Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2022, 18:17
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 216KB
- Sample221220-ww16saae79
- SHA256 8fb03687976a80f00e8e495c7de9a908ce4b8a9e0f65a50b222a7e73a4d9dda9
- MD5 945db72ad5602bdb04afb6016e8cae9d
- SHA1 6b2d8d47a168c2d2942c594149693699c224d010
- SHA512 c1159ede59f220f3e9655dc19371a19d21ea35528011ab4620c4ddb2cd54d978c947061cd83a8aa4c8978422c8199225b8df16c443e8fe18572dcfdf00d1f7ba
- SSDEEP 3072:hkT/LToV50DRktZf2i0PIYc7IPMECu7b/FxRwFBSkNHCDml:27LTlRk7B0GIkzmtQ7SWCa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1676-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1296-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/1676-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1676-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1296 set thread context of 1676 1296 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 1676 file.exe 1676 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1676 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1296 wrote to memory of 1676 1296 file.exe 81 PID 1296 wrote to memory of 1676 1296 file.exe 81 PID 1296 wrote to memory of 1676 1296 file.exe 81 PID 1296 wrote to memory of 1676 1296 file.exe 81 PID 1296 wrote to memory of 1676 1296 file.exe 81 PID 1296 wrote to memory of 1676 1296 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:1296 -
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:1676
-