Analysis
- max time kernel
150s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
18/12/2022, 23:23
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 215KB
- Sample221218-3c4k5agh5t
- SHA256 88c0afc1f56d07c0ecdac8e6d8fd58a4d80c092e901aae14bd737d70d392448a
- MD5 41a803868cc673a6510dd5564fd589fd
- SHA1 8ac3c7d1e45af945e8b3e0dda936bd4d7b64be9e
- SHA512 488ade816dd6b50097ce84e5e24c109ae2e95c867f3fbea668f6f34438740a0a215233cb27520aa3677196debb6a1b2509314178ef0031aa67250af9c706bcdd
- SSDEEP 6144:6bCLbVeO6g2YThlyuogUPP0jmsmjcbXF:6bCXyFY/wX0jiYbXF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3064-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4588-135-0x00000000005D0000-0x00000000005D9000-memory.dmp family_smokeloader behavioral2/memory/3064-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3064-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4588 set thread context of 3064 4588 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 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 3064 file.exe 3064 file.exe 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3064 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4588 wrote to memory of 3064 4588 file.exe 81 PID 4588 wrote to memory of 3064 4588 file.exe 81 PID 4588 wrote to memory of 3064 4588 file.exe 81 PID 4588 wrote to memory of 3064 4588 file.exe 81 PID 4588 wrote to memory of 3064 4588 file.exe 81 PID 4588 wrote to memory of 3064 4588 file.exe 81
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:4588 -
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:3064
-