Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
07-02-2023 00:58
General
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Target
file.exe
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Size
299KB
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MD5
e39bcd53121afd8d6be9a9082ebac2a0
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SHA1
224ea99fc4ad05ad541338854ff33cdbec83d5f8
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SHA256
9b538f340f1f13fdd507dde8111d7f7680e356e8a0284b38d794933b087eb419
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SHA512
c495513054c33b2465dc3278db05d15e5a6cda99d55f42ac9418c42252062730172edc0e5f578f9179a3c8c8c511f3ebf18fac601db59a6c6f7af1560b371e51
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SSDEEP
3072:U7b6bwgNLCbSRmQMr39rTIVZ7jQr2VjB86SAUVMauhOrQuQjiMTE5i96Pha5hN:0zgNLCbhhL6VZP3VdXUVsh9uQj9T2aL
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\wchuibtC:\Users\Admin\AppData\Roaming\wchuibt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\wchuibtC:\Users\Admin\AppData\Roaming\wchuibt2⤵
- 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\wchuibtFilesize
299KB
MD5e39bcd53121afd8d6be9a9082ebac2a0
SHA1224ea99fc4ad05ad541338854ff33cdbec83d5f8
SHA2569b538f340f1f13fdd507dde8111d7f7680e356e8a0284b38d794933b087eb419
SHA512c495513054c33b2465dc3278db05d15e5a6cda99d55f42ac9418c42252062730172edc0e5f578f9179a3c8c8c511f3ebf18fac601db59a6c6f7af1560b371e51
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C:\Users\Admin\AppData\Roaming\wchuibtFilesize
299KB
MD5e39bcd53121afd8d6be9a9082ebac2a0
SHA1224ea99fc4ad05ad541338854ff33cdbec83d5f8
SHA2569b538f340f1f13fdd507dde8111d7f7680e356e8a0284b38d794933b087eb419
SHA512c495513054c33b2465dc3278db05d15e5a6cda99d55f42ac9418c42252062730172edc0e5f578f9179a3c8c8c511f3ebf18fac601db59a6c6f7af1560b371e51
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C:\Users\Admin\AppData\Roaming\wchuibtFilesize
299KB
MD5e39bcd53121afd8d6be9a9082ebac2a0
SHA1224ea99fc4ad05ad541338854ff33cdbec83d5f8
SHA2569b538f340f1f13fdd507dde8111d7f7680e356e8a0284b38d794933b087eb419
SHA512c495513054c33b2465dc3278db05d15e5a6cda99d55f42ac9418c42252062730172edc0e5f578f9179a3c8c8c511f3ebf18fac601db59a6c6f7af1560b371e51
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memory/344-140-0x0000000000000000-mapping.dmp
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memory/344-144-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/344-145-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1084-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1084-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1084-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1084-132-0x0000000000000000-mapping.dmp
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memory/2240-135-0x0000000000660000-0x0000000000669000-memory.dmpFilesize
36KB
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memory/2240-134-0x00000000006EE000-0x0000000000704000-memory.dmpFilesize
88KB
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memory/3832-143-0x000000000076E000-0x0000000000783000-memory.dmpFilesize
84KB