fa06575bbac2c834f46752f2d0fdb2b1ba50bb2a4d758f9888c8a40838aee017f324ab705c89ae3a4d9ba5648f526c
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SSDEEP
3072:bjEaOZmdZLt0PrunvCXbdO4Qn1vRhiHLR9zBqxVC8WY6np5noiT9znCARTYFkc:biZILSPr4vIbdmliHLTzotEtT54Fk
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
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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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Program crash 2 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor 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 1 IoCs
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Suspicious use of AdjustPrivilegeToken 16 IoCs
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Suspicious use of WriteProcessMemory 3 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\912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.exe"C:\Users\Admin\AppData\Local\Temp\912219efa4940fedba91e95f161b179e83191ef6c4eb15be2a8bee66cb988f6f.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 3196 -s 3682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3196 -ip 31961⤵
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C:\Users\Admin\AppData\Local\Temp\F944.exeC:\Users\Admin\AppData\Local\Temp\F944.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 11323⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"1⤵
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C:\Users\Admin\AppData\Local\Temp\FEC4.exeC:\Users\Admin\AppData\Local\Temp\FEC4.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5104 -ip 51041⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.6MB
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Filesize
5.6MB
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Filesize
36KB
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Filesize
1024KB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
88KB
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Filesize
7.1MB
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Filesize
7.1MB
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Filesize
408KB
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Filesize
4KB
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Filesize
52KB
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Filesize
408KB
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Filesize
372KB
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Filesize
4KB
-
Filesize
408KB
-
Filesize
48KB
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Filesize
408KB
-
Filesize
784KB
-
Filesize
4KB
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Filesize
784KB
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Filesize
4.2MB
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Filesize
8KB
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Filesize
784KB
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Filesize
4.2MB
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Filesize
784KB
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Filesize
4.2MB