Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 07:36
Static task
static1
Behavioral task
behavioral1
Sample
9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe
Resource
win10v2004-20220901-en
General
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Target
9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe
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Size
268KB
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MD5
8eaeda63d3b6c56edc6bb3aca8ae2108
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SHA1
1854f0b74ea24e19ba1f7924b8044569b13df449
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SHA256
9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41
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SHA512
630890f8440050acd60d5f1be1b63ee7ffebbecbf78ffb7925dc9d9a5e5e7bb4ae0f4ee3956212bf9a1a87ba8701f0c767c71906a011286b5e1e8bb1b21160f2
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SSDEEP
3072:tmnXOfHgSLK8BAA7x5Gofmlk5/nMW/hM/xOQJYIxivpKUySz0N8W/ZM/h3gU7:cXoHvLK8/xYouj/xdJkkUyLN8Wxj
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/2408-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3340-135-0x0000000002DA0000-0x0000000002DA9000-memory.dmp family_smokeloader behavioral1/memory/2408-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2408-137-0x0000000000400000-0x0000000000409000-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 3340 set thread context of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.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 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2408 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 2408 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2056 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2408 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86 PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86 PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86 PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86 PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86 PID 3340 wrote to memory of 2408 3340 9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe"C:\Users\Admin\AppData\Local\Temp\9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe"C:\Users\Admin\AppData\Local\Temp\9550c569f34da6053e24c56780ff04d6ab6726ce7ba245d96af0ac07f6078a41.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2408
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