Analysis
- max time kernel
151s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
18/01/2023, 02:27
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 271KB
- Sample230118-cxevdsfg87
- SHA256 40d41131b30ce7536a13b2dee1f941ecd2df711fc532026fc915fdc0ff3843ef
- MD5 5a6a80fea4f37ebfead776959949724c
- SHA1 174ab95df754aac6f4fb48563b60d1c428a011a1
- SHA512 a21b4ab1529bbef17a1220054a84f3cb9680168fed5e462e828df8c793667e2b1a01b9c89287a2475fb96520c8b6bde48f65572a20753e7abc47c6f764b170a5
- SSDEEP 3072:oX31oxHQw2dh5OTkb9y1s6o03TjZfY2dtt4qndE8SUlutGm:8SxQdqIbqBvBfLdKt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3876-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/400-135-0x0000000002F40000-0x0000000002F49000-memory.dmp family_smokeloader behavioral2/memory/3876-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3876-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 400 set thread context of 3876 400 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 3876 file.exe 3876 file.exe 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2440 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3876 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 400 wrote to memory of 3876 400 file.exe 82 PID 400 wrote to memory of 3876 400 file.exe 82 PID 400 wrote to memory of 3876 400 file.exe 82 PID 400 wrote to memory of 3876 400 file.exe 82 PID 400 wrote to memory of 3876 400 file.exe 82 PID 400 wrote to memory of 3876 400 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:400 -
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:3876
-