Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
02/01/2023, 00:03
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 240KB
- Sample230102-ab1tmada83
- SHA256 b298f2eb67523cc16e6af2279e55bea89d661a0961067180a3b9e07aeb189af1
- MD5 cf60e02d4bc05ef2277152b86972eee5
- SHA1 506a685b37f565e1b4737ca5cdfcc0e781c0c140
- SHA512 d02d315f437bd4456c6e4c895f5c3520abff5897dcf1d9b4aef1a021f6c883467e91b4bfacbb9ea5702a8d052410e1528ba845c84f16e20048c3109ffcdba89e
- SSDEEP 3072:7XcryvLhoYByA5xKGKQuSzXDuyQ/wiMmmWkUr+oth9M2nvQGW7iSWO:TLL1yYKG3X+/NhtrV4b7i
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1760-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1284-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1760-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1760-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1760-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1284 set thread context of 1760 1284 file.exe 28 - 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 1760 file.exe 1760 file.exe 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found 1296 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1296 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1760 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28 PID 1284 wrote to memory of 1760 1284 file.exe 28
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:1284 -
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:1760
-