Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
07-02-2023 01:39
General
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Target
file.exe
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Size
299KB
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MD5
f89b1362ab0f86b5cf3d5ae8540b8a5a
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SHA1
bce0b2db7ccc34237ae7bc40710230b9f95b60fa
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SHA256
12699211aacfad01bd4e1d6b9f4d58e49455c28746cdde26379a70260a6da798
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SHA512
5d2c6dd63b004af5c7d637a14cc45ad9241f981f9844e67ee71a96163a2b431c34ca01af30836fcc477cc6e23a8a6f275f8396ec7484ebeda23a10a3d3400a63
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SSDEEP
6144:p9YKLMSuyXrh7NyzRi8dJPzgKiuQj9ja:XYKwdy7NYVXdJP0Kilj1
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
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Suspicious use of SetThreadContext 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: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\crcftbaC:\Users\Admin\AppData\Roaming\crcftba1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\crcftbaC:\Users\Admin\AppData\Roaming\crcftba2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\crcftbaFilesize
299KB
MD5f89b1362ab0f86b5cf3d5ae8540b8a5a
SHA1bce0b2db7ccc34237ae7bc40710230b9f95b60fa
SHA25612699211aacfad01bd4e1d6b9f4d58e49455c28746cdde26379a70260a6da798
SHA5125d2c6dd63b004af5c7d637a14cc45ad9241f981f9844e67ee71a96163a2b431c34ca01af30836fcc477cc6e23a8a6f275f8396ec7484ebeda23a10a3d3400a63
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C:\Users\Admin\AppData\Roaming\crcftbaFilesize
299KB
MD5f89b1362ab0f86b5cf3d5ae8540b8a5a
SHA1bce0b2db7ccc34237ae7bc40710230b9f95b60fa
SHA25612699211aacfad01bd4e1d6b9f4d58e49455c28746cdde26379a70260a6da798
SHA5125d2c6dd63b004af5c7d637a14cc45ad9241f981f9844e67ee71a96163a2b431c34ca01af30836fcc477cc6e23a8a6f275f8396ec7484ebeda23a10a3d3400a63
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C:\Users\Admin\AppData\Roaming\crcftbaFilesize
299KB
MD5f89b1362ab0f86b5cf3d5ae8540b8a5a
SHA1bce0b2db7ccc34237ae7bc40710230b9f95b60fa
SHA25612699211aacfad01bd4e1d6b9f4d58e49455c28746cdde26379a70260a6da798
SHA5125d2c6dd63b004af5c7d637a14cc45ad9241f981f9844e67ee71a96163a2b431c34ca01af30836fcc477cc6e23a8a6f275f8396ec7484ebeda23a10a3d3400a63
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memory/2032-143-0x000000000075E000-0x0000000000773000-memory.dmpFilesize
84KB
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memory/3180-135-0x0000000000660000-0x0000000000669000-memory.dmpFilesize
36KB
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memory/3180-134-0x000000000070E000-0x0000000000723000-memory.dmpFilesize
84KB
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memory/3992-140-0x0000000000000000-mapping.dmp
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memory/3992-144-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3992-145-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4584-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4584-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4584-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4584-132-0x0000000000000000-mapping.dmp