Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
261KB
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MD5
8d9227b60042fc409bfe9eb9cbf13d52
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SHA1
473bb1fde0826c61571ce755b6351b5b34c4d28c
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SHA256
f9afa268b804ca565e06621735a0879be874467e807fb73446447146b18964d2
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SHA512
3ff0c366e7d2c4a851519606cadb9569e74b810fe18f331c781820230193c9f03fa7fb59271fa4eb4181154aab200a1fd13f00ca92cd24227ed9f1c15464beab
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SSDEEP
3072:c+Xdzv7dJI8Vgbm9i5onPRMkbE1A3laTsFrnhbad1JhTDw02rwyAZfta2ZeXGMhE:jVubmlPRMkbbETsFrhbP02sRfLe2U
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4816-133-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/3068-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3068-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3068-138-0x0000000000400000-0x0000000000409000-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 4816 set thread context of 3068 4816 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 3068 file.exe 3068 file.exe 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1076 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3068 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4816 wrote to memory of 3068 4816 file.exe 81 PID 4816 wrote to memory of 3068 4816 file.exe 81 PID 4816 wrote to memory of 3068 4816 file.exe 81 PID 4816 wrote to memory of 3068 4816 file.exe 81 PID 4816 wrote to memory of 3068 4816 file.exe 81 PID 4816 wrote to memory of 3068 4816 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:4816 -
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:3068
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