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Analysis
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max time kernel
150s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06/02/2023, 22:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
300KB
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MD5
7b15324f9c6bf7802c98721017f757a8
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SHA1
d1ae685805eaee5ab5c4fc6210832c58cfcfe000
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SHA256
3c4d6c6c2825913d2cd77ec76235d0a76791bd77e2be0c54fe311f3231262c1d
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SHA512
bc5f32cb44aa4b8d1b05314a5aca937dcbb0f5e6ceebdf18d1cfa23a9a66c58a997eb496714d03d49ee87e99755ccdcf8c2dfba6d2dc23a09c2546e4af5cef26
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SSDEEP
3072:CQjVb6bJvLxQRGN7atT0SglPDpDKugjjPdWE4+Sy6uQjiMTE5kWO85afZi:CEivLxXNmt1uDpngjbU9+WuQj9S5ah
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1720-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/640-135-0x0000000000660000-0x0000000000669000-memory.dmp family_smokeloader behavioral2/memory/1720-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1720-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 640 set thread context of 1720 640 file.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description 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
pid Process 1720 file.exe 1720 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1720 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 640 wrote to memory of 1720 640 file.exe 81 PID 640 wrote to memory of 1720 640 file.exe 81 PID 640 wrote to memory of 1720 640 file.exe 81 PID 640 wrote to memory of 1720 640 file.exe 81 PID 640 wrote to memory of 1720 640 file.exe 81 PID 640 wrote to memory of 1720 640 file.exe 81
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:640 -
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:1720
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