Analysis
- max time kernel
152s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
30/01/2023, 03:40
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 298KB
- Sample230130-d77tlahc2w
- SHA256 437456ed941d4e08f87e2601a4ec19940e6b08e65ecafcf98e23d6bad56c6be6
- MD5 1dd98a9149f964462bf3088d529f937a
- SHA1 29d8405245caed4ca0e69639c0633db265ab22ea
- SHA512 d62c798316ddec8ed835e4ea7397b05134ddc5f0741063f6c6dda441306e7390bebfece1212e61dd56a81b36f47ce8a0d193733a38435a45d1be6153265ee480
- SSDEEP 3072:0D0lLWlXRGKRlr+D042bQIIQv8cQsOL8XAw2cea9MR4PDrOPSjsKcusrvp:M0lLIAU42EIIM8OO3meEWajk7
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4804-133-0x0000000000700000-0x0000000000709000-memory.dmp family_smokeloader behavioral2/memory/2320-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2320-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2320-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 2320 4804 file.exe 82 - 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 2320 file.exe 2320 file.exe 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2520 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2320 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4804 wrote to memory of 2320 4804 file.exe 82 PID 4804 wrote to memory of 2320 4804 file.exe 82 PID 4804 wrote to memory of 2320 4804 file.exe 82 PID 4804 wrote to memory of 2320 4804 file.exe 82 PID 4804 wrote to memory of 2320 4804 file.exe 82 PID 4804 wrote to memory of 2320 4804 file.exe 82
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:4804 -
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:2320
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