Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 14:43
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
321KB
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MD5
7511db96578a8cf5a167ad3e56bf8d21
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SHA1
8c031176a8898209396bb8761a306976e0738f87
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SHA256
91ddad0b9f989fd117f57bb3a1e027d47594f7d021010b3ed35e47c56a8ae61b
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SHA512
58edc1230d23eddea9d5179578d39d93ccc0caea75237793e25a92e1b198bae1077434828fd72e5849b6218b97d65894506ef7a6271d9e0e7badd8c6972f37f1
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SSDEEP
6144:DDL3jS8sACFU6NZcvhTSW0O6QltClRkMYqJ8:DDbjcFVZ4EQl8mMYV
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
Processes:
resource yara_rule behavioral2/memory/728-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1580-135-0x0000000000700000-0x0000000000709000-memory.dmp family_smokeloader behavioral2/memory/728-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/728-137-0x0000000000400000-0x0000000000409000-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 1580 set thread context of 728 1580 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 728 file.exe 728 file.exe 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 2864 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2864 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 728 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
file.exedescription pid process target process PID 1580 wrote to memory of 728 1580 file.exe file.exe PID 1580 wrote to memory of 728 1580 file.exe file.exe PID 1580 wrote to memory of 728 1580 file.exe file.exe PID 1580 wrote to memory of 728 1580 file.exe file.exe PID 1580 wrote to memory of 728 1580 file.exe file.exe PID 1580 wrote to memory of 728 1580 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
PID:1580 -
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
PID:728