Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
21/12/2022, 13:03
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 228KB
- Sample221221-qaccmscc82
- SHA256 cae5cca6a41e03c5a5fd3a2527e4dc121268dca12df146ece74423ffdcaf28dc
- MD5 e76c87d0635529f57d453c4cdacc4acd
- SHA1 dd5548cbbd8b7f8f0d4b652aa5898e89668d9e22
- SHA512 55952218a12c600d417d81f97a69cda596ec6de0bf968abd78bed30987efd64d259cf55b85fc13fe68705c3691f6d6544707a04d8a50bf3b187bb5acf4eae304
- SSDEEP 3072:LJqIYeDLh45m51Ed/JruwKQi6roCsW4RQLW4P84n00lcNQK1+eJV5u48:IeDLh4BruRCofmW8500leRu4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/924-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3664-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/924-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/924-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3664 set thread context of 924 3664 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 924 file.exe 924 file.exe 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 924 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3664 wrote to memory of 924 3664 file.exe 81 PID 3664 wrote to memory of 924 3664 file.exe 81 PID 3664 wrote to memory of 924 3664 file.exe 81 PID 3664 wrote to memory of 924 3664 file.exe 81 PID 3664 wrote to memory of 924 3664 file.exe 81 PID 3664 wrote to memory of 924 3664 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:3664 -
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:924
-