Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
14/12/2022, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-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 234KB
- Sample221214-sk6eksdb4z
- SHA256 3de24502194f59812e9e2a1dc30f88e009144976f9a951cf246fd59cf04dbe9d
- MD5 48e7583dae40baa594702be9476f92e9
- SHA1 729ecf780c64646d73702e1f49f4866190513f12
- SHA512 0d65dff80574ff28d953e6452433afadde315b00d11df698de51f2ea65141cd2b94ce303992f91783a4fdd2e8da2f0d67e07d394de69d62c875c9de096b58a40
- SSDEEP 3072:WvL7FM2eXwpLfLq8Yf5GWrT0eBOQLfOBMP5raE/copQftTeeKYIsKD3HQMaB6py:ML7FMxXwpLG8Y07QrHraspx/X3wZ6o
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2496-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2216-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/2496-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2496-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2216 set thread context of 2496 2216 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 2496 file.exe 2496 file.exe 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2496 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2496 2216 file.exe 81 PID 2216 wrote to memory of 2496 2216 file.exe 81 PID 2216 wrote to memory of 2496 2216 file.exe 81 PID 2216 wrote to memory of 2496 2216 file.exe 81 PID 2216 wrote to memory of 2496 2216 file.exe 81 PID 2216 wrote to memory of 2496 2216 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:2216 -
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:2496
-