Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
31/01/2023, 13:00
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
294KB
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MD5
c145ad28e78d37544f6e4f60ba20a5d4
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SHA1
d27991ec88ee934dbfa0f81f9f394f52a2dc9c8b
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SHA256
09d5443877e9b4d3152509801503065854eaaf49fbb492ab29cc94973bb3109d
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SHA512
f1ad96f77e036c59e3288fadc26e8564b941714383b7bb9a768f4573289635e3e671ef60db1dab389d912ff3cc501895fec3249fbfe126383577ceee3a987645
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SSDEEP
3072:sauvM7CLCLRo2sw5TXUX8he5UmGMNqsUOZM7Gx7f43H7BF6/85RCqx:8k7CLCi2swljhe5UpiZ1x7f4Vc/87
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/900-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/520-135-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/900-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/900-137-0x0000000000400000-0x0000000000409000-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 520 set thread context of 900 520 file.exe 82 -
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 900 file.exe 900 file.exe 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 900 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 520 wrote to memory of 900 520 file.exe 82 PID 520 wrote to memory of 900 520 file.exe 82 PID 520 wrote to memory of 900 520 file.exe 82 PID 520 wrote to memory of 900 520 file.exe 82 PID 520 wrote to memory of 900 520 file.exe 82 PID 520 wrote to memory of 900 520 file.exe 82
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:520 -
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:900
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