Analysis
- max time kernel
150s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
16/02/2023, 04:55
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 205KB
- Sample230216-fj5qfaff21
- SHA256 aac70bf337cfe79c19c2cf03955b742205d73c23e779ffe38694fc284f275393
- MD5 aa5dfeeb4aa25de41501d771c89c3156
- SHA1 a9f730b9f5f7fb55f013d10480fc46a8b5924fd0
- SHA512 b27fbf30a38769e7aa6bd3bb6d619589550ec5bc7715ff6013a9e190272312bcda464a77da47b5aab862dec16f31354d28ec7ba0ebfe214e6fcbc0145fb91e34
- SSDEEP 3072:Hv0ydF24MkoTO5L8YXlaEajJO3Km8CF2QSSxP6eeBuUL9zrLWQ:Hcydqa5t0EfZMQSeP6eeB7Rj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4848-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2984-135-0x0000000000700000-0x0000000000709000-memory.dmp family_smokeloader behavioral2/memory/4848-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4848-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2984 set thread context of 4848 2984 file.exe 79 - 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 4848 file.exe 4848 file.exe 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2708 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4848 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2984 wrote to memory of 4848 2984 file.exe 79 PID 2984 wrote to memory of 4848 2984 file.exe 79 PID 2984 wrote to memory of 4848 2984 file.exe 79 PID 2984 wrote to memory of 4848 2984 file.exe 79 PID 2984 wrote to memory of 4848 2984 file.exe 79 PID 2984 wrote to memory of 4848 2984 file.exe 79
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:2984 -
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:4848
-