Analysis
- max time kernel
153s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/02/2023, 22:56
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 385KB
- Sample230210-2wntcahd4t
- SHA256 f7c86403c61329867282ce8ba4dcde7780ccd6e9c4da95251fca603ce4973a16
- MD5 c7d19d290e89031e469ce3ba97223c1b
- SHA1 ccd85e74253d629a0dff1805cbf145946a7d63c9
- SHA512 eacb20af828bfa28133f1e82a86bd4fb37db26fe4826b1f4b11f33c423e999da534031115c24c0b43d40105cd854ef77d2bfbe406c772299cec9c885eb1eecb9
- SSDEEP 3072:Bur5IT4MCL4p55b58Abas8gOQdmQvDskSZef9nf6N4U2++2UU1:B41iFVrbGgOqYxZUnfW4T++
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2360-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/904-135-0x0000000002200000-0x0000000002209000-memory.dmp family_smokeloader behavioral2/memory/2360-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2360-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 904 set thread context of 2360 904 file.exe 78 - 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 2360 file.exe 2360 file.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2360 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 904 wrote to memory of 2360 904 file.exe 78 PID 904 wrote to memory of 2360 904 file.exe 78 PID 904 wrote to memory of 2360 904 file.exe 78 PID 904 wrote to memory of 2360 904 file.exe 78 PID 904 wrote to memory of 2360 904 file.exe 78 PID 904 wrote to memory of 2360 904 file.exe 78
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:904 -
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:2360
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