Analysis
- max time kernel
161s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
12/12/2022, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 302KB
- Sample221212-b34j9sab39
- SHA256 4069c6ade9574c93e0a85fa4dc74ad065f76206470e460515b99c3dde8e98e21
- MD5 8c621a4ebb46fe43be612cc089c5a8cc
- SHA1 aed819b81a81bc6101c66ae10aa9d07f94220cdf
- SHA512 f2c9f53e00deb7e3c7f3d091af8fa87f0b072338301ea85cc9fd83d8736a83e5cfff77884aaf5ac955c698e0e2fbfa37462590c5c9443adee4f18c4be0e53529
- SSDEEP 6144:bCTLXEqFiiP4n1FxgOHFHyZ1KF4dSyertCtPd2yV:KYqwigFxjlHyrKCdgtCtg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3852-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2736-135-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/3852-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3852-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2736 set thread context of 3852 2736 file.exe 76 - 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 3852 file.exe 3852 file.exe 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 792 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3852 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2736 wrote to memory of 3852 2736 file.exe 76 PID 2736 wrote to memory of 3852 2736 file.exe 76 PID 2736 wrote to memory of 3852 2736 file.exe 76 PID 2736 wrote to memory of 3852 2736 file.exe 76 PID 2736 wrote to memory of 3852 2736 file.exe 76 PID 2736 wrote to memory of 3852 2736 file.exe 76
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:2736 -
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:3852
-