Analysis
- max time kernel
156s - max time network
215s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
30/11/2022, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
7 signatures
150 seconds
General
- Target file.exe
- Size 185KB
- Sample221130-1tyebshd28
- SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
- MD5 8cfe8c3d7dc06fe682ccb27080c02087
- SHA1 28bd02aa67c060e583cd4d043fa83f702929f8bc
- SHA512 d69e5db1d67b2a8ee8d4e2843d900560739c529cbcb53d3b4d0748e3d0da7a036cebbea14de094fd6a9bc4446c7f614ef22074b6ccb682febdd71e1e882bb876
- SSDEEP 3072:XXMzWHmeUB+UMn5QzW4tdJCASZNEH/KRw+6XFnS:HMGUB+kAZNa+MXFn
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 2 IoCs
resource yara_rule behavioral2/memory/2024-133-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/2024-136-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 2808 brhfwgs - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI brhfwgs Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI brhfwgs Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI brhfwgs Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2024 file.exe 2024 file.exe 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found 2680 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2680 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2024 file.exe 2808 brhfwgs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2024
-
C:\Users\Admin\AppData\Roaming\brhfwgsC:\Users\Admin\AppData\Roaming\brhfwgs1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2808
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\brhfwgs
- Size 185KB
- SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
- MD5 8cfe8c3d7dc06fe682ccb27080c02087
- SHA1 28bd02aa67c060e583cd4d043fa83f702929f8bc
- SHA512 d69e5db1d67b2a8ee8d4e2843d900560739c529cbcb53d3b4d0748e3d0da7a036cebbea14de094fd6a9bc4446c7f614ef22074b6ccb682febdd71e1e882bb876
- SSDEEP 3072:XXMzWHmeUB+UMn5QzW4tdJCASZNEH/KRw+6XFnS:HMGUB+kAZNa+MXFn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\brhfwgs
- Size 185KB
- SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
- MD5 8cfe8c3d7dc06fe682ccb27080c02087
- SHA1 28bd02aa67c060e583cd4d043fa83f702929f8bc
- SHA512 d69e5db1d67b2a8ee8d4e2843d900560739c529cbcb53d3b4d0748e3d0da7a036cebbea14de094fd6a9bc4446c7f614ef22074b6ccb682febdd71e1e882bb876
- SSDEEP 3072:XXMzWHmeUB+UMn5QzW4tdJCASZNEH/KRw+6XFnS:HMGUB+kAZNa+MXFn
- MD5 SHA1 SHA512 SSDEEP