Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/09/2022, 06:26
Static task
static1
Behavioral task
behavioral1
Sample
45a286fe05fee7482902c375871649dc.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
45a286fe05fee7482902c375871649dc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 45a286fe05fee7482902c375871649dc.exe
- Size 304KB
- Sample220911-g67c8abah2
- SHA256 9c1851c7a73c2b45a8d1de07418ca73ebc6a4d2ea6e5386b5261acee457a0ccc
- MD5 45a286fe05fee7482902c375871649dc
- SHA1 5ad0482e11bfeb4c14d8558989b9cf64d07d6c21
- SHA512 a90b619ca84943c5cf412bc208490753b8c8cd0de3db058256a0b3fa73cb7c1865db6746f510ffa3cf50bd1f100b4834b0f67a1d41e93e843b29b5b0a23faa74
- SSDEEP 6144:8rA3iDJUC556+aWWd0kMcunDPU4E/Og8JSVx3/:8ocUC55haWWd0kOnDAONJS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5012-133-0x0000000000980000-0x0000000000989000-memory.dmp family_smokeloader behavioral2/memory/4548-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4548-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4548-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5012 set thread context of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 - 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 45a286fe05fee7482902c375871649dc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45a286fe05fee7482902c375871649dc.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45a286fe05fee7482902c375871649dc.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4548 45a286fe05fee7482902c375871649dc.exe 4548 45a286fe05fee7482902c375871649dc.exe 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 684 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4548 45a286fe05fee7482902c375871649dc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87 PID 5012 wrote to memory of 4548 5012 45a286fe05fee7482902c375871649dc.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\45a286fe05fee7482902c375871649dc.exe"C:\Users\Admin\AppData\Local\Temp\45a286fe05fee7482902c375871649dc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Users\Admin\AppData\Local\Temp\45a286fe05fee7482902c375871649dc.exe"C:\Users\Admin\AppData\Local\Temp\45a286fe05fee7482902c375871649dc.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4548
-