Analysis
- max time kernel
301s - max time network
363s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/02/2023, 04:34
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 386KB
- Sample230211-e64k8adg8w
- SHA256 01f17bcb1131cea5bf9c9a0fbabe87a76313d4568078cd33e15f47e13fc7665a
- MD5 12a11c508ed274ba0b4dd4f1e500b612
- SHA1 0a0cb5ebd04e3f0e1182039ee9c1404f9cf3a70b
- SHA512 6f8c4e0ff6338d3abea6f8d0322dedfec7b3b4dbb19c752fcdf042eacfa1d7d7a54a571b54a007668822980b98a95103b175fe59d1234fa173e9aa5346bf2ff0
- SSDEEP 6144:kNdNpvgVYbPLwaKiNFjv118srwOMdkTi9DZt5d:k3bPw58v11VMdk
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4228-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4336-136-0x00000000008F0000-0x00000000008F9000-memory.dmp family_smokeloader behavioral2/memory/4228-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4228-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4336 set thread context of 4228 4336 file.exe 78 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4228 file.exe 4228 file.exe 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1056 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4228 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4336 wrote to memory of 4228 4336 file.exe 78 PID 4336 wrote to memory of 4228 4336 file.exe 78 PID 4336 wrote to memory of 4228 4336 file.exe 78 PID 4336 wrote to memory of 4228 4336 file.exe 78 PID 4336 wrote to memory of 4228 4336 file.exe 78 PID 4336 wrote to memory of 4228 4336 file.exe 78
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:4336 -
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:4228
-