Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2023, 00:52
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 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 239KB
- Sample230101-a73cbsba26
- SHA256 e95a0f2e9f305b8007c39408741bc7c0da2e574aa175632dcc75e05d59ac22e2
- MD5 ad841d3e93fd054856be5f0d7e0942d9
- SHA1 38b24fc70f403d24f9af06799490dafa59e8e13f
- SHA512 666933ff42e56421ae25032e0ebe86e8ee5ba521ad04825fb120768a260074b9fc3f1c03f5512a8c8d4ba5768b7a482660f1ad0bb6246eef387a5cd8ad841a80
- SSDEEP 3072:rvXJnle2LchETeRSm5+msIgBu7PiNoaaPfTksmqQy5h27hZY:bm2LXeRSPmsbw7PyoaaPfAfEcZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4476-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4944-135-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4476-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4476-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4944 set thread context of 4476 4944 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 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 4476 file.exe 4476 file.exe 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1036 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4476 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4944 wrote to memory of 4476 4944 file.exe 83 PID 4944 wrote to memory of 4476 4944 file.exe 83 PID 4944 wrote to memory of 4476 4944 file.exe 83 PID 4944 wrote to memory of 4476 4944 file.exe 83 PID 4944 wrote to memory of 4476 4944 file.exe 83 PID 4944 wrote to memory of 4476 4944 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:4944 -
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:4476
-