Analysis
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max time kernel
30s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
11-01-2024 15:20
General
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Target
d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7.exe
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Size
312KB
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MD5
e2dcde964008d3c1087df8373550a753
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SHA1
96949175c64c2e732a83c1378cf13bafefc163a0
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SHA256
d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7
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SHA512
b6b0b4ba59e75090bb3855ef89f10decfa19980bae7a919a59e76a14d8ff59ee3109ed29ad5115fae0b276db769fd4dbbdced689b2f8b248ab012cd4180eac3c
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SSDEEP
3072:cm37/rLzRqCKgiH5OGyqwuSANL7uY1ncfH5nP83NpBJFwj0:cM7zLzoCKgkbyq0ANL1xch03NU
Malware Config
Extracted
smokeloader
pub1
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\d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7.exe"C:\Users\Admin\AppData\Local\Temp\d71a7808aa7379bc12ec11726af9c97fcf7186ac10f987e303320b6cb41904c7.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 228 -s 3682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 228 -ip 2281⤵
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C:\Users\Admin\AppData\Local\Temp\B4AA.exeC:\Users\Admin\AppData\Local\Temp\B4AA.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 1264 -s 11283⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\B93F.exeC:\Users\Admin\AppData\Local\Temp\B93F.exe1⤵
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1264 -ip 12641⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
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Filesize
4.4MB
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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
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
784KB
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Filesize
784KB
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Filesize
4.2MB
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Filesize
5.6MB
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Filesize
5.6MB
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Filesize
4KB
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Filesize
52KB
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Filesize
408KB
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Filesize
408KB
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Filesize
372KB
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Filesize
4KB
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Filesize
408KB
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Filesize
4KB
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Filesize
48KB
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Filesize
408KB
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Filesize
88KB
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Filesize
7.1MB
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Filesize
7.1MB