Analysis
- max time kernel
205s - max time network
192s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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
- Target file.exe
- Size 350KB
- Sample221203-hd4masce94
- SHA256 9147979526a2bcdb89c4eef2a3e197c8e242a1cdc4552e9edc90fdf670f38a25
- MD5 59eb8c37ccec98b2b1c319ea6d1dbbd4
- SHA1 2c0f30b9ae9ac797fa9e5c3e15db35eeeadd009a
- SHA512 f5709ca63b8746ac627640db766b1edf67a13111a5547a711ce6e46167598d46fe9da0cea096ca2a4074f1eeb718be4700a753a1ae63bb1db520bfc075572e38
- SSDEEP 6144:JvmIn8Ll82pUcRPGb9GPYq7IezqmmpBR4FnuRjk6Bj8:Jue8JpU+GQgq7tzqhPmuR1
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1572-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4064-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4064-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4064-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1572 set thread context of 4064 1572 file.exe 84 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4064 file.exe 4064 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4064 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1572 wrote to memory of 4064 1572 file.exe 84 PID 1572 wrote to memory of 4064 1572 file.exe 84 PID 1572 wrote to memory of 4064 1572 file.exe 84 PID 1572 wrote to memory of 4064 1572 file.exe 84 PID 1572 wrote to memory of 4064 1572 file.exe 84 PID 1572 wrote to memory of 4064 1572 file.exe 84
Processes
-
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:1572 -
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:4064
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