Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
14/01/2023, 06:03
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 260KB
- Sample230114-gr2jesee91
- SHA256 f71be3d9a11d45f48c96c8b482203503c4de2444fa9c7f541f6a42982c024592
- MD5 b4435073c260224ed4211a3936b95c0f
- SHA1 7314ffae5a9ee32f09ae77b20af0c35b643db192
- SHA512 99cac6772997d15083868ea431054f5d04a4f2473920fe467eaf1bd052c1c2d51f7207ae1131ea5216351d3554807cc17b335130d614951ab7371f81f86e2e08
- SSDEEP 3072:VXZKtAw05Ohxp8JefdsZe7EtuBcI+sxfapb8pBI8jwWRjoV:R7wNJWef0eQtcf+bpgpRjFE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4984-134-0x0000000002D70000-0x0000000002D79000-memory.dmp family_smokeloader behavioral2/memory/4896-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4896-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4896-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4984 set thread context of 4896 4984 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4896 file.exe 4896 file.exe 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2620 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4896 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4984 wrote to memory of 4896 4984 file.exe 81 PID 4984 wrote to memory of 4896 4984 file.exe 81 PID 4984 wrote to memory of 4896 4984 file.exe 81 PID 4984 wrote to memory of 4896 4984 file.exe 81 PID 4984 wrote to memory of 4896 4984 file.exe 81 PID 4984 wrote to memory of 4896 4984 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:4984 -
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:4896
-