Analysis
- max time kernel
156s - max time network
176s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/12/2022, 04:24
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
- Target file.exe
- Size 302KB
- Sample221212-e1dgvaac87
- SHA256 031e53d6d4fa8c8a2ef63cbcd1f698f2428e5c803bd44ac0f75784dfb21045d8
- MD5 a7eeb59e10bdb0e17c2795096f4caf13
- SHA1 321872ed2cc6eebcaa08c34cf3b9d89198141bf5
- SHA512 dc8f1b8f351e7604fe71b53a2bc0d3b005af391c26bff1e2500c1fcd013adc7c12978fcf74f2d1eb44513b7930132df2e56b8499ffe1d2dd0d05e5e0dd7739c0
- SSDEEP 6144:NzNLEcAUzAXB27dVJ1eT/draCe5dSyertCtPd2yV:TlAiAR2Bn1eT/dTe5dgtCtg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4320-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2276-135-0x00000000004D0000-0x00000000004D9000-memory.dmp family_smokeloader behavioral2/memory/4320-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4320-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2276 set thread context of 4320 2276 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 4320 file.exe 4320 file.exe 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found 3064 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3064 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4320 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2276 wrote to memory of 4320 2276 file.exe 82 PID 2276 wrote to memory of 4320 2276 file.exe 82 PID 2276 wrote to memory of 4320 2276 file.exe 82 PID 2276 wrote to memory of 4320 2276 file.exe 82 PID 2276 wrote to memory of 4320 2276 file.exe 82 PID 2276 wrote to memory of 4320 2276 file.exe 82
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:2276 -
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:4320
-