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Analysis
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max time kernel
155s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
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submitted
02/11/2023, 14:05
General
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Target
2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f.exe
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Size
238KB
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MD5
b4fa6b59e75b821ac65445c55d6d9a58
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SHA1
34a8a430e97aca4aa91c16c6a2637839706c7e9a
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SHA256
2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f
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SHA512
8430e1f5baa98cc7fa45ae363eabbd6336b60020e2b9526040f08b3df176c3c03d8f66e523db839f8855d312b043a378c16c804e87bb47f2b4bc6668fb7adf86
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SSDEEP
3072:f6o6eVb6xOxVkGdc37RXMpGefSOmeoS45IwmAgHLd7:CoDb6xCkGe37WpGeqOWlewLU
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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Suspicious use of SetThreadContext 1 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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Modifies registry class 3 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of WriteProcessMemory 6 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\2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f.exe"C:\Users\Admin\AppData\Local\Temp\2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f.exe"C:\Users\Admin\AppData\Local\Temp\2487cd5fa775dc518846a80cfecbfd6f0b28d34aec519ba9cc4ea4b8ce6c0b8f.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
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Filesize
36KB
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Filesize
36KB
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Filesize
88KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
1024KB
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Filesize
36KB