Analysis
- max time kernel
157s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/02/2023, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 386KB
- Sample230210-zmlaracd66
- SHA256 cf5585c64907307b1467d74edae81156428e714eccdd8095f90ed4364d59d681
- MD5 6107575e1d9c56c520f4eb7077813ee6
- SHA1 d482fe265dea5d1f87f9c3511df3861727f9ca98
- SHA512 e125689b4c114a6b512b180768ff4f2c691d61b2a222e409cc09abe3802cbb0c3926ff0a552c99abc6261df6b794013307b471060fc1985e8b17b04a4dbf24c9
- SSDEEP 3072:2r/rc4M0h55xdOGHccAWrDPMHlunt4kez5Lg9nf6NORR92UU7:wf9rOKHnMHlut4kIYnfWOR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4804-133-0x0000000002200000-0x0000000002209000-memory.dmp family_smokeloader behavioral2/memory/4248-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4248-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4248-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 4248 4804 file.exe 80 - 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 4248 file.exe 4248 file.exe 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4248 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4804 wrote to memory of 4248 4804 file.exe 80 PID 4804 wrote to memory of 4248 4804 file.exe 80 PID 4804 wrote to memory of 4248 4804 file.exe 80 PID 4804 wrote to memory of 4248 4804 file.exe 80 PID 4804 wrote to memory of 4248 4804 file.exe 80 PID 4804 wrote to memory of 4248 4804 file.exe 80
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:4804 -
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:4248
-