Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/01/2023, 02:00
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 321KB
- Sample230112-ce1ddaag8v
- SHA256 4a19e146ebc366aa46b5f94c1c27c8469cbbb39882ddb13b22c827ed30cc8a89
- MD5 9a2069b9fc135d3861a8612cb49e4101
- SHA1 30de675436495756d9f85d7ae129a8a2423108a9
- SHA512 24f794eecd7c7c04a4b70916c5d23a0a502a4766166cb1c47088e093c50b1754ea76b1c7ec28d1e17bffa3a9905b085220ef3c42d5b7c374e541521028b907b0
- SSDEEP 3072:HXOmZSqT/oLBFK5e7rfKSElv+Dp1ZHUtxYOAiUy+dF8M/WhJsh6VhXBKmZQs:3Y8oF5yS+qTZHUtz8dO6W0g
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4156-133-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/3192-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3192-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3192-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4156 set thread context of 3192 4156 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 3192 file.exe 3192 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 3192 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4156 wrote to memory of 3192 4156 file.exe 81 PID 4156 wrote to memory of 3192 4156 file.exe 81 PID 4156 wrote to memory of 3192 4156 file.exe 81 PID 4156 wrote to memory of 3192 4156 file.exe 81 PID 4156 wrote to memory of 3192 4156 file.exe 81 PID 4156 wrote to memory of 3192 4156 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:4156 -
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:3192
-