Analysis
- max time kernel
155s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
06/01/2023, 13:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
8 signatures
150 seconds
General
- Target file.exe
- Size 312KB
- Sample230106-p9scgagc44
- SHA256 a68d5422bb61e2b4251067c62ea2a8242580253e48b80e8a4eee56cf82df35c5
- MD5 396458db187c36280d94732658baed02
- SHA1 c78de3f0f92b1e15b0ea6659d0148096465c510d
- SHA512 965f5bcecee74d611f6fa46b4e3ad26c62c799cb2e67ebeef05dbd3d98508a0501dc5ab1ddc84a1ca6ac9477422a03e61fe6eff9925c990226280ed9d578ca94
- SSDEEP 3072:/zXVqLP0il8qM5Wf3YylNrRR67q7gk/id6d8uep9+dPOK5twsUTEJwVCaSzdeO:T8LPXl33YqNrdEk8yQWdWKQFEOor
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4480-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2372-135-0x0000000002F90000-0x0000000002F99000-memory.dmp family_smokeloader behavioral2/memory/4480-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4480-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2372 set thread context of 4480 2372 file.exe 85 - 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 4480 file.exe 4480 file.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4480 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2372 wrote to memory of 4480 2372 file.exe 85 PID 2372 wrote to memory of 4480 2372 file.exe 85 PID 2372 wrote to memory of 4480 2372 file.exe 85 PID 2372 wrote to memory of 4480 2372 file.exe 85 PID 2372 wrote to memory of 4480 2372 file.exe 85 PID 2372 wrote to memory of 4480 2372 file.exe 85
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:2372 -
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:4480
-