Analysis
- max time kernel
150s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 15:17
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
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target file.exe
- Size 328KB
- Sample221215-sn192acf62
- SHA256 474fbed6c90712dde842399b9bf197bf8dadf5e8e797495e222940eb25db3c14
- MD5 0144d321f258f16e25fda8db105b49b6
- SHA1 24f476ebf3bcc2b75a0c4e8095862b89faf649c7
- SHA512 7c8d370d2e6c25b2e885e707a81ddbd7c2e69329f31fd37ec65ab803c09248b994bf84033bdd5ec23e28cb950935686580f7a98ed18f1c5c3b0e973dfa63fa09
- SSDEEP 6144:NYMSLtYM41kNAzNGQOwgbUE7BaWiUb0isvzpQ6ijLxQFiaI:OBY51kN6LdQLumxqzpQ6ijqF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3812-133-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/2820-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2820-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2820-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3812 set thread context of 2820 3812 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 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 - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2820 file.exe 2820 file.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2820 file.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3080 Process not Found 3080 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3812 wrote to memory of 2820 3812 file.exe 82 PID 3812 wrote to memory of 2820 3812 file.exe 82 PID 3812 wrote to memory of 2820 3812 file.exe 82 PID 3812 wrote to memory of 2820 3812 file.exe 82 PID 3812 wrote to memory of 2820 3812 file.exe 82 PID 3812 wrote to memory of 2820 3812 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:3812 -
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:2820
-