Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2023, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 322KB
- Sample230109-zapgmsff66
- SHA256 ffc6ecdf8bbe3a19f1a9975d95cc1cf4da24cbb5f78f669a50d616a1fad396bf
- MD5 9a6a97927d89216d2270002eedbd7c30
- SHA1 f0165d2650a4886e80002dd628dfde0b8a9cc349
- SHA512 b46022732ebc3372e0717fea09c62384d39ced473895a22178fcaeaea80c7ef3a15fab306d93c6210cd8cc24646809e1174be175efadff6aee3b19875a9a2cd8
- SSDEEP 3072:2XOghL/OpifvTzTo5uWrthikthshnh1Y+qG+zl4aUyc4lZzkuWdjJrhtiw5cy9VX:eP/OcHT/W5hiGhl+qGvNGwTHj7vmf/e
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral2/memory/2968-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2968-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4808-135-0x0000000000570000-0x0000000000579000-memory.dmp family_smokeloader behavioral2/memory/2968-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2968-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4808 set thread context of 2968 4808 file.exe 83 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2968 file.exe 2968 file.exe 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2752 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2968 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4808 wrote to memory of 2968 4808 file.exe 83 PID 4808 wrote to memory of 2968 4808 file.exe 83 PID 4808 wrote to memory of 2968 4808 file.exe 83 PID 4808 wrote to memory of 2968 4808 file.exe 83 PID 4808 wrote to memory of 2968 4808 file.exe 83 PID 4808 wrote to memory of 2968 4808 file.exe 83
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:4808 -
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:2968
-