Analysis
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max time kernel
153s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
08-03-2023 13:08
General
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Target
5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63.exe
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Size
319KB
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MD5
fba8145234d29936ea01e1529e727271
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SHA1
21c1e9b0d802e0229aabd4875c570d69054686a5
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SHA256
5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63
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SHA512
3318b86a16499cb4347e04f4757011ec5074f4dcb35ba0b74ad2b699a5291f07955287311be8c0078bea8e51580d41c96a846782bffb54d0862dc4f774ce0aab
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SSDEEP
3072:equIfLR5XqVLB8aqej+dUus/5yJ/1WEmLOR9oUrjcZrf6kX/U7JvjbstAug1cOF:hLyVLBmeQm+NJm+jr6rf6OU7JvA
Malware Config
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
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
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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\5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63.exe"C:\Users\Admin\AppData\Local\Temp\5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63.exe"C:\Users\Admin\AppData\Local\Temp\5b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\jrujbrsC:\Users\Admin\AppData\Roaming\jrujbrs1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\jrujbrsC:\Users\Admin\AppData\Roaming\jrujbrs2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
319KB
MD5fba8145234d29936ea01e1529e727271
SHA121c1e9b0d802e0229aabd4875c570d69054686a5
SHA2565b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63
SHA5123318b86a16499cb4347e04f4757011ec5074f4dcb35ba0b74ad2b699a5291f07955287311be8c0078bea8e51580d41c96a846782bffb54d0862dc4f774ce0aab
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Filesize
319KB
MD5fba8145234d29936ea01e1529e727271
SHA121c1e9b0d802e0229aabd4875c570d69054686a5
SHA2565b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63
SHA5123318b86a16499cb4347e04f4757011ec5074f4dcb35ba0b74ad2b699a5291f07955287311be8c0078bea8e51580d41c96a846782bffb54d0862dc4f774ce0aab
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Filesize
319KB
MD5fba8145234d29936ea01e1529e727271
SHA121c1e9b0d802e0229aabd4875c570d69054686a5
SHA2565b8bb17865111cb338642724d7f972b001f45a9605d6711a318fe4fe499f1d63
SHA5123318b86a16499cb4347e04f4757011ec5074f4dcb35ba0b74ad2b699a5291f07955287311be8c0078bea8e51580d41c96a846782bffb54d0862dc4f774ce0aab
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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
88KB
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Filesize
36KB
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Filesize
36KB
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Filesize
36KB