Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2023 16:13
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
262KB
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MD5
3541bbee4b3eb28440f5357ab2594158
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SHA1
8c77805759169dc5d6fda62e0ab3e95666729cd7
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SHA256
fe84771600c5d4a0fb465ce5ffa94e00aa595b83e0487ba527f10a4862567e5b
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SHA512
616c6f9dcfb3ced1f82ab4e476b52cd3eda43efa5cd75c0fb5d93cc4ea4e852554b6552ac30ff8c56bd2b7ee93dd760a5015ce85ef1cb10fef3e0cad1b4c2288
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SSDEEP
6144:B29cUL59He7mw2w/oM4LBFQRd0NGpMskFQH2Yp:Q9cUl9gmzE94LBCRqURkFo2Y
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4728-133-0x0000000002E40000-0x0000000002E49000-memory.dmp family_smokeloader behavioral2/memory/2264-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2264-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2264-138-0x0000000000400000-0x0000000000409000-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 4728 set thread context of 2264 4728 file.exe 80 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2264 file.exe 2264 file.exe 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 376 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2264 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4728 wrote to memory of 2264 4728 file.exe 80 PID 4728 wrote to memory of 2264 4728 file.exe 80 PID 4728 wrote to memory of 2264 4728 file.exe 80 PID 4728 wrote to memory of 2264 4728 file.exe 80 PID 4728 wrote to memory of 2264 4728 file.exe 80 PID 4728 wrote to memory of 2264 4728 file.exe 80
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:4728 -
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:2264
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