Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
23/12/2022, 01:53
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 317KB
- Sample221223-cazlaaff48
- SHA256 08be23cebdc53d9ecc6aa253aa0bce787af7d4739716a749d8242cc07c8354e5
- MD5 0f7d368efd9ab809afe6a19b67e25404
- SHA1 bcd5d7e92b1959ae79234013ee878bb066568ac2
- SHA512 80c99b3a7ee9d291d66a898f57f0f23d69b47a3fa81bd91e546116e1ab806f0a9e2cee5aad13b5641c3d184b93ee1e2b9c89242490f9f32243663b8e745b6e6b
- SSDEEP 6144:OHLhWaybXfl5ect30099T9rb+RR0cSpQTtyzsduHNIv:OHdWay7lQk0ATh6RR0TCtyYduHNI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3764-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2796-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/3764-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3764-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2796 set thread context of 3764 2796 file.exe 82 - 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 3764 file.exe 3764 file.exe 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2732 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3764 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2796 wrote to memory of 3764 2796 file.exe 82 PID 2796 wrote to memory of 3764 2796 file.exe 82 PID 2796 wrote to memory of 3764 2796 file.exe 82 PID 2796 wrote to memory of 3764 2796 file.exe 82 PID 2796 wrote to memory of 3764 2796 file.exe 82 PID 2796 wrote to memory of 3764 2796 file.exe 82
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:2796 -
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:3764
-