Analysis
- max time kernel
151s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
11/02/2023, 11:53
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 378KB
- Sample230211-n2axsabf89
- SHA256 c3a94e02fa9adeba6347f8ebc770b0b82395485fef662e71a7dcd11f2e11fa01
- MD5 d01e310f01d0f2f29ca6eb0c009d0d07
- SHA1 eb2dea402aa13e67a81092c4dcad9d518ff322b0
- SHA512 bc3259a9055101a74cd50e5268bc9e25dd0719bf1e16994b857e1e71b938aeb5abe9a44f0f39e866f8dc357bdcab5b40bd24f6cfa1ae10f714b5054ef8ccf163
- SSDEEP 6144:nBkXRj/KdNciKPfSv8uUpnv6AK/l9dKlTRTV22dF:BkdBSUpnS59wJRpHdF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2436-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5016-135-0x0000000000750000-0x0000000000759000-memory.dmp family_smokeloader behavioral2/memory/2436-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2436-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5016 set thread context of 2436 5016 file.exe 81 - 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 2436 file.exe 2436 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2436 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5016 wrote to memory of 2436 5016 file.exe 81 PID 5016 wrote to memory of 2436 5016 file.exe 81 PID 5016 wrote to memory of 2436 5016 file.exe 81 PID 5016 wrote to memory of 2436 5016 file.exe 81 PID 5016 wrote to memory of 2436 5016 file.exe 81 PID 5016 wrote to memory of 2436 5016 file.exe 81
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:5016 -
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:2436
-