Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/01/2023, 06:40
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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
240KB
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MD5
79db130b43c172d2836ffa5459632f19
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SHA1
6c8b60a6bc2a7badbc08d4d65227144761ea4336
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SHA256
a1fdc3c16d6eb5717d4df197133877d1a035b150efcb44afe01336db727b9f9b
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SHA512
21991501108116deff1c2bf5a8ba2c0089fcc854020a74a87641587d0ee281a7030ae571c8c6aceb56b3134bc6563dccb6f237f649a5e43c80726af94c73c798
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SSDEEP
3072:GXRSBAyLUKYdM8L5uthoXdqkYXh05+gtTYeHQnmqi0y9m27hZY:u9yL0M8YgAmJYtm79zZY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1052-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1052-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/856-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1052-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1052-60-0x0000000000400000-0x0000000000409000-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 856 set thread context of 1052 856 file.exe 26 -
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 1052 file.exe 1052 file.exe 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1052 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26 PID 856 wrote to memory of 1052 856 file.exe 26
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:856 -
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:1052
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