Analysis
- max time kernel
205s - max time network
210s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/12/2022, 23:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 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 264KB
- Sample221207-29pb2agd99
- SHA256 4cf11de4c8f1fdcff73bb05a7642f11633f6229fa0d8cc3f8af551d7300d6dbe
- MD5 53598a3584cfa1bcc8c0e84e292e4a9e
- SHA1 ef4384e366037f7909b3eb842978081759677c09
- SHA512 22a179d925dec85c12e975c1d277f41ce953ac5bf991824804f07bc85cd66ba60ac61649a98ee3106a448ef0c6e9ebbc66aebe0d6cc945c3f5e8b5081641e95d
- SSDEEP 3072:Cvz7MKtLZXfsANpq5B54OItuoo+aj2JjEMjdBeVdB9GjO6T9RIlf3:QVs8pJXrEj2JIEat9N6Bilf
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/3112-133-0x00000000004A0000-0x00000000004A9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 4248 wbdwcrc - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbdwcrc Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbdwcrc Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbdwcrc 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 3112 file.exe 3112 file.exe 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2416 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3112 file.exe 4248 wbdwcrc
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3112
-
C:\Users\Admin\AppData\Roaming\wbdwcrcC:\Users\Admin\AppData\Roaming\wbdwcrc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4248
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\wbdwcrc
- Size 264KB
- SHA256 4cf11de4c8f1fdcff73bb05a7642f11633f6229fa0d8cc3f8af551d7300d6dbe
- MD5 53598a3584cfa1bcc8c0e84e292e4a9e
- SHA1 ef4384e366037f7909b3eb842978081759677c09
- SHA512 22a179d925dec85c12e975c1d277f41ce953ac5bf991824804f07bc85cd66ba60ac61649a98ee3106a448ef0c6e9ebbc66aebe0d6cc945c3f5e8b5081641e95d
- SSDEEP 3072:Cvz7MKtLZXfsANpq5B54OItuoo+aj2JjEMjdBeVdB9GjO6T9RIlf3:QVs8pJXrEj2JIEat9N6Bilf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wbdwcrc
- Size 264KB
- SHA256 4cf11de4c8f1fdcff73bb05a7642f11633f6229fa0d8cc3f8af551d7300d6dbe
- MD5 53598a3584cfa1bcc8c0e84e292e4a9e
- SHA1 ef4384e366037f7909b3eb842978081759677c09
- SHA512 22a179d925dec85c12e975c1d277f41ce953ac5bf991824804f07bc85cd66ba60ac61649a98ee3106a448ef0c6e9ebbc66aebe0d6cc945c3f5e8b5081641e95d
- SSDEEP 3072:Cvz7MKtLZXfsANpq5B54OItuoo+aj2JjEMjdBeVdB9GjO6T9RIlf3:QVs8pJXrEj2JIEat9N6Bilf
- MD5 SHA1 SHA512 SSDEEP