Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 16:24
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
321KB
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MD5
283ca6b9729a764872c84df0203e87f2
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SHA1
e45f93053ee0d1d58caca373a0701f2ad7e04485
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SHA256
b1174532d2b70144c1f9a18b4bfb2fe33e27cfe75608508ce1ddde0ecad51508
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SHA512
f5ca0cab39ec5ea66e4640347e425daf2636efafbb2c66819c221711be7fd47302e06eae665343dbb0de02196a99d41108580b37e45340024ec2188d21c3cecc
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SSDEEP
6144:G5Lrgy0YVu5/A1s/4o6fd8m2guQj9w4JgPaMc:G5PgYuG2AoSd8Slj6Ta
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3192-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4600-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/3192-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3192-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 4600 set thread context of 3192 4600 file.exe file.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 3192 file.exe 3192 file.exe 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 2592 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2592 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 3192 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
file.exedescription pid process target process PID 4600 wrote to memory of 3192 4600 file.exe file.exe PID 4600 wrote to memory of 3192 4600 file.exe file.exe PID 4600 wrote to memory of 3192 4600 file.exe file.exe PID 4600 wrote to memory of 3192 4600 file.exe file.exe PID 4600 wrote to memory of 3192 4600 file.exe file.exe PID 4600 wrote to memory of 3192 4600 file.exe file.exe
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3192-132-0x0000000000000000-mapping.dmp
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memory/3192-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3192-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3192-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4600-135-0x00000000005F0000-0x00000000005F9000-memory.dmpFilesize
36KB
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memory/4600-134-0x00000000007AE000-0x00000000007C4000-memory.dmpFilesize
88KB