Analysis
- max time kernel
151s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 16:20
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 329KB
- Sample221215-ts35vscg69
- SHA256 31b37e5d8a177454e488d85fa635f446878a43617d2658759d90548bdc3e403c
- MD5 f4b13ff5f6d5af7ae828a1fa723eb9fb
- SHA1 6953816a1d57c58cd63aba0ac7bdadb8f5b68031
- SHA512 06ae2f24b2c4dcad9d4f7ecc86e4eea05e0de2056413b737082931f80598d130b7d10b074410928828eec646dc2afd541abb1ebde67e52157d01f876c128815e
- SSDEEP 6144:zYpSLfcLeeRWugVak1uLf3h0isvzpQ6ijLxQFiaIN:57cLeeRD0ETRxqzpQ6ijqF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2584-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3916-135-0x0000000000510000-0x0000000000519000-memory.dmp family_smokeloader behavioral2/memory/2584-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2584-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3916 set thread context of 2584 3916 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 2584 file.exe 2584 file.exe 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2584 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3916 wrote to memory of 2584 3916 file.exe 79 PID 3916 wrote to memory of 2584 3916 file.exe 79 PID 3916 wrote to memory of 2584 3916 file.exe 79 PID 3916 wrote to memory of 2584 3916 file.exe 79 PID 3916 wrote to memory of 2584 3916 file.exe 79 PID 3916 wrote to memory of 2584 3916 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:3916 -
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:2584
-