Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 21:51
Static task
static1
Behavioral task
behavioral1
Sample
184d3b12577c477af59e4a8c4d3b4257.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
184d3b12577c477af59e4a8c4d3b4257.exe
Resource
win10v2004-20220901-en
General
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Target
184d3b12577c477af59e4a8c4d3b4257.exe
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Size
145KB
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MD5
184d3b12577c477af59e4a8c4d3b4257
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SHA1
b4b3e5bc58cae7280348218cd6fe7dd1f22d65be
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SHA256
58f211aeb6beb475e52951cc46e568220e1474286d6b0423001fe12cb16bef2c
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SHA512
d4ba1d1645720bb7062a7f5916e0df9998831e52e91e19fe5ab96c89556b6cea80c1a8e5554fcafd808c708af8bd0c9d945d1a1ccaadc1bd77bf4041c013da2b
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SSDEEP
3072:HP71IGbK/W5GGHtG7I8YBk5zEeDanb7BwsTXx:vhW/MtG7oBkFEeDwmO
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1044-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3272-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/1044-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1044-137-0x0000000000400000-0x0000000000409000-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 3272 set thread context of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 -
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 184d3b12577c477af59e4a8c4d3b4257.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 184d3b12577c477af59e4a8c4d3b4257.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 184d3b12577c477af59e4a8c4d3b4257.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1044 184d3b12577c477af59e4a8c4d3b4257.exe 1044 184d3b12577c477af59e4a8c4d3b4257.exe 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found 2756 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2756 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1044 184d3b12577c477af59e4a8c4d3b4257.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2756 Process not Found Token: SeCreatePagefilePrivilege 2756 Process not Found Token: SeShutdownPrivilege 2756 Process not Found Token: SeCreatePagefilePrivilege 2756 Process not Found Token: SeShutdownPrivilege 2756 Process not Found Token: SeCreatePagefilePrivilege 2756 Process not Found Token: SeShutdownPrivilege 2756 Process not Found Token: SeCreatePagefilePrivilege 2756 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86 PID 3272 wrote to memory of 1044 3272 184d3b12577c477af59e4a8c4d3b4257.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\184d3b12577c477af59e4a8c4d3b4257.exe"C:\Users\Admin\AppData\Local\Temp\184d3b12577c477af59e4a8c4d3b4257.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\184d3b12577c477af59e4a8c4d3b4257.exe"C:\Users\Admin\AppData\Local\Temp\184d3b12577c477af59e4a8c4d3b4257.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1044
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