Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
18/01/2023, 03:28
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 271KB
- Sample230118-d1cd4sdb6x
- SHA256 87e8c18a213d3b7fde1d8ea0a66359b9755554b23dcc2cf7604f4c24920b35e6
- MD5 581e8618104860fe68c15c55b1fcb9c2
- SHA1 a087acad6d6944ff29237af20af97fdd9f4b93a7
- SHA512 6f5dbfb3a75f78f7eaf09ce04f44e1e368ead1257c5c80e5f0b0a27dbd9110efae26ef0a2398cebb78b13f24c56e14c77d8bf3f8b0dd7a1a23cda088e0fa2566
- SSDEEP 3072:lX302CrNtsui9+p5HLcVhCkXzNLVQnqSIr4VPvB9a4m0TAt4qndE8SUlutGm:hloc99+XcrCkhVQqSIrUPPaZ0T+LdKt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1728-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1728-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1700-58-0x0000000000230000-0x0000000000239000-memory.dmp family_smokeloader behavioral1/memory/1728-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1728-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1700 set thread context of 1728 1700 file.exe 28 - 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 1728 file.exe 1728 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 1728 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28 PID 1700 wrote to memory of 1728 1700 file.exe 28
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:1700 -
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:1728
-