Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
07-02-2023 00:09
General
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Target
file.exe
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Size
298KB
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MD5
bf0dfde86387701ca7f2d0f588f45a67
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SHA1
b1f7c5849a945d0c8e75e6bfd8b2c05a2571819d
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SHA256
c2121e45bca3f193881080e9319f1f462217ccb8c3aeb05de6c9a2bf85c2cc43
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SHA512
75aea76728e589c15f2458564b970650bb6767ad6ac5724dcf9d6be43de43e642fcdcde2d87a294be82ac6798acddc4c6723e8180ddf2f0684f759c2bbdebf3b
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SSDEEP
6144:CWyuEL5Q8Hr/1thY8S5vuPRkluQj9RLy4a3:Czflrb1thBYeR4ljPLZ
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\fffrbhuC:\Users\Admin\AppData\Roaming\fffrbhu1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\fffrbhuC:\Users\Admin\AppData\Roaming\fffrbhu2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\fffrbhuFilesize
298KB
MD5bf0dfde86387701ca7f2d0f588f45a67
SHA1b1f7c5849a945d0c8e75e6bfd8b2c05a2571819d
SHA256c2121e45bca3f193881080e9319f1f462217ccb8c3aeb05de6c9a2bf85c2cc43
SHA51275aea76728e589c15f2458564b970650bb6767ad6ac5724dcf9d6be43de43e642fcdcde2d87a294be82ac6798acddc4c6723e8180ddf2f0684f759c2bbdebf3b
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C:\Users\Admin\AppData\Roaming\fffrbhuFilesize
298KB
MD5bf0dfde86387701ca7f2d0f588f45a67
SHA1b1f7c5849a945d0c8e75e6bfd8b2c05a2571819d
SHA256c2121e45bca3f193881080e9319f1f462217ccb8c3aeb05de6c9a2bf85c2cc43
SHA51275aea76728e589c15f2458564b970650bb6767ad6ac5724dcf9d6be43de43e642fcdcde2d87a294be82ac6798acddc4c6723e8180ddf2f0684f759c2bbdebf3b
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C:\Users\Admin\AppData\Roaming\fffrbhuFilesize
298KB
MD5bf0dfde86387701ca7f2d0f588f45a67
SHA1b1f7c5849a945d0c8e75e6bfd8b2c05a2571819d
SHA256c2121e45bca3f193881080e9319f1f462217ccb8c3aeb05de6c9a2bf85c2cc43
SHA51275aea76728e589c15f2458564b970650bb6767ad6ac5724dcf9d6be43de43e642fcdcde2d87a294be82ac6798acddc4c6723e8180ddf2f0684f759c2bbdebf3b
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memory/4556-141-0x0000000000000000-mapping.dmp
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memory/4556-144-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4556-145-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4788-132-0x0000000000000000-mapping.dmp
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memory/4788-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4788-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4788-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4804-134-0x00000000007AE000-0x00000000007C3000-memory.dmpFilesize
84KB
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memory/4804-135-0x0000000000760000-0x0000000000769000-memory.dmpFilesize
36KB