Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2023 04:16
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
210KB
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MD5
6cd380993be75aa4fa5ec79bb430bdb0
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SHA1
29c667ed43948626dec2601802ca1f16c108e662
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SHA256
8eb18b98566d2ff22023b5da0d55729a2967ea96377f2bc3ddde7d59ededa2b6
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SHA512
42d73cb471357d91c4d618f173d78d00f601fdba7e73e0eb9d4193a4f9f4f8cd7be80acca3c694ad40b354b5e68a0e6b33e0843cbb2cf34b7bb313cb44390099
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SSDEEP
3072:gMXGDS8tP+Ld5yAbyBX5pMV3sNfL8YcvDcCkAQj5pi:gIOx+lkXXMV3sZ8Xvkp
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/984-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4612-135-0x0000000002CF0000-0x0000000002CF9000-memory.dmp family_smokeloader behavioral2/memory/984-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/984-137-0x0000000000400000-0x0000000000409000-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 4612 set thread context of 984 4612 file.exe 81 -
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 984 file.exe 984 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 984 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4612 wrote to memory of 984 4612 file.exe 81 PID 4612 wrote to memory of 984 4612 file.exe 81 PID 4612 wrote to memory of 984 4612 file.exe 81 PID 4612 wrote to memory of 984 4612 file.exe 81 PID 4612 wrote to memory of 984 4612 file.exe 81 PID 4612 wrote to memory of 984 4612 file.exe 81
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:4612 -
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:984
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